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

Given a quadratic in x, find the cube of x

  • ter27
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2

High School What are the ratios of width and length for these two rectangles?

  • julian
  • · Replies 7 ·
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7
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3

Prove a number is divisible by 2^{2008}

  • anemone
  • · Replies 2 ·
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2

Trigonometry Challenge: Can You Solve This Equation?

  • anemone
  • · Replies 2 ·
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2

Help Solving Questions | Get Professional Assistance

  • squexy
  • · Replies 4 ·
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4

Graduate Video Lectures for Upper-Level Mathematics

  • Sankaku
  • · Replies 90 ·
4
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90

Undergrad Writing a Finite Polynomial for (k)1/2 in Math | Real Numbers

  • mesa
  • · Replies 3 ·
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3

What are the definitions of memoryless, linear, and stable properties?

  • nacho-man
  • · Replies 1 ·
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1

Triangle Challenge: Prove $p^4+q^4+r^4-2p^2q^2-2q^2r^2-2r^2p^2<0$

  • anemone
  • · Replies 2 ·
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2

High School What is Division? An Intuitive Explanation

  • Mr Davis 97
  • · Replies 10 ·
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10

Prove a sum is a composite number

  • anemone
  • · Replies 6 ·
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6

Understanding RSA Encryption: What Stops Attackers from Calculating d?

  • Yankel
  • · Replies 8 ·
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8

High School Talking aloud while solving problems

  • Mogarrr
  • · Replies 10 ·
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10

High School Division for Ratios: Explaining Value of Fractions

  • Mr Davis 97
  • · Replies 4 ·
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4

Simplifying Algebraic fraction

  • Spencer23
  • · Replies 6 ·
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6

High School What is the technique called for tracing data back to a source?

  • Nerdydude101
  • · Replies 3 ·
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3

Undergrad Looking for counterexample in inequality proof

  • cerealkiller
  • · Replies 6 ·
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6

High School Looking for an expression for radicals

  • mesa
  • · Replies 17 ·
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17

The proof of local convergence of the following function....

  • majidyusefi
  • · Replies 2 ·
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2

Solve Christmas Light Wiring Problem: Series vs Parallel

  • Dustinsfl
  • · Replies 7 ·
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7

Undergrad Need an equation for artillery

  • doom_sharpe
  • · Replies 3 ·
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3

High School Why is zero included in our number system?

  • DonkeyMaHonkey
  • · Replies 6 ·
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6

High School Proving Relationships with Mathematical Induction

  • gfd43tg
  • · Replies 2 ·
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2

Prove $x^3+y^3+3xyz>z^3$ for Triangle Sides

  • anemone
  • · Replies 2 ·
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2

Graduate Question about the Borwein fast algorithm for certain values of Gamma

  • mesa
  • · Replies 4 ·
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4

High School How to calculate 167^0,2 without a calculator

  • kev.thomson96
  • · Replies 9 ·
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9

What is the Minimum of f(x) Without Using Calculus?

  • anemone
  • · Replies 6 ·
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6

Undergrad Partial fraction decomposition(small question)

  • kevinshen18
  • · Replies 3 ·
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3

Equality of Angles: 3 Equal Angles in a Picture

  • Drain Brain
  • · Replies 4 ·
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4

Can you solve this system of equations with four variables?

  • anemone
  • · Replies 1 ·
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1

What Are the Positive Real Solutions for a and b in this Equation?

  • anemone
  • · Replies 1 ·
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1

Unlock the Mystery of the Monkey Saddle

  • DiracPool
  • · Replies 12 ·
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12
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2

Understanding Inequalities: Why is Option C the Correct Answer?

  • squexy
  • · Replies 1 ·
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1

Determine the ratio of boys and girls

  • burgess
  • · Replies 3 ·
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3

Undergrad Help solving Simulink numerical oscillation

  • Tusike
  • · Replies 1 ·
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1

Is Isoperimetry as Simple as Symmetry?

  • davusdot
  • · Replies 1 ·
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1

How can I determine the G 1:3 using given midpoints?

  • squexy
  • · Replies 5 ·
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5

Convert to a equation in RECTANGULAR coordinates

  • shamieh
  • · Replies 4 ·
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4

Prove a fraction is a perfect square

  • anemone
  • · Replies 12 ·
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12

What is the required length of wire A?

  • Drain Brain
  • · Replies 5 ·
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5

Trigonometric Values Exact Values

  • ardentmed
  • · Replies 7 ·
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7

Another trigonometric equality

  • Albert1
  • · Replies 3 ·
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3

Find the Radius and Center of a Circle

  • squexy
  • · Replies 5 ·
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5

Pros and Cons of Using $\arcsin$ vs $\sin^{-1} x$

  • I like Serena
  • · Replies 23 ·
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23

Undergrad Is the Shell Theorem Valid for Both Solid and Hollow Spheres?

  • bobie
  • · Replies 16 ·
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16

Undergrad Trying to get a grip on a mechanics problem

  • baaa
  • · Replies 10 ·
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10

Math/Science Meetups: Pursuing Recreational Interests Together

  • gfd43tg
  • · Replies 2 ·
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2

Evaluating $m^4-18m^2-8m$ Given $p,\,q,\,r$

  • anemone
  • · Replies 2 ·
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2

Trigonometry Challenge II: Solving for $m,\,n$ and $A$

  • anemone
  • · Replies 2 ·
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2

Solving the Identity Challenge: $3=\sqrt{1+2...9}$

  • Albert1
  • · Replies 2 ·
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2

High School Fractional Exponents (How is it done?)

  • Bored
  • · Replies 6 ·
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6

High School How can i show my mathematical theory?

  • Master Sashin
  • · Replies 15 ·
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15

Graduate Unifying Numerical Math and Symbolic Logic: Has Progress Been Made?

  • alvin51015
  • · Replies 4 ·
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4

Find Exactly One Triple from $n$ Objects: $\mod{6}$

  • maxkor
  • · Replies 4 ·
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4

Graduate Can Non-Numerical Methods Effectively Organize Qualitative Data?

  • alvin51015
  • · Replies 3 ·
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3

Prove $\angle QBR=\angle RSQ$: Geometry Challenge

  • anemone
  • · Replies 2 ·
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2

Undergrad Learning the language of math?

  • Oddbio
  • · Replies 14 ·
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14

High School What are the best books for re-learning math?

  • MelvinDL86
  • · Replies 25 ·
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25

Graduate Dimensional Consistency in Grid Defintions

  • Wolfman29
  • · Replies 8 ·
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8

How do I find missing angles in trigonometry and geometry?

  • clhrhrklsr
  • · Replies 8 ·
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8

High School Ratios & Fractions: Understanding the Relationship

  • Miraj Kayastha
  • · Replies 1 ·
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1

Find $x$ for $\sum_{k=1}^{x}\lfloor{\sqrt[4]{k}}\rfloor=2x$

  • anemone
  • · Replies 1 ·
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1

Does the Polynomial $P(x)=x^3+mx^2+nx+k$ Have Three Distinct Real Roots?

  • anemone
  • · Replies 2 ·
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2

How to Find the Remainder of a Modulo Operation in Factorial Series?

  • Albert1
  • · Replies 3 ·
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3

Graduate Looking for Borwein's/Zucker's fast algorithm for the gamma function.

  • mesa
  • · Replies 4 ·
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4

Finding the difference of mixed measures

  • clhrhrklsr
  • · Replies 1 ·
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1

Undergrad Measuring distance between objects of known size in photo

  • HughT
  • · Replies 20 ·
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20

Undergrad How do we define trigonometric functions?

  • Mr Davis 97
  • · Replies 3 ·
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3

Physics: Calculate Emf, Electric Field in Magnetic Field

  • Fermat1
  • · Replies 3 ·
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3

Graduate Are fractals a dead-end area of maths?

  • nomadreid
  • · Replies 2 ·
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2

Undergrad The Geometric Intuition behind the Area Formula B*H=Area

  • davidbenari
  • · Replies 7 ·
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7

Undergrad Calculate Height of a Tree - Geometry

  • thender
  • · Replies 9 ·
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9

Solving $(a+b+c)^2$ for Positive $a,b,c$

  • anemone
  • · Replies 4 ·
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4

High School Every other odd number representation

  • gfd43tg
  • · Replies 6 ·
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6

Proving Inequality: $a^{2a}b^{2b}c^{2c} > a^{b+c}b^{c+a}c^{a+b}$

  • Albert1
  • · Replies 2 ·
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2

Graduate How does one pronounce "Nijenhuis"?

  • strangerep
  • · Replies 7 ·
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7

Challenging Applied maths question projectiles

  • lukesean
  • · Replies 3 ·
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3

Math website for fun by one of our members

  • I like Serena
  • · Replies 1 ·
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1

Graduate Is Mathematical Induction Proven Correctly for $S_{k+1}:2^{k+1}>(k+1)^2$?

  • ineedhelpnow
  • · Replies 7 ·
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7

Proving identities using demoivre's formula

  • Drain Brain
  • · Replies 4 ·
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4

Can you prove the inequality challenge?

  • anemone
  • · Replies 2 ·
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2

Undergrad How can I obtain the convolution output for an input function and operator?

  • AlecYates
  • · Replies 5 ·
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5

What is the value for $a+b$ in the Polynomial Challenge VI?

  • anemone
  • · Replies 7 ·
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7

Inverse Functions and "Verifying"

  • ardentmed
  • · Replies 1 ·
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1

What is the Domain for the Inverse of a One-to-One Function?

  • ardentmed
  • · Replies 1 ·
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1

High School Something funny I saw while grading

  • johnqwertyful
  • · Replies 15 ·
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15

Graduate Using Mathematical Induction to Prove a Summation Formula

  • ineedhelpnow
  • · Replies 5 ·
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5

What Do $V_i=L$ and $V_i=H$ Mean in CMOS Inverters?

  • aruwin
  • · Replies 2 ·
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2

Find All Possible Solutions to $A$: 9 Digit Number

  • Albert1
  • · Replies 5 ·
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5

High School Division by 0: A Puzzle That Has Baffled Us for Years

  • Nick_85
  • · Replies 7 ·
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7

Finding the Value of $n$ in a Rhombus $DBEF$

  • Albert1
  • · Replies 1 ·
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1

Calculating Screws Needed for 12" O/C Gutter on 100' Building

  • clhrhrklsr
  • · Replies 1 ·
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1

Graduate Integer solutions for multiple variable equations

  • MagnusM
  • · Replies 1 ·
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1

Undergrad Does this function have a name?

  • guysensei1
  • · Replies 8 ·
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8

High School Is It Proved That All Primes End With 1,3,7,9?

  • wellorderingp
  • · Replies 8 ·
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8

Undergrad What Are the Real-World Applications of Perfect Numbers Beyond Mersenne Primes?

  • matqkks
  • · Replies 2 ·
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2

Simultaneous Equations Challenge

  • anemone
  • · Replies 4 ·
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4

Undergrad Why is RMS used for averages when considering a sine wave?

  • iScience
  • · Replies 4 ·
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4