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

Vatha & Chris Ages: Solve to Find Out How Old They Are Now

  • historywept
  • · Replies 1 ·
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1

Find the Number When 2 and 12 Subtract the Number are Equal

  • historywept
  • · Replies 1 ·
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1

High School Why to write numbers in square roots and not in decimals?

  • pairofstrings
  • · Replies 4 ·
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4

Solving a Polynomial x^6 – 7x^3 + 12 by Factoring.

  • RidiculousName
  • · Replies 2 ·
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2

Undergrad Modular Forms-Fundamental Domain

  • binbagsss
  • · Replies 2 ·
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2

Undergrad A formula for the number of structures composed of n squares

  • ddddd28
  • · Replies 3 ·
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3

Tan (Theta - Pie) Answer Explained

  • captainnumber36
  • · Replies 2 ·
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2

How Can I Solve for x of y=cx+dx Using the Textbook Solution?

  • Rujaxso
  • · Replies 6 ·
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6

High School Inverse Functions vs Inverse Relations

  • opus
  • · Replies 4 ·
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4

Trig Graphing Questions: Given graph find the function

  • captainnumber36
  • · Replies 5 ·
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5

How to Simplify Rational Expressions with Variables

  • captainnumber36
  • · Replies 4 ·
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4

High School What's Wrong with this article on Stonehenge history?

  • jedishrfu
  • · Replies 6 ·
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6

High School Summation Rules: What Happens When k=0?

  • StevenJacobs990
  • · Replies 5 ·
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5

Undergrad Solving the Basel problem using Gauss's law

  • albertrichardf
  • · Replies 4 ·
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4

Undergrad Help creating a coordinate system for a robotic arm

  • Dreezy
  • · Replies 5 ·
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5

Undergrad What would Math Lecturers score on the Putnam?

  • Wi_N
  • · Replies 3 ·
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3

Rationalize expression (5+2√6)/(7+4√3)

  • parry
  • · Replies 2 ·
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2

What is the most motivating way to introduce primitive roots?

  • matqkks
  • · Replies 1 ·
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1

Undergrad Math papers to learn how to do new Mathematics

  • flamengo
  • · Replies 3 ·
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3

Undergrad What is the most motivating way to introduce primitive roots

  • matqkks
  • · Replies 1 ·
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1

Tricky equation a^2 = k(k-u)(k-v)(k-w) where 2k = u+v+w

  • Wilmer
  • · Replies 4 ·
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4

Find ∠A & ∠C in Triangle Geometry

  • Lemoine
  • · Replies 1 ·
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1

Undergrad Can the Ionians continue counting indefinitely while following their four rules?

  • Jehannum
  • · Replies 6 ·
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6

High School Maximize Happiness: Find Values of Expenses for Maximum Present Value

  • beamthegreat
  • · Replies 7 ·
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7

How to Prove a Trigonometric Identity Involving x, y, and z?

  • skcollins
  • · Replies 1 ·
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1

Undergrad What Functions Satisfy f(x)f(-x) = 1?

  • Mr Davis 97
  • · Replies 12 ·
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12

High School Cosine or Sine of (angle+angle) always equal to 1?

  • opus
  • · Replies 4 ·
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4

Undergrad Derive Pi: An Easy Guide Without Complex Math

  • Jatin Kaushal
  • · Replies 22 ·
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22

Find the Border of a Pond with an Area of 800 sq. m.

  • muntasir
  • · Replies 6 ·
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6

Why I Get X & Y Mixed Up When Plotting Graphs

  • Ziggletooth
  • · Replies 3 ·
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3

High School Polynomial degree and root relationship

  • I_laff
  • · Replies 4 ·
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4

Securing n Sheets with Thumbtacks: Can You Prove My Conjecture?”

  • mrtwhs
  • · Replies 1 ·
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1

Undergrad Name those trigonometric functions

  • dagmar
  • · Replies 9 ·
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9

Solving Evaluate 3 * sqr(2): Understanding the Method

  • Ziggletooth
  • · Replies 3 ·
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3

Math Pet Peeves: Share Yours Here!

  • S.G. Janssens
  • · Replies 17 ·
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17

Calculate Length of Median on Trapeze (48 cm)

  • GVdig
  • · Replies 5 ·
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5

Find Rhombus Angles: 360º & 22º30

  • Joostrea
  • · Replies 3 ·
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3

How to Calculate the Diagonal Length of a Parallelogram?

  • ZebraGa
  • · Replies 6 ·
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6

Undergrad Factoring a quartic polynomial over the reals

  • Mr Davis 97
  • · Replies 3 ·
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3

Graduate Under what topic can I ask about optimal control

  • LSMOG
  • · Replies 2 ·
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2

Graduate Euler Angles Transform: Rotating a Body in 3D Space

  • aydos
  • · Replies 4 ·
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4

Solving 4x+6=-10: Confused by -10?

  • izzy1014
  • · Replies 1 ·
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1

High School Area of a circle without calculus

  • mathman
  • · Replies 37 ·
2
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37

Undergrad Switching to Math -- "If you are the 50th best student in the class"....

  • crastinus
  • · Replies 3 ·
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3

Find side length, cirumference and area of octagon

  • Daugava
  • · Replies 3 ·
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3

Triangle: calculate angle between raised height and angle follower

  • HotPrompt
  • · Replies 6 ·
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6

Jack's Rhombus Ring Pattern: A Unique Geometric Design

  • bio
  • · Replies 2 ·
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2

Electrophiles vs. Nucleophiles

  • MermaidWonders
  • · Replies 6 ·
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6

High School Properties and Behaviors of an Object

  • pairofstrings
  • · Replies 1 ·
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1

Why is Pi an irrational number?

  • Kruidnootje
  • · Replies 13 ·
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13

Trigonometric-Identity Problem (Quick Question)

  • MIIF
  • · Replies 2 ·
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2

Drawing a pre-defined triangle that touches 3 pre-defined lines at all 3 points

  • Alaskan Son
  • · Replies 5 ·
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5

Undergrad Understanding the Semicolon Usage in Meijer's G-Function Notation

  • EngWiPy
  • · Replies 2 ·
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2

Graduate You can overfit anything with just one parameter

  • BWV
  • · Replies 1 ·
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1

Undergrad Linear combination of sin and cos

  • Mr Davis 97
  • · Replies 1 ·
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1

Undergrad Would the opposite of a perfect power be called a "root"?

  • Ventrella
  • · Replies 11 ·
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11

Secant and Tangent Angles in Circles, finding an arc length.

  • Cj111
  • · Replies 2 ·
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2

High School Are Prime Pairs Ending in 9 or 1 Derived from 20x2-1 Centred 10-Gonal Primes?

  • Janosh89
  • · Replies 11 ·
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11

Undergrad Why does the cross product operation adhere to the right-hand rule?

  • JTC
  • · Replies 8 ·
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8

Graduate Maxwell aphorism about Probability

  • Aleoa
  • · Replies 4 ·
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4

Show GCD of x,y,z is 1: Wave Hello!

  • evinda
  • · Replies 4 ·
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4
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1

High School Spending lots of time writing notes for trivial explanations

  • member 624364
  • · Replies 14 ·
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14

Undergrad What Is the Term for Increasing Angle Sides?

  • Devin Alexander
  • · Replies 3 ·
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3

High School Find Perpendicular Forces Given 20 N at 60 Degrees

  • Tori Hamilton
  • · Replies 3 ·
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3

High School Finding Radius from chord length and tangent distance

  • LT72884
  • · Replies 13 ·
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13

How to Solve ∛(7+5√2) - ∛(5√2-7) for Junior Olympiad?

  • ranga519
  • · Replies 4 ·
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4

High School Change in scales causing change in gradient?

  • Richie Smash
  • · Replies 7 ·
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7
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5

Solve V1=(V2-u)/(1-uV2/C2) for V2

  • jhanson58
  • · Replies 11 ·
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11

Thioester Isomer Count: ${C}_{4}{H}_{8}OS$ - 4 Possibilities

  • MermaidWonders
  • · Replies 5 ·
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5

Undergrad 2D Fourier transform orientation angle

  • roam
  • · Replies 3 ·
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3

Undergrad Can Non-Linear Functions Be Converted to Linear Systems?

  • TheoEndre
  • · Replies 10 ·
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10

Undergrad Any equation that fits in this shape? (variable concavity)

  • mikejm
  • · Replies 2 ·
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2

Undergrad A lot of exercises to understand topics (Math)

  • annaphys
  • · Replies 2 ·
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2

Undergrad Prove that complete graphs are subgraphs

  • Mr Davis 97
  • · Replies 2 ·
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2
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6

Challenge problem #4 Is it possible for all n switches to be on at the end

  • Olinguito
  • · Replies 2 ·
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2

Undergrad Explanation for parity difference for # of simple graphs

  • Mr Davis 97
  • · Replies 4 ·
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4

Undergrad A nonlinear recurrence relation

  • Wuberdall
  • · Replies 12 ·
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12

Graduate Calculating Distance from Hand Movements in Surgical Procedures

  • Ian Bloomfield
  • · Replies 14 ·
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14

Undergrad Understanding a Graph Theory Proof

  • Mr Davis 97
  • · Replies 3 ·
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3

High School Could someone verify how this simplifies?

  • TheGreatEscapegoat
  • · Replies 15 ·
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15

Undergrad Integer Cevians - Equilateral Triangles

  • danieldf
  • · Replies 2 ·
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2

Solve 2^3x+1=32: Find X Using Logs

  • blackfriars
  • · Replies 5 ·
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5

Cobb-Douglas Production Function

  • keytharr
  • · Replies 1 ·
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1

High School Optimizing Sum of Non-Abundant Numbers

  • Arman777
  • · Replies 18 ·
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18

Circumcircles Find a formula relating R,R_1,R_2.

  • mrtwhs
  • · Replies 2 ·
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2

Determine the values of f(6) and g(6)

  • laprec
  • · Replies 18 ·
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18

Undergrad How Do I Find the Slope and Intercept of this Crystal Formation Experiment?

  • WWGD
  • · Replies 16 ·
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16

Create an equation for the graph using the y = ae^(bx)cos(cx)

  • em2682
  • · Replies 9 ·
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9

High School Equations vs. Functions Quadratic and Cubic?

  • shintashi
  • · Replies 6 ·
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6

High School Fermat's little theorem proof?

  • Cheesycheese213
  • · Replies 1 ·
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1

Keeping track of different mathematical works

  • Akash Pratap Singh
  • · Replies 4 ·
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4
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6

High School How do you multiply percents on paper

  • jim1174
  • · Replies 4 ·
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4

Stuck solving a complex equation for T

  • CallmeSam
  • · Replies 7 ·
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7

Write 2.158 radians in terms of Pi

  • yeny
  • · Replies 2 ·
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2

Geometric Sequence find the 23rd term.

  • mathdad
  • · Replies 3 ·
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3

Challenge problem #2 Show that 5φ^2n+4(−1)^n is a perfect square

  • Olinguito
  • · Replies 3 ·
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3