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

Guess the Mystery Number in this List of 4!

  • alextrainer
  • · Replies 4 ·
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4

Understanding the Horizontal Shift in Logarithmic Functions

  • zekea
  • · Replies 1 ·
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1

Names of 3D shapes: cylinder, cone, cube and two others

  • goldieluxe
  • · Replies 9 ·
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9

Calculating the Length of an Angle Bisector: Is My Solution Correct?

  • divisor
  • · Replies 2 ·
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2

Undergrad Is there a happy semigroup of concatenated numbers?

  • dkotschessaa
  • · Replies 4 ·
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4

High School What does a line in space look like?

  • Kiki
  • · Replies 5 ·
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5

Undergrad Can every natural number be a sum of unique Fibonacci numbers?

  • rumborak
  • · Replies 4 ·
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4

ACT Problem: Sum Of Even Integers

  • 816318
  • · Replies 2 ·
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2

Is it possible to solve such a system of equations?

  • zrs
  • · Replies 5 ·
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5

Undergrad Product of functions to express any function

  • fog37
  • · Replies 5 ·
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5

Proving No Common Solution for Equations (1) and (2)

  • Albert1
  • · Replies 2 ·
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2

High School Mastering Compound Angles for Perfect Molding Installation

  • arydberg
  • · Replies 5 ·
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5

Trigonometric Simplification for Projectile Motion Equation

  • Theia
  • · Replies 2 ·
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2

Easier Alternatives to Tedious Tasks

  • Ilikebugs
  • · Replies 2 ·
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2

Undergrad A Simple Equation, but a Complicated Solution

  • Thecla
  • · Replies 2 ·
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2

Finding $\angle ADC$ in $\triangle ABC$

  • Albert1
  • · Replies 3 ·
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3

Undergrad Can i get a mathematical function out of this picture?

  • Bayoudh101
  • · Replies 8 ·
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8
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2

Undergrad Aspects of math that are often over-formulated on curriculum

  • binbagsss
  • · Replies 3 ·
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3

Where Should I Begin with Parabolas?

  • Ilikebugs
  • · Replies 5 ·
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5

Undergrad Conceptual Question About Polar Coordinate System

  • CheeseSandwich
  • · Replies 6 ·
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6

Undergrad Representing sums as sigma notation?

  • bluejay27
  • · Replies 6 ·
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6

Prove that sin(x)+cos(x) is equal or larger than 1

  • Yankel
  • · Replies 11 ·
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11

Undergrad How can I improve my proof skills with internet resources?

  • Logical Dog
  • · Replies 11 ·
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11

Undergrad Is there a geometrical derivation of e

  • DaTario
  • · Replies 23 ·
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23

High School Is Infinity Cyclical or Linear?

  • BL4CKB0X97
  • · Replies 35 ·
2
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35

Undergrad Understanding Image & Pre-Image: An Example

  • mikeyBoy83
  • · Replies 6 ·
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6

How do I construct this Triangle?

  • schunck
  • · Replies 2 ·
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2

Undergrad Logarithm of negative base to a number resulting in even

  • Logical Dog
  • · Replies 10 ·
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10

Undergrad Simplifying A cos α sin θ + B sin α cos θ

  • volican
  • · Replies 3 ·
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3

High School Can the Lonely Runner Conjecture apply to circular tracks of any diameter?

  • Einstein's Cat
  • · Replies 2 ·
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2

Undergrad How to solve this system of equations of trig functions

  • ual8658
  • · Replies 7 ·
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7

What is the strategy for solving Problem S395 in Mathematical Reflections?

  • vidyarth
  • · Replies 1 ·
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1

ACT Problem: Determine Constant In Polynomial Given Factor

  • 816318
  • · Replies 2 ·
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2

Undergrad Solving For Right Triangles With A Twist

  • tomtomtom1
  • · Replies 6 ·
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6

What is the factorization of $30x^4-41x^3y-129x^2y^2+100xy^3+150y^4$?

  • paulmdrdo1
  • · Replies 4 ·
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4

Order Of Ops: 6-1x0+2÷2=7: Debunking the Myth

  • Rachel1
  • · Replies 6 ·
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6

How can the sum of digits of a multiple of 2016 equal 2016?

  • vidyarth
  • · Replies 6 ·
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6

Undergrad Real reason why 1 isn't prime?

  • FallenApple
  • · Replies 23 ·
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23

Undergrad Proof of Ramanujan's Problem 525 with A=5, B=4

  • Ted7
  • · Replies 3 ·
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3

High School What is the Zipf law and how does it relate to math?

  • houlahound
  • · Replies 6 ·
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6

Factoring polynomial with fractional coefficients

  • bergausstein
  • · Replies 11 ·
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11

Is the Inequality $(a+b+c)^2+(x+y+z)^2≥1$ Always True?

  • anemone
  • · Replies 4 ·
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4

How do I solve a polynomial with a missing term?

  • blinky
  • · Replies 6 ·
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6

Can this expression be factored?

  • mathlearn
  • · Replies 3 ·
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3

Solve 2000 = 4𝐾^0.75 * L^0.25 - 5000(10/3)^.75

  • markosheehan
  • · Replies 1 ·
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1

How can I factor a polynomial without using the rational root theorem?

  • paulmdrdo1
  • · Replies 3 ·
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3

How can we prove the recursive definition of $S$ by induction?

  • MarkFL
  • · Replies 2 ·
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2

Want to see 52 unique charts from the best of 538's infographics?

  • BillTre
  • · Replies 1 ·
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1

High School Applying world coordinate rotations to an object with arbitrary initial rotation

  • Legato Bluesummers
  • · Replies 11 ·
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11

Undergrad Equilateral Ellipse - Formula & References

  • Douglasdc
  • · Replies 4 ·
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4

What is the Solution to 3x^(-1/2) - 4 = 0?

  • Dil1
  • · Replies 3 ·
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3

This calculates the equation for a graph based on given points.

  • KeatonBuddy
  • · Replies 1 ·
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1

ACT Problem: Distance, Rate and Time

  • 816318
  • · Replies 5 ·
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5

Prove :1/a^{2n+1}+1/b^{2n+1}+1/c^{2n+1}=1/{a^{2n+1}+b^{2n+1}+c^{2n+1}}

  • Albert1
  • · Replies 2 ·
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2

Is it even worth studying mathematical philosophy?

  • Logical Dog
  • · Replies 18 ·
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18

Are At Least Two Numbers Equal in This Sum of 100 Terms?

  • Albert1
  • · Replies 3 ·
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3

High School Is it impossible to prove that some functions are periodic?

  • mustang19
  • · Replies 18 ·
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18

Number of real roots in polynomial equation

  • juantheron
  • · Replies 3 ·
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3

Prove Equal Area Triangle & Parallelogram, $\angle ADC=90^{\circ}$

  • mathlearn
  • · Replies 9 ·
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9

Find the sum of three trigonometric terms

  • anemone
  • · Replies 2 ·
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2
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3

Why did you choose math over physics or vice versa?

  • Orson
  • · Replies 35 ·
2
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35

Finding distances to the frisbee

  • kingsala
  • · Replies 3 ·
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3

What Was Your First Discovery as a Child?

  • Andreas C
  • · Replies 3 ·
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3

Undergrad Does mobius transformation assume 3-D Euclidean space?

  • Layman FJ
  • · Replies 4 ·
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4

Sum of 100 Terms: Prove At Least 2 Numbers Equal

  • anemone
  • · Replies 6 ·
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6

Undergrad Irrational numbers aren't infinite. are they?

  • CollinsArg
  • · Replies 3 ·
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3

Undergrad Mobius Transformation: Physical Significance?

  • Layman FJ
  • · Replies 2 ·
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2

Liquid Blending Proportions - Problem Setup

  • Vinocalc
  • · Replies 4 ·
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4

Undergrad Question about Fourier transformation

  • Frank Einstein
  • · Replies 1 ·
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1

"Solving for $f(2002)$ in $f(f(x)+f(y))=x+y$

  • Albert1
  • · Replies 16 ·
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16

Find the area of the "Dodecagon"

  • Albert1
  • · Replies 1 ·
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1

Prove f(n) is a product of two consecutive positive integers for all n

  • Albert1
  • · Replies 1 ·
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1

How Full Is the Larger Bucket After Pouring?

  • 816318
  • · Replies 1 ·
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1

Undergrad 360 degrees and the Golden Ratio

  • DaTario
  • · Replies 6 ·
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6
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2

Was Paul Erdos' Eccentricity Linked to Long-Term Amphetamine Use?

  • FallenApple
  • · Replies 19 ·
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19

High School Easily Multiply Large Numbers: 73×53 & 7373×5353

  • parshyaa
  • · Replies 5 ·
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5

Undergrad How Often is First-Order and Modal Logic Used in Math?

  • kyphysics
  • · Replies 8 ·
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8

High School Solving ab = a + b: What are the Possible Answers?

  • Einstein's Cat
  • · Replies 9 ·
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9

High School Is sin(3.6) Negative in Quadrant III?

  • Chadi B Ghaith
  • · Replies 4 ·
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4

Max Value of $a^2+2a+b^2$ When $2a^2-6a+b^2=0$

  • anemone
  • · Replies 3 ·
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3

High School Peeking at the answer of an unsolved problem.

  • CynicusRex
  • · Replies 4 ·
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4

Geometry in the Art of Dorothea Rockburne

  • Gord1
  • · Replies 1 ·
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1
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1
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27

High School What is the Correct Way to Read 48÷2(9+3)?

  • Hurkyl
  • · Replies 18 ·
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18

High School A question regarding multiples of 3

  • guifb99
  • · Replies 6 ·
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6

High School Does the human calculator stuff really work?

  • jim1174
  • · Replies 4 ·
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4

Undergrad Why is the first term zero in the Virial Theorem derivation?

  • rexregisanimi
  • · Replies 5 ·
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5

High School Very basic noob question about integers

  • fission
  • · Replies 3 ·
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3

Graduate Has the ABC Conjecture Been Proven?

  • David Neves
  • · Replies 4 ·
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4

Prove Quadrilateral ABCD Perimeter $\geq (4+2\sqrt 2)S$

  • Albert1
  • · Replies 1 ·
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1

What is the area of rectangle ABCD?

  • Albert1
  • · Replies 4 ·
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4

ACT Problem: Finding The x-Intercept Of Given Line

  • 816318
  • · Replies 3 ·
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3

Vedic Math Method: Prove Conjecture Inspired by a Math Trick

  • RLBrown
  • · Replies 2 ·
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2

Graphing Trig Function: Amplitude 4, Period (2\pi/3), Range [-4,4]

  • Dasysaaaa
  • · Replies 1 ·
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1

Find 4-adic Expansion of $\frac{1}{5}$ - Wondering

  • mathmari
  • · Replies 2 ·
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2

Sum of First 20 Terms of Arithmetic Progression with Even Terms Removed

  • mathlearn
  • · Replies 7 ·
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7