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

Need Explanations For The Red Part (2 variable inequality)

  • WannaBe
  • · Replies 1 ·
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1

Graduate Euclid's Elements - The Application of Areas

  • Hunus
  • · Replies 1 ·
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1

Sustainability of pyramid scheme

  • Ken Somerville
  • · Replies 1 ·
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1

Finding properties of the complex number z = -3+4i

  • Raerin
  • · Replies 8 ·
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8

What is the angular velocity of a cylinder in rev/hr

  • karush
  • · Replies 3 ·
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3

Solve equation with square roots

  • theakdad
  • · Replies 12 ·
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12

Graduate What is the value of pure math (besides just being awesome?)

  • 1MileCrash
  • · Replies 8 ·
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8

Graduate Find All Pairs (m,n) with mn-1 Dividing n^3+1

  • eddybob123
  • · Replies 6 ·
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6

Finding $f(67500)$ with Given Conditions on $f(x)$

  • anemone
  • · Replies 4 ·
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4

High School What's the Difference Between a Position and a Position Vector?

  • san203
  • · Replies 8 ·
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8

Generating all n where 5n+1 and 7n+1 are both perfect squares

  • MarkFL
  • · Replies 6 ·
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6

Find all pairs (m,k) of integer solutions

  • anemone
  • · Replies 5 ·
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5

High School The way we write ln(x) to the power of a

  • johann1301
  • · Replies 4 ·
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4

Undergrad Derive cross product from dot product

  • persia7
  • · Replies 15 ·
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15

Graduate Does theoretical math have real-world applications?

  • modnarandom
  • · Replies 11 ·
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11

Linear and angular velocity of 2 pulleys and a belt.

  • karush
  • · Replies 1 ·
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1

Graduate Best piecewise linear interpolation

  • EmpaDoc
  • · Replies 23 ·
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23

Find all positive integer solutions of the given equation.

  • anemone
  • · Replies 4 ·
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4

Undergrad Can a Non-Invertible Function Become Invertible in Certain Intervals?

  • ZeroPivot
  • · Replies 6 ·
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6

A Few Interesting Problems I Found

  • eddybob123
  • · Replies 7 ·
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7

Calculating Angular and Linear Speeds of Pulley and Belt

  • karush
  • · Replies 4 ·
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4

Graduate Any ideas for topics in Mathematical Physics?

  • skate_nerd
  • · Replies 5 ·
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5

Graduate Solving 2-Can, 1-Cup Problem: f(n)

  • JanEnClaesen
  • · Replies 5 ·
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5

High School Algebra: Rearranging Terms - Confirming Order Change Rules

  • ThomasMagnus
  • · Replies 8 ·
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8

Graduate Cross product of two 4-Vectors

  • Philosophaie
  • · Replies 10 ·
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10

High School Can you solve the equation 100! - 99!?

  • srfriggen
  • · Replies 5 ·
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5
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1

How many real solutions does x^n = n^x have?

  • poissonspot
  • · Replies 1 ·
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1

High School Finding Sequences: Logic and Practice

  • Madonna M.
  • · Replies 1 ·
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1
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1

Undergrad What are some practical applications of the Chinese Remainder Theorem?

  • matqkks
  • · Replies 1 ·
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1

Smallest positive integer n where n^16 exceeds 16^18

  • anemone
  • · Replies 3 ·
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3

More Combinatorial Fun: Evaluating Sums

  • MarkFL
  • · Replies 7 ·
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7
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3

Should I copy the solution steps even if I don't understand them?

  • Tyrion101
  • · Replies 11 ·
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11

Undergrad Why does √(−1)² give different answers with different methods?

  • ViolentCorpse
  • · Replies 7 ·
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7

High School Ti-Nspire CX CAS settings for simplifying radicals with variables

  • dmnalgebra
  • · Replies 5 ·
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5

Undergrad Should I play the lottery or not?

  • MathJakob
  • · Replies 36 ·
2
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36

Apply Binomial Theorem: Expand (x-2y)^3

  • MarkFL
  • · Replies 1 ·
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1

Solve System of Equations: X^2+y^2 and (x+3)^2+(y-3)^2=9

  • ironluis
  • · Replies 5 ·
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5

High School What does f(x) notation mean in equations?

  • Physicist3
  • · Replies 2 ·
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2

Square Root Rules for Fractions: x∈[3,∞)

  • Amer
  • · Replies 7 ·
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7

Express the set as a union of intervals:

  • WannaBe
  • · Replies 6 ·
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6

Undergrad How to mathematically describe strings with required 1111 pattern

  • farkuldi
  • · Replies 6 ·
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6

Undergrad How Do You Solve for I in a Series of Beam Deflection Equations?

  • mattaddis
  • · Replies 3 ·
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3

Angular and Linear Speed of a Point

  • karush
  • · Replies 3 ·
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3

High School Can blind individuals excel in mathematics?

  • MathJakob
  • · Replies 24 ·
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24

High School Is x=y^2 a One to One Function?

  • Hepic
  • · Replies 9 ·
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9

High School Stepping down from an advanced calculator

  • mindheavy
  • · Replies 3 ·
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3

High School Does 1 have a degree of 1 or 0?

  • student34
  • · Replies 14 ·
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14

Show that the five roots are not real

  • anemone
  • · Replies 1 ·
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1

Mechanical Vibrations - Linear Combinations

  • alane1994
  • · Replies 8 ·
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8

How Fast Does a Flywheel Spin at 7 Radians per Second?

  • karush
  • · Replies 6 ·
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6

Find the greatest and smallest value of x + y

  • anemone
  • · Replies 9 ·
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9

Calculating Nails: How Many Nails Are in the Picture?

  • jleo313
  • · Replies 9 ·
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9

Find Angle A for Triangle: Sin2 B + Sin2 C = Sin B Sin C

  • anemone
  • · Replies 8 ·
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8

Unique Solution for 3 Simultaneous Equations with Integers: x, y, z

  • anemone
  • · Replies 4 ·
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4

Prove Aux Angle: bcosθ+asinθ=√a²+b²sin(θ+tan⁻¹b/a)

  • DreamWeaver
  • · Replies 2 ·
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2

Undergrad Opinions on infinitely close things?

  • Radarithm
  • · Replies 3 ·
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3

Graduate Finding the n'th term of fibonacci like sequence

  • neerajareen
  • · Replies 3 ·
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3

The exact value of cos(θ) in the form of p/q

  • karush
  • · Replies 5 ·
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5

Undergrad What should I assume when I see log?

  • Permanence
  • · Replies 6 ·
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6

Undergrad How do I stay engaged with math when it feels draining?

  • bhonkers
  • · Replies 19 ·
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19

Proving C cos(ωₒt - φ) = A sin(ωₒt) + B cos(ωₒt)

  • skate_nerd
  • · Replies 4 ·
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4

Undergrad Proving an Identity: Is my High School Explanation Correct?

  • Turion
  • · Replies 8 ·
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8

How come I can program for fun but I can't math for fun?

  • Turion
  • · Replies 10 ·
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10

High School Vertex of a Function: -3(x-2)^2-3

  • Drakkith
  • · Replies 1 ·
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1

Find the distinct values of t so that a_{1998}=0

  • anemone
  • · Replies 6 ·
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6
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5

Quadratic modeling problem from Yahoo Answers

  • MarkFL
  • · Replies 1 ·
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1

High School Missing negative signs while solving long problems

  • Tyrion101
  • · Replies 4 ·
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4

Determine the value for x^5 + 1/x^5

  • anemone
  • · Replies 11 ·
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11

High School Equations at the third and more.

  • Hepic
  • · Replies 1 ·
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1

Undergrad What is the proper notation for angle wrapping in a mathematical function?

  • billiards
  • · Replies 4 ·
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4

How Many Ordered Triples (a, b, c) Satisfy Given LCM Conditions?

  • juantheron
  • · Replies 2 ·
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2

Mandelbrot Monk: Ancient Fractal Geometry

  • MarkFL
  • · Replies 4 ·
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4

Find Length of Line D in ABC Triangle

  • MarkFL
  • · Replies 1 ·
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1

What do a and b represent in an elliptic cylinder equation?

  • Yankel
  • · Replies 1 ·
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1

Can You Simplify the Fraction 2h/h2 + 2h + 2 by Cancelling Out 2h?

  • coolbeans33
  • · Replies 1 ·
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1

Graduate Evaluating sums with double subscripts in neural network notation

  • CraigH
  • · Replies 6 ·
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6
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3

How Many Integers Satisfy This Inequality?

  • anemone
  • · Replies 4 ·
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4
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1

Throwing sandbags out of air balloon

  • mathmaniac1
  • · Replies 1 ·
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1

Find the perimeter of the triangle

  • anemone
  • · Replies 3 ·
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3

Undergrad Four features from three dimensions?

  • physical101
  • · Replies 9 ·
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9

How can I find the minimum value of xy given certain conditions?

  • anemone
  • · Replies 7 ·
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7

What Are the Solutions to These Various Geometry Problems?

  • blahblah
  • · Replies 8 ·
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8

Solve $ac+bd-ad-bc$ Given $\dfrac{3}{4}$, $\sqrt{a^2+c^2}=15$

  • anemone
  • · Replies 1 ·
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1

Find the Maximal Value Challenge

  • anemone
  • · Replies 1 ·
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1

Keito's question at Yahoo Answers regarding the Law of Sines

  • MarkFL
  • · Replies 1 ·
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1

Find: c/(a + b) + b/(a + c) = ?

  • Albert1
  • · Replies 3 ·
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3

Why I don't think I'll ever enjoy math

  • Tyrion101
  • · Replies 11 ·
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11

Frank's questions at Yahoo Answers regarding de Moivre's theorem

  • MarkFL
  • · Replies 1 ·
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1

What is fractal binary and where does it come from?

  • ashesmi
  • · Replies 8 ·
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8
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4

Positive integer pairs (a,b) satisfying 4^a + 4a^2 + 4 = b^2

  • juantheron
  • · Replies 4 ·
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4
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4

Can you generalize the result for this sum over sum problem?

  • anemone
  • · Replies 2 ·
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2

Lily's question at Yahoo Answers regarding kinematics

  • MarkFL
  • · Replies 1 ·
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1