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

Solve Ramesh's Algebra 1 Homework on Ages

  • burgess
  • · Replies 3 ·
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3

What Makes the Best Math/Physics Comic?

  • 1MileCrash
  • · Replies 3 ·
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3

Undergrad Can polynomial functions be determined in 3D using given points and coordinates?

  • Jhenrique
  • · Replies 1 ·
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1

Solve System of Equations: a+b, ab+c+d, ad+bc, cd

  • kaliprasad
  • · Replies 3 ·
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3

High School Recommendations on Elementary Geometry book

  • Psi-yance
  • · Replies 4 ·
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4

Convert V: 10< 90 Degrees + 66 - j10V at 10k Rads/s

  • csmith23
  • · Replies 4 ·
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4

Challenging Trigonometric Inequality: Can You Prove It?

  • Albert1
  • · Replies 5 ·
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5

What Is the Maximum Value of $pq+qr+rs$ When $p+q+r+s=63$?

  • anemone
  • · Replies 3 ·
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3

Graduate Expansion Info-Representation With Arbitrarily Adjustable Decimals

  • davidelkins
  • · Replies 2 ·
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2

Graduate When did math become hard for you? Share your experience

  • ghostwind
  • · Replies 21 ·
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21

Undergrad Generating the function from given coordinates and slopes

  • cooper607
  • · Replies 3 ·
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3

Graduate Why Does My Inductive Impedance Calculation Seem Incorrect?

  • thepipersson80
  • · Replies 3 ·
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3

High School Question about the rounding off rule.

  • Yashbhatt
  • · Replies 2 ·
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2

High School How do you calculate all the possible combinations on a Rubik's cube?

  • Nerdydude101
  • · Replies 4 ·
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4

Can You Prove $6^{33}>3^{33}+4^{33}+5^{33}?

  • anemone
  • · Replies 3 ·
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3

Undergrad Solving system of inequalities

  • FysixFox
  • · Replies 12 ·
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12

Deriving potential energy by simulation method

  • aruwin
  • · Replies 1 ·
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1

Parity equivalent to the system

  • evinda
  • · Replies 7 ·
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7
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3

Graduate Plus sign in triangle usage (or minus, times)

  • scop
  • · Replies 1 ·
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1

Undergrad Can someone please explain the elevator paradox?

  • Nerdydude101
  • · Replies 5 ·
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5

Why Does Modulus Primality Matter in Congruences?

  • evinda
  • · Replies 9 ·
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9

There are infinitely many composite numbers

  • evinda
  • · Replies 14 ·
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14

What is the Simplified Form of the Trigonometric Expression?

  • anemone
  • · Replies 3 ·
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3

Is There a Solution to the Challenge of Inequality?

  • anemone
  • · Replies 2 ·
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2

How Does 31.7 Equal 1.6% in This Math Problem?

  • Tripp1
  • · Replies 1 ·
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1
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8

Prove the given equation has no solution

  • Albert1
  • · Replies 4 ·
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4

No Positive Integer Solution for $4xy - x - y = z^2$

  • kaliprasad
  • · Replies 8 ·
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8

Order of operation and why this gives the wrong answer?

  • find_the_fun
  • · Replies 7 ·
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7

Graduate Is the "space" between one and two infinite?

  • Toppy123
  • · Replies 16 ·
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16

Are Both Solutions to the Diophantine Equation $x^4 - 2y^2 = 1$ Valid?

  • evinda
  • · Replies 8 ·
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8

Graduate Why Do People Misunderstand Mathematical Proofs of Nonexistence?

  • 1MileCrash
  • · Replies 31 ·
2
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31

Undergrad Mean distance between points of 2D array

  • cosmik debris
  • · Replies 5 ·
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5

High School Sierpinski Triangle: Equilateral or Isosceles?

  • omega-centauri
  • · Replies 2 ·
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2

Undergrad B-spline and NURBS curve example

  • basty
  • · Replies 2 ·
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2

Graduate Equation general of conic in polar coordinates

  • Jhenrique
  • · Replies 4 ·
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4

Undergrad Calculate number of roads/lines a line crosses

  • Rich2020
  • · Replies 2 ·
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2

Find m+n in $P(x)=x^3-6x^2+17x$ given $P(m)=16$ and $P(n)=20$

  • anemone
  • · Replies 6 ·
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6

Graduate Probably a stupid question regarding 4-dimensional space

  • Mhorton91
  • · Replies 16 ·
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16

Undergrad Simple geometric series question

  • FeynmanFtw
  • · Replies 8 ·
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8

Proving $b^2-4ac \leq \frac{1}{8}$

  • Albert1
  • · Replies 2 ·
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2

Elementary Algebra" by Hall & Knight: A Beginner's Guide

  • Drain Brain
  • · Replies 4 ·
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4

Graduate Can You Find the Best Constant for Sum-Free Subsets?

  • Office_Shredder
  • · Replies 32 ·
2
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32

How Does One Calculate Z from Electric Field Equations?

  • nerdsamurai22
  • · Replies 2 ·
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2

Solving Resistors in a Circuit: Working Backwards

  • csmith23
  • · Replies 5 ·
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5

Help with circuits and their different symbols

  • zhavelka
  • · Replies 1 ·
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1

Graduate Can The Human Body Be Expressed Mathematically?

  • davgonz90
  • · Replies 35 ·
2
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35

Find Solution to Power & Resistance w/ 10 Ohm Resistors

  • dstorm
  • · Replies 3 ·
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3

Prove A_n is an integer for all n in N

  • Albert1
  • · Replies 1 ·
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1

High School Is 3.62566 an Irrational Number?

  • adjacent
  • · Replies 19 ·
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19

Remainder of $3^{2^n}-1$ Divided by $2^{n+3}$

  • kaliprasad
  • · Replies 5 ·
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5

Are the solutions of the diophantine equations right?

  • evinda
  • · Replies 19 ·
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19

Mesh currents, emfs, and resistances

  • madbo517
  • · Replies 4 ·
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4

Solve triple square Diophantine equation

  • individ
  • · Replies 3 ·
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3

Quickly Calculate $\text i^{n}$ Values

  • Drain Brain
  • · Replies 2 ·
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2

Summation Problems: Solve Delta ti * T(Delta ti) for Age in Days

  • Cokemaster
  • · Replies 1 ·
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1

Prove $\left(\begin{matrix}n\\1\end{matrix}\right)=n$ - Help Needed

  • bergausstein
  • · Replies 3 ·
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3

Show that there are no a,b such that a^n-b^n | a^n + b^n

  • evinda
  • · Replies 11 ·
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11

Evaluate Fraction: 30^4+324 to 78^4+324

  • anemone
  • · Replies 5 ·
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5

Polynomial Challenge: Find $k$ Integral Values

  • anemone
  • · Replies 4 ·
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4

Graduate Find A Counter-Example to This

  • Atran
  • · Replies 4 ·
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4

Proving the Compositeness of n^4+1: A Scientific Approach

  • evinda
  • · Replies 11 ·
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11

High School Can Mathematical Errors Lead to False Equations?

  • STEMucator
  • · Replies 17 ·
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17

Solving a Challenge: Finding Real x to Satisfy an Equation

  • anemone
  • · Replies 9 ·
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9

Undergrad Help understanding coefficient formula

  • andyfive
  • · Replies 2 ·
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2

High School Terminology for exponentiation and logarithms

  • wolf1728
  • · Replies 1 ·
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1

Answer: Calculate Electric Field Strength at 1mm for a Stationary Electron

  • Alexis Deleon
  • · Replies 1 ·
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1

Solve for the coordinates of square

  • Saitama
  • · Replies 3 ·
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3

High School Questions about the (Spatial) Fourth Dimension

  • Tesseract
  • · Replies 6 ·
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6

Undergrad Can the sinh and cosh functions be expressed in terms of each other?

  • Jhenrique
  • · Replies 8 ·
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8

Proving Divisibility: Does a^n Divide b^n Imply a Divides b?

  • evinda
  • · Replies 4 ·
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4

Simplify a trigonometric expression

  • anemone
  • · Replies 7 ·
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7

Why is the implication obvious?

  • evinda
  • · Replies 2 ·
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2

Undergrad Learning maths concepts …not just how to do an equation

  • urbano
  • · Replies 3 ·
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3

Is 27x^6+27x^3y^3+8y^6 Composite for Positive Integers x and y?

  • anemone
  • · Replies 2 ·
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2

Solve for a & b: Real Number Pairs $(a,\,b)$

  • anemone
  • · Replies 2 ·
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2

Description of how to solve six middle school geometry problems

  • Mark Powell
  • · Replies 1 ·
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1

QR Code Length: Examining the Fixed Size of QR Codes

  • Albert1
  • · Replies 2 ·
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2
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3
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8

Undergrad Solving 0x^2 + ax + b = 0: Why Different Results?

  • JusApee
  • · Replies 5 ·
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5

Undergrad Solve Polynomial Riddle: Find Coefficients & Rank

  • dislect
  • · Replies 6 ·
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6

Triangle Inequality: $a^4-1, a^4+a^3+2a^2+a+1, 2a^3+a^2+2a+1$

  • anemone
  • · Replies 4 ·
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4

High School Geometry Prep for 8th Grader Caleb: Links, Advice & Experiments

  • c-english
  • · Replies 7 ·
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7

Undergrad Algebraic manipulation of equation

  • jellicorse
  • · Replies 2 ·
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2

How Many Photons Does a Laser Emit in a Single Pulse?

  • yakin
  • · Replies 10 ·
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10

Find the Min Sum of $m$ and $n$ for $(4^m+4^n)\ mod\ 100=0$

  • Albert1
  • · Replies 2 ·
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2

Finding the Sum of $w,x,y,z$ Given $2^w+2^x+2^y+2^z=20.625$

  • Albert1
  • · Replies 2 ·
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2

Can an Equilateral Triangle be Formed with Rational Vertices on the X-Axis?

  • kaliprasad
  • · Replies 5 ·
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5

Undergrad Sides of a triangle given an area and an equation.

  • maistral
  • · Replies 6 ·
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6

Undergrad General form of the solutions of polynomials

  • Jhenrique
  • · Replies 14 ·
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14

High School How many roots does x^3.14 have?

  • Jhenrique
  • · Replies 13 ·
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13

Solve the trigonometric equation

  • anemone
  • · Replies 3 ·
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3

High School Does the function f(x) = ax+b have a discriminant? If so, what is it?

  • Jhenrique
  • · Replies 5 ·
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5

High School Basic Trig Functions: Clarifying Definitions

  • fonz
  • · Replies 12 ·
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12

Finding the Sum of Cubes for Rational Numbers with Integer Roots

  • Albert1
  • · Replies 2 ·
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2
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1

Proving - properties of quadratic roots

  • Drain Brain
  • · Replies 6 ·
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6

Rational & Real Roots in Quadratic Equations: Explained

  • Drain Brain
  • · Replies 6 ·
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6