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

Graduate Proof using mathematical induction

  • cdummie
  • · Replies 11 ·
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11

High School Understanding the Truth behind 2 ≥ √2

  • brycenrg
  • · Replies 3 ·
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3

Is this equation true for positive values of x and y?

  • cbarker1
  • · Replies 1 ·
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1

Undergrad What is the significance of the diagonal line in Cobweb Diagrams?

  • mr.tea
  • · Replies 5 ·
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5

Undergrad Can you solve the hardest logic problem?

  • Willelm
  • · Replies 26 ·
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26

Undergrad What is the Calculation for 3D Slope?

  • caters
  • · Replies 3 ·
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3

Insights Questions About Infinity - Comments

  • micromass
  • · Replies 15 ·
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15

High School Why is my equation not working for finding the angles of a triangle?

  • LogarithmLuke
  • · Replies 2 ·
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2

Solve NPV for Costs | Mike's Question

  • myklfitz
  • · Replies 1 ·
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1

Solve Algebra Quadratics: Get Solutions & Answers

  • leads
  • · Replies 1 ·
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1

Learning Math: Best Practices for New Grad Students

  • E01
  • · Replies 1 ·
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1

Book of Odd, Volume I | 1700 TVM formulas

  • AbrahamA
  • · Replies 4 ·
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4

Undergrad General Solution To Three Simultaneous Equations

  • DavidZuccaro
  • · Replies 4 ·
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4

NEW Beginner's Trigonometry Identities Problem

  • courtbits
  • · Replies 3 ·
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3

Real Zeros of a Polynomial Function

  • Taryn1
  • · Replies 8 ·
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8

Prove Inequality: IMO $\frac{1}{x^4}+\cdots \geq \frac{128}{3(x+y)^4}$

  • anemone
  • · Replies 5 ·
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5

Prove Triangle BAD = CEA: Tips & Maths Class Help

  • Mathick
  • · Replies 2 ·
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2

High School Is There a Way to Simplify This Equation Online?

  • DavidZuccaro
  • · Replies 3 ·
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3

Graduate Complexity of Go: Calculating the Game Tree Estimate

  • Astudious
  • · Replies 1 ·
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1

High School Need help identifying which algebra rule was used

  • LogarithmLuke
  • · Replies 5 ·
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5

Graduate How is this proof finished? I was told it is proven

  • AcousticBruce
  • · Replies 4 ·
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4

Graduate Coordinate translation on a rotating plane

  • newjerseyrunner
  • · Replies 1 ·
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1

High School What is the concept of infinity in mathematics?

  • Hamza Abbasi
  • · Replies 4 ·
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4

Sketching absolute value graph

  • GusGus335
  • · Replies 1 ·
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1

High School Is Choice A Correct for Comparing GRE Math Quantities?

  • MartinV279
  • · Replies 8 ·
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8

Undergrad Understanding Infinity: Is Every Number Included?

  • DaMeekie
  • · Replies 1 ·
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1

Simple Trigonometric Identities

  • courtbits
  • · Replies 9 ·
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9
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1

Graduate Discrete-Time Waveforms: Properties & Conditions

  • RaduAndrei
  • · Replies 4 ·
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4

Graduate How does the Kalman filter calculate derivatives?

  • haael
  • · Replies 3 ·
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3

Right Triangle: Proving It's a Right Triangle

  • anemone
  • · Replies 10 ·
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10

High School A strange inconsistency when calculating area with decimals

  • dmehling
  • · Replies 3 ·
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3

Undergrad What is a frequency domain and s domain?

  • KittuTarun
  • · Replies 1 ·
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1

Undergrad What's the logic behind partial fraction decomposition?

  • A.MHF
  • · Replies 2 ·
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2

Insights Is there a rigorous proof of 1 = 0.999....? - Comments

  • micromass
  • · Replies 9 ·
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9

Undergrad Is Infinity Divided by Infinity Equal to 1?

  • Einstein's Cat
  • · Replies 5 ·
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5

High School Natural Logarithms: Are They Equal to Other Logarithms?

  • funlord
  • · Replies 6 ·
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6

High School Can a^0 Equal 1? A Simple Proof

  • brunopinto90
  • · Replies 26 ·
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26

Help Needed: Calculating Speed After Motorcycle Accident

  • bikerguy
  • · Replies 4 ·
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4

Undergrad Gimblestitch Archmage's Amusing Number Theorem

  • Gimblestitch
  • · Replies 7 ·
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7

Water Displacement Volume question

  • akarikairi
  • · Replies 2 ·
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2

Undergrad Circle in the Euclidean space using Euler's Number

  • OrthoJacobian
  • · Replies 3 ·
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3

Prove: Inequality $9\gt \sqrt{a-1}+\sqrt{19-3a}+\sqrt{2a+9}$

  • anemone
  • · Replies 2 ·
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2

Black Plastic Lid - Measurement Ratio

  • shamieh
  • · Replies 2 ·
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2

High School Is f(x) a function or a value?

  • Nicocin
  • · Replies 12 ·
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12

Undergrad Which One Time Pad Cipher Would Be "Most Unbreakable" ?

  • Point Conception
  • · Replies 2 ·
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2

Graduate Form factored of the polynomial discriminant

  • Bruno Tolentino
  • · Replies 2 ·
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2

High School How to Find This without Calculator?

  • basty
  • · Replies 6 ·
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6

High School Does a cone cut from a sphere have a name?

  • Grimble
  • · Replies 4 ·
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4

Undergrad What does " to first order" mean ?

  • dyn
  • · Replies 1 ·
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1

Some miscallenous multi choice questions

  • Fermat1
  • · Replies 3 ·
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3

Undergrad The Power of Math: How It Shapes Our World

  • Satonam
  • · Replies 7 ·
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7

Daughter's 6th grade homework question.

  • teddunner
  • · Replies 4 ·
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4

Undergrad Solving Nonlinear System: \alpha,\beta,\gamma from A,B,C

  • Bruno Tolentino
  • · Replies 4 ·
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4

Graduate Important pi question (when these numbers will reoccur)

  • 9I.
  • · Replies 3 ·
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3

High School Converting cubic cm to cubic m and kg/m^3 to g/cm^3 etc

  • Cliff Hanley
  • · Replies 8 ·
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8

Proving $(x^2+1)(y^2+4)(z^2+9) \ge 100$ for $6x+3y+2z=10+xyz$

  • anemone
  • · Replies 2 ·
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2

Graduate How can we converge to transcendental numbers beyond e?

  • Bob3141592
  • · Replies 5 ·
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5

High School Converting decimals to fractions

  • Cliff Hanley
  • · Replies 7 ·
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7

Please evaluate this license plate option =D

  • RedneckPhysics
  • · Replies 3 ·
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3

Graduate Square numbers between n and 2n -- Check my proof please

  • Raffaele
  • · Replies 5 ·
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5

Finding Domain of f(x)=\frac{1}{x^{2}-x-6}

  • badatmath
  • · Replies 5 ·
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5

Graduate Sum of number of divisors of first N natural numbers

  • suchith
  • · Replies 4 ·
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4

Prove Inequality: $(x+y)^2/2+ (x+y)/4 \ge x\sqrt{y}+y\sqrt{x}$

  • anemone
  • · Replies 6 ·
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6

Undergrad Without any loss of generality

  • Kostas Tzim
  • · Replies 4 ·
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4

Find the Ratio of $\overline{BD}: \overline{CD}$ in $\triangle ABC$

  • Albert1
  • · Replies 2 ·
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2

Graduate Proving $\sqrt{2}+\sqrt{3} \gt \pi$: A Mathematical Challenge

  • anemone
  • · Replies 6 ·
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6

Undergrad What is the mathematical proof behind the value of Pi?

  • Stephanus
  • · Replies 30 ·
2
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30

Undergrad The Trigonometery functions in other presentation

  • DaniV
  • · Replies 2 ·
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2

Undergrad Finding Loci of Centres in Ellipses: Can You Help?

  • gianeshwar
  • · Replies 14 ·
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14

Sum of 1/n2 or 61/36: Which is Bigger?

  • Albert1
  • · Replies 3 ·
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3

Graduate Solving this set of trigonometric equations

  • Kallol
  • · Replies 3 ·
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3

Undergrad Cubic Formula: Is There a Unique Way to Write It?

  • Bruno Tolentino
  • · Replies 1 ·
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1

Finding $x$ and $y$ Given $A, G, H \in N$ and $A+G+H=49$

  • Albert1
  • · Replies 3 ·
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3

Undergrad Simplifying √(x-2)² in a rational expression

  • Mr Davis 97
  • · Replies 4 ·
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4

Max n for Sum of 3 Numbers Multiple of 27 in A

  • Albert1
  • · Replies 2 ·
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2

Undergrad What is the optimal way to divide a picture into jigsaw puzzle pieces?

  • DaveC426913
  • · Replies 11 ·
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11

Graduate Cyclic Permutations: εijk, Even or Odd?

  • Karol
  • · Replies 2 ·
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2

Uncovering Solutions for x and y in Nonlinear Equations

  • Albert1
  • · Replies 1 ·
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1

High School I have a quick question on square roots.

  • DTRapture
  • · Replies 9 ·
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9

How to find a general solution to sec2 2x = 1– tan 2x

  • arejet
  • · Replies 2 ·
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2
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8

Undergrad Order of transformation of functions?

  • Mr Davis 97
  • · Replies 5 ·
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5

High School Bidmas (brackets; indices; divide/multiply; add/subtract)

  • Cliff Hanley
  • · Replies 8 ·
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8

Undergrad Value of studying number theory?

  • Mirero
  • · Replies 7 ·
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7

How do I adjust the image rotation on this webpage?

  • ranjan69
  • · Replies 5 ·
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5

Graduate Showing that the Ratio of Two Expressions is Always Greater Than 1

  • brainpushups
  • · Replies 3 ·
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3
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2

High School Technical Order of Operation Question

  • starrynight108
  • · Replies 19 ·
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19

Proving $x^2+y^2\ge 2$ with Given $x^3-y^3=2$ and $x^5-y^5\ge 4$

  • anemone
  • · Replies 2 ·
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2

High School Using triangulation to find distance....

  • ViolentCorpse
  • · Replies 13 ·
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13

A Fact I Observed While Looking at the Proof of the Pythagorean Theorem.

  • caffeinemachine
  • · Replies 6 ·
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6

High School Where Can I Find Comprehensive Math Resources for Re-learning?

  • Ben Cohen
  • · Replies 14 ·
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14

Solve Trig Word Problem: Acre Parcel Sides 180 & 240 ft

  • karush
  • · Replies 1 ·
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1

Graduate Solve Trigonometric Problem for Dynamics: 4th Hint Equation

  • manongistong
  • · Replies 2 ·
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2

Undergrad England's Court of Appeal Rules On Meaning of 'One'

  • StevieTNZ
  • · Replies 6 ·
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6
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2
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3

Trying to reverse structure a calculation to arrive at original variable

  • lsargent
  • · Replies 2 ·
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2

High School What Are the Nuances of Mathematical Symbols and Their Applications?

  • jaysquestions
  • · Replies 5 ·
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5