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

How Does the Incenter Position Relate to Triangle Side Lengths?

  • Albert1
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Therefore, the solution set is $\boxed{ \left[ -4, 2 \right] }$.

  • tmt1
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High School What Does Ept Mean in Equations?

  • x BlueRobot
  • · Replies 1 ·
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What Does Function Composition Mean in Mathematics?

  • tmt1
  • · Replies 2 ·
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2

Solve for k in System of Equations

  • wonguyen1995
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3

*find eq of perpendicular line so that the area of the triangle is 8

  • karush
  • · Replies 3 ·
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3

Solving Enthalpy Questions: Calculating Heat Change in a Coffee-Cup Calorimeter

  • eleventhxhour
  • · Replies 3 ·
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3

Determining similarity of plane figures

  • MathIsHard123
  • · Replies 4 ·
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4

Proving $a^b+b^a > 1$ for Positive Real $a,b$

  • anemone
  • · Replies 15 ·
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15

Next integer in this sequence, Challenge

  • RLBrown
  • · Replies 1 ·
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1

Undergrad Weird unconventional geometry problem

  • Jarfi
  • · Replies 1 ·
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1

High School What is wrong with my reasoning here?

  • mpatryluk
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4
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Finding production level to meet demand

  • cfleischer
  • · Replies 1 ·
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1

Graduate Relationship between constructibility of reg. polygons and cot(pi/N)

  • ellipsis
  • · Replies 1 ·
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1

Undergrad A question on palindromic primes

  • Char. Limit
  • · Replies 2 ·
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2

Is Fermat's Last Theorem Solvable for n=4 Using Pythagorean Triples?

  • mente oscura
  • · Replies 4 ·
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4

What is the percent magnification of the microscope?

  • curtis2929
  • · Replies 4 ·
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4

When to use q = mc∆T versus ∆H = n∆Hx?

  • eleventhxhour
  • · Replies 4 ·
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4

Find Polynomial Q(x): Remainder -1 & 1

  • anemone
  • · Replies 1 ·
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1
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1

Proving $f(-k)<-k$ when $f(k)<k$

  • anemone
  • · Replies 1 ·
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Undergrad Problem about arithmetic progression

  • Augustus58
  • · Replies 3 ·
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3

Undergrad How to Refresh Euclidean Geometry and Prepare for Advanced Topics?

  • Waxterzz
  • · Replies 2 ·
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2

Graduate Is there a "binomial" theorem for super exp or tetration?

  • japplepie
  • · Replies 1 ·
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Partial fraction decomposition of $\frac{4x^2y}{(x^2-2xy+2y^2)(x^2+2xy+2y^2)}$

  • Drain Brain
  • · Replies 4 ·
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4

Electrostatic self-potential energy

  • jacobi1
  • · Replies 1 ·
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1

How to calculate with two unknowns

  • headbang
  • · Replies 4 ·
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4

High School Is there a forum for weekly engineering math challenges?

  • Office_Shredder
  • · Replies 5 ·
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5

Undergrad How to find a polynomial from an algebraic number?

  • guysensei1
  • · Replies 5 ·
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5

Solving Square Root Questions: A Math Tutorial for Beginners

  • OMGMathPLS
  • · Replies 8 ·
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8

Compute $a_{1996}$ for $\prod_{k=1}^{1996} (1+kx^{3^k})$

  • anemone
  • · Replies 3 ·
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3

Undergrad What Is It Like to Be a Math Major?

  • MostlyHarmless
  • · Replies 2 ·
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2

Undergrad Doing undergraduate math exercises mentally

  • Constantinos
  • · Replies 9 ·
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9

High School Can IQ Determine Success in the Math Olympiad?

  • roya-s
  • · Replies 32 ·
2
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32

Zeros of reciprocal functions and transformed

  • Amad27
  • · Replies 5 ·
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5
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2

Find the area of the quadrilateral PQRS

  • anemone
  • · Replies 4 ·
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4

How many digits can you accurately reverse?

  • oahz
  • · Replies 2 ·
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2

Show that x+y+z≥√[((x+1)(y+2)(z+2))/(3)]

  • anemone
  • · Replies 4 ·
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4

Understanding Quadratic Equations: Solving for x

  • headbang
  • · Replies 4 ·
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4

High School How do I get good at geometry?

  • fabrc
  • · Replies 4 ·
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4

Determine if a function is a polynomial

  • datafiend
  • · Replies 6 ·
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6

Prove That If $a$ Divides Fibonacci $F_n$ For Every $d \geq 1$

  • Grupax
  • · Replies 1 ·
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High School Exponentiation Basics: Convert -ve Indices to +ve

  • Raabi
  • · Replies 4 ·
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4

Can a Triangle with Prime Number Sides Have a Whole Number Area?

  • kaliprasad
  • · Replies 2 ·
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Simplifying by combining terms

  • headbang
  • · Replies 5 ·
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5

Did I Simplify These Precalculus Problems Correctly?

  • MaximumPhysics
  • · Replies 1 ·
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Is a fractal always a predictable pattern?

  • OMGMathPLS
  • · Replies 5 ·
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5

Undergrad Is (ab = ac) = (b = c) for all values a?

  • CuriousBanker
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How Do You Correctly Round Decimals for Econ Homework?

  • ineedhelpnow
  • · Replies 8 ·
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8

Solve Equation: \frac{x}{2}+3=\frac{x+2}{3}-x

  • headbang
  • · Replies 7 ·
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7

Undergrad Can Someone Teach Me How to Prove Theorems?

  • Jamey
  • · Replies 4 ·
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4

High School Equation of a Parabola: Can Any Point on the Graph Satisfy the General Equation?

  • kevinshen18
  • · Replies 5 ·
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5

List all values of x for which each rational expression is undefined.

  • OMGMathPLS
  • · Replies 20 ·
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High School Measuring pressure of water tank

  • PA3040
  • · Replies 11 ·
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11

Fraction Question: How to Solve 1/6(3/4x-2)=-1/5?

  • OMGMathPLS
  • · Replies 10 ·
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10

How Can I Simplify This Complex Mathematical Expression?

  • headbang
  • · Replies 3 ·
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3

Can a polynomial ever just have 2 terms?

  • OMGMathPLS
  • · Replies 11 ·
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11

Solve for q: Q=p-q/2 q=p-2Q

  • OMGMathPLS
  • · Replies 4 ·
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4

Undergrad Ball in Cone Issue: Solving for Angle X

  • MechEgr
  • · Replies 6 ·
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6

High School Are These Properties of Zero Correct?

  • bballwaterboy
  • · Replies 10 ·
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How to Graph \( y = \sqrt{x+2} - \sqrt{x-2} \) Without Calculus?

  • Dethrone
  • · Replies 8 ·
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8

Is this wrong or right? Simplify: -2^2 =-4

  • OMGMathPLS
  • · Replies 6 ·
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Your favorite mathematical theorems

  • micromass
  • · Replies 47 ·
2
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High School How do I multiply 3 three digit numbers simultaneously?

  • jnbp13
  • · Replies 15 ·
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15

How does \sqrt{300} =10\sqrt{3} when simplified?

  • OMGMathPLS
  • · Replies 18 ·
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18

Product of a rational number and its inverse

  • Paige1
  • · Replies 3 ·
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3

Absolute value within absolute value

  • Dethrone
  • · Replies 16 ·
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16

Undergrad Issue with math in physics problem?

  • fightboy
  • · Replies 3 ·
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3

Did I misinterpret the sign attached to a term when factoring?

  • find_the_fun
  • · Replies 5 ·
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5

Evaluate (1-a)/(1+a)+(1-b)/(1+b)+(1-c)/(1+c)

  • anemone
  • · Replies 4 ·
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4

High School Does Associative Property Apply to Subtraction and Division Too?

  • bballwaterboy
  • · Replies 4 ·
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4

High School Solving for center distance C in belt length formula

  • wallybanger
  • · Replies 9 ·
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9

Generating an inverse function from the given one

  • clumps tim
  • · Replies 5 ·
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5

Undergrad Starting the Sander's Parallelogram Proof

  • fishspawned
  • · Replies 2 ·
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2

High School Dumb Question: When Factoring Do We List Negative Factors?

  • bballwaterboy
  • · Replies 1 ·
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1

Solving for x: Clearing Fractions or Finding Common Denominator?

  • Dethrone
  • · Replies 2 ·
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2

High School Very simple log problem - I'm missing something.

  • Zaent
  • · Replies 3 ·
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3

A possible graph for this function?

  • eleventhxhour
  • · Replies 3 ·
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3

High School Problems Understanding Division of Fractions

  • bballwaterboy
  • · Replies 2 ·
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2

Convex and concave lens and paraxial rays

  • Dustinsfl
  • · Replies 10 ·
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10

Kinematics, time taken to a wall disappear

  • Fantini
  • · Replies 5 ·
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5

High School Easiest Method to Evaluate Imperfect Square Root up to 5 Decimals?

  • jnbp13
  • · Replies 17 ·
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17

Finding the Frequency of 5 in $S$

  • anemone
  • · Replies 2 ·
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2

Graduate Distribution of named and important mathematical constants

  • dipole
  • · Replies 7 ·
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7

High School What would be general formula of a circle in form of variables ?

  • Murtuza Tipu
  • · Replies 2 ·
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2

What is the equivalent identity for $\sin^2\omega t$?

  • Drain Brain
  • · Replies 4 ·
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4

High School Basic trig question: reference angles

  • cupu
  • · Replies 3 ·
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3

How Is Total Kinetic Energy Calculated in This Mechanical System?

  • Dustinsfl
  • · Replies 3 ·
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3

How many more donuts did the second guy eat?

  • confusedbymath3
  • · Replies 2 ·
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2

Undergrad Does this equation have a name?

  • gamow99
  • · Replies 3 ·
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3

Undergrad Physical reason vs. Mathematical reason

  • ShayanJ
  • · Replies 19 ·
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19

How Does Simplifying Exponential Expressions Work?

  • Alexstrasuz1
  • · Replies 6 ·
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6

Evaluate p^{2014}+q^{2014}+r^{2014}

  • anemone
  • · Replies 2 ·
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2

Undergrad Is ln(√e^π)/π a rational number?

  • johann1301
  • · Replies 6 ·
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6

Prove that a root of an equation is in the interval (1,1+1/k)

  • anemone
  • · Replies 1 ·
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1

Prove an equation has no integer solution

  • anemone
  • · Replies 2 ·
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2

Graduate Exact Sin Calculus: Solving for Trigon Funcs Without Triangles

  • vjacheslav
  • · Replies 3 ·
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3