General Math Forum

Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.

Threads

Marbles & Stamps: How Many Did Casey Buy?

  • wailingkoh
  • · Replies 1 ·
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1

Solving for Rita's Salary Using Proportions

  • wailingkoh
  • · Replies 6 ·
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6

Do you use two lines (of ruled paper) for a rational functio

  • jaysquestions
  • · Replies 7 ·
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7

25 x 25 Grid, find how many shaded squares

  • Marcelo Arevalo
  • · Replies 4 ·
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4

Solve June's Problem: Monthly Allowance of \$290?

  • wailingkoh
  • · Replies 4 ·
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4

Undergrad What is the inverse function of x + sin x ?

  • arpon
  • · Replies 2 ·
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2

Find al the four-digit numbers ABCD

  • anemone
  • · Replies 4 ·
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4

How this exponent expression is reduced

  • Sabeel
  • · Replies 3 ·
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3

Undergrad Checking if f(x)=g(x)+h(x) is onto

  • Titan97
  • · Replies 11 ·
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11

Triangle Questions: Get Expert Advice Now

  • wailingkoh
  • · Replies 9 ·
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9

High School What does 2f(x) mean, in words?

  • jaysquestions
  • · Replies 16 ·
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16

High School Understanding 0: How Maths Rules Changed Through Time

  • Stephanus
  • · Replies 13 ·
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13

Solving 2 Watches with 12 Hour Cycle Problem

  • Marcelo Arevalo
  • · Replies 3 ·
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3

Undergrad When does quartic have only one real solution?

  • Gerenuk
  • · Replies 20 ·
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20

Find Solution for Polar to Rectangular Equation

  • karush
  • · Replies 3 ·
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3

Prove an expression is rational

  • anemone
  • · Replies 1 ·
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1

Undergrad A solvable polynomial with no factors?

  • Bill_Nye_Fan
  • · Replies 5 ·
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5

How can we prove $|Cx^2+Bx+A|\le 2$ for the given condition?

  • anemone
  • · Replies 4 ·
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4

High School Multiplying mass as kg and grams= 2 different results?

  • christian0710
  • · Replies 3 ·
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3

Undergrad Computational and reasoning skills don't always coexist?

  • annoyinggirl
  • · Replies 6 ·
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6

Graduate How Does the Gamma Function Simplify to 'z' in the Limit?

  • Muthumanimaran
  • · Replies 7 ·
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7

Undergrad How do I simplify this expression with a floor function?

  • japplepie
  • · Replies 11 ·
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11
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3

Undergrad Find point on XYZ line with Distance

  • fallingdog
  • · Replies 2 ·
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2

Undergrad "Proving" that definitions "work"

  • Mirero
  • · Replies 6 ·
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6

Prove Multiples of 2003 are Divisible by 2003

  • Albert1
  • · Replies 2 ·
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2

Weight of Water on 180ft x 40ft Roof: Help Needed!

  • xerxies
  • · Replies 4 ·
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4

Graduate Volume of tetrahedron with 5 vertices

  • Ravindraji4
  • · Replies 4 ·
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4

Undergrad Convex polyhedron - average of vertices inside polyhedron?

  • pyroknife
  • · Replies 7 ·
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7

Min Value of $\dfrac{x}{y}-\dfrac{123}{2014}$: $\dfrac{1}{3792362}$

  • anemone
  • · Replies 2 ·
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2

High School Systems of Equations: What's your favorite way to solve them?

  • JR Sauerland
  • · Replies 33 ·
2
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33

High School How Many Extra Biscuits Did I Eat?

  • julian
  • · Replies 20 ·
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20

High School Does it matter where we put i?

  • JR Sauerland
  • · Replies 7 ·
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7

Undergrad Locus of points making an ellipse

  • fireflies
  • · Replies 8 ·
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8

Undergrad Why is sinh-1(x) not equal to 1/sinh(x)?

  • Stephanus
  • · Replies 18 ·
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18

High School Leave the fraction alone, or make it a mixed number?

  • JR Sauerland
  • · Replies 5 ·
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5

Undergrad Analyzing the coefficients of the quadratic equation

  • Bruno Tolentino
  • · Replies 2 ·
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2

Undergrad Sine/cosine function and polynomial function

  • Bruno Tolentino
  • · Replies 2 ·
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2

Inequality Proof: $\dfrac{2015}{(k+1)(k+4030)}<\dfrac{1}{k+1}$

  • anemone
  • · Replies 2 ·
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2

What is the quadratic trig identity for cosine when simplified?

  • karush
  • · Replies 4 ·
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4

Simplifying a Trigonometric Expression

  • karush
  • · Replies 5 ·
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5

High School Angle of Elevation and Depression

  • hiineko
  • · Replies 9 ·
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9

Can the following be solved algebraically?

  • Bushy
  • · Replies 1 ·
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1

Find Remainder of $2^{100}-1$ Divided by 1000

  • Amad27
  • · Replies 1 ·
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1

High School Is there something I'm missing about this unit circle thing...?

  • JR Sauerland
  • · Replies 13 ·
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13

Mathopolis: Transforming Function Qs

  • caligari
  • · Replies 1 ·
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1

Solve for $a+b+c$: Equation System ($a,b,c\in N$)

  • Albert1
  • · Replies 1 ·
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1

Undergrad How Do 3D Coordinates and Radii Affect Vector Paths Between Points?

  • ckirmser
  • · Replies 8 ·
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8

Undergrad Can Greedy Pirates Outsmart Each Other? Find Out!

  • Raghav Gupta
  • · Replies 16 ·
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16

High School Theory behind long division method

  • Anukriti C.
  • · Replies 5 ·
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5

High School Question about dividing this fraction

  • JR Sauerland
  • · Replies 8 ·
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8

Undergrad How Does Adding π/2 Affect the Sign of Tan and Cot in Trigonometry?

  • takando12
  • · Replies 5 ·
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5

Roots of Equations & Sum of Inverses: $a=1,2,3,\dots,2011$

  • Albert1
  • · Replies 3 ·
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3

Solving for n: 4 Divisors & n+1 Formula

  • Albert1
  • · Replies 2 ·
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2

Graduate What is the situation of relational algebra?

  • OppenheimerBohr
  • · Replies 3 ·
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3

High School How to Solve for Y in the Equation X = Y%Z?

  • Superposed_Cat
  • · Replies 4 ·
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4

High School Why do I have to flip the equation in this problem?

  • JR Sauerland
  • · Replies 7 ·
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7

Graduate Is Mathematics a Belief System?

  • EmiEmi
  • · Replies 22 ·
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22

Undergrad Getting a triangle from trigonometric function

  • enter
  • · Replies 7 ·
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7

How Do Circles and Parallel Lines Interact in Geometry?

  • wailingkoh
  • · Replies 5 ·
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5

Undergrad Help me "see" how to factor this dinomial

  • AcousticBruce
  • · Replies 28 ·
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28

High School I'm having a lot of trouble with similar triangles

  • JR Sauerland
  • · Replies 7 ·
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7

Prime Versus Irreducible Numbers

  • Panda1
  • · Replies 1 ·
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1

Can someone give a simple explanation of quadratic residues?

  • Terry1
  • · Replies 3 ·
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3

Graduate Money per person and 2nd generation

  • caters
  • · Replies 3 ·
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3

Can triangles with the same side lengths have different angles?

  • akarikairi
  • · Replies 2 ·
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2
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2

Undergrad Alternative path to taking roots of both sides of equation

  • ArmanZ
  • · Replies 8 ·
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8

Undergrad Is this exam question really too difficult?

  • sk1105
  • · Replies 33 ·
2
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33

What is the minimum value of $f(x)$ with positive real numbers $p,q,r$?

  • anemone
  • · Replies 2 ·
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2

How Can Pell's Equation Enhance Elementary Number Theory?

  • matqkks
  • · Replies 1 ·
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1

Undergrad What is the coefficient of the second order term in this polynomial expression?

  • avikarto
  • · Replies 14 ·
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14

Undergrad How Can You Prove the Scalar Product of Two Lines Geometrically?

  • Karol
  • · Replies 9 ·
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9

History of Sum of Squares: Pythagoras & Beyond

  • Amer
  • · Replies 1 ·
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1

Who are the Top Mathematicians of All Time?

  • xionc
  • · Replies 44 ·
2
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44

Graduate What is the Lagrangian and how is it used in physics?

  • Justice Hunter
  • · Replies 7 ·
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7

High School Is first grade math just memorization?

  • annoyinggirl
  • · Replies 3 ·
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3

Undergrad What was the estimated speed of a vehicle that struck me?

  • Roxanne Thomson
  • · Replies 2 ·
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2

Undergrad Re-scaling Functions under the Same Axes

  • ecastro
  • · Replies 5 ·
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5

High School Squaring both sides of equation and inequality?

  • ArmanZ
  • · Replies 8 ·
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8

Graduate What is the Stirling transform of (k-1)?

  • Cristopher
  • · Replies 1 ·
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1

Undergrad Consecutive Whole Numbers: x + y = y2 - x2

  • Dennis Plews
  • · Replies 2 ·
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2

Do Math Majors Need Drawing Skills? - An Exploration of Spatial IQ

  • oahz
  • · Replies 11 ·
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11

Graduate Polynomial system of 6 variables

  • Bruno Tolentino
  • · Replies 6 ·
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6

High School Why Do We Add Zeroes When Calculating the LCM and HCF of Decimals?

  • Fiona Rozario
  • · Replies 8 ·
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8

Undergrad Resources: Notes/ videos to sketch better geometric figures.

  • MidgetDwarf
  • · Replies 1 ·
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1

Undergrad Determining depth & volume relationship with bathymetry data

  • Jannie
  • · Replies 6 ·
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6

Undergrad Why is the int() function giving a different output for int(logBASE(512,2))?

  • 24forChromium
  • · Replies 11 ·
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11

Proving the integer that p is even and its square is even as well

  • cbarker1
  • · Replies 3 ·
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3

Trigonometry Challenge (Find x)

  • anemone
  • · Replies 2 ·
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2

Undergrad How to calculate vehicle speed?

  • ramdas
  • · Replies 7 ·
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7

Undergrad Cool Pool Game with an Elliptical Table

  • jedishrfu
  • · Replies 4 ·
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4

Find $\frac{a}{b}$ in the Circle of Balls

  • maxkor
  • · Replies 5 ·
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5

Undergrad How Do I Correctly Calculate Sensor Offset Conversion?

  • rocketman46
  • · Replies 2 ·
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2

Evaluate Inverse of Hi M.H.B.: Math Problem

  • anemone
  • · Replies 3 ·
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3

Undergrad How can Pell's equation be effectively introduced in elementary number theory?

  • matqkks
  • · Replies 1 ·
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1

Undergrad Understanding Hyperbolas: When Objects Move Horizontally

  • thecosmos123456
  • · Replies 6 ·
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6
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1

Solve Factoring Problem: (x+y)^2+2(X+Y)+1

  • caligari
  • · Replies 2 ·
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2

Undergrad Rotating Wheels and Point Line-up

  • r731
  • · Replies 3 ·
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3