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

How Can You Solve Complex Trigonometric Equations?

  • anemone
  • · Replies 3 ·
Replies
3

Solve the system a² + b² = 2c, 1 + a² = 2ac, c² = ab

  • anemone
  • · Replies 3 ·
Replies
3

High School Problems changing my whole outlook on math

  • A.J.710
  • · Replies 11 ·
Replies
11

Smallest K in N with 32 Divisors

  • mathworker
  • · Replies 3 ·
Replies
3

Using Properties of Real Numbers: Justifying Equalities

  • paulmdrdo1
  • · Replies 2 ·
Replies
2

Properties of the equivalence relation

  • paulmdrdo1
  • · Replies 6 ·
Replies
6

How many spheres are in a tetrahedral stack and what is its height?

  • MarkFL
  • · Replies 8 ·
Replies
8

High School Power rules for radical roots and rational exponents.

  • Zalajbeg
  • · Replies 6 ·
Replies
6

Undergrad Ordinary Induction vs Complete Induction

  • Seydlitz
  • · Replies 5 ·
Replies
5

Undergrad Mastering the Art of Proofs: Tips for Struggling Learners

  • 462chevelle
  • · Replies 11 ·
Replies
11

Law of sines: Unambiguous case

  • SweatingBear
  • · Replies 4 ·
Replies
4

Undergrad Dividing Infinity by Infinity: What is the Result?

  • adjacent
  • · Replies 5 ·
Replies
5

Is This the Toughest Math Riddle Ever?

  • Jrthedawg
  • · Replies 1 ·
Replies
1

Graduate Why commas are placed every third digit

  • chadwick04
  • · Replies 5 ·
Replies
5

High School Confusing Solid And Plane Angles

  • Kehsibashok
  • · Replies 2 ·
Replies
2

Suggestions for Analytic Geometry books

  • paulmdrdo1
  • · Replies 1 ·
Replies
1

Divide ABCDE into two parts with equal area

  • Albert1
  • · Replies 6 ·
Replies
6
Replies
4

High School Dividing by trigonometric functions

  • frozonecom
  • · Replies 3 ·
Replies
3

High School Verifying I2=1: Right or Wrong?

  • ranjitnepal
  • · Replies 6 ·
Replies
6

Can the Harmonic Sum be Proven Using a Newer Method?

  • alyafey22
  • · Replies 6 ·
Replies
6

Inequality Challenge: Prove 1/44 > 1/1999

  • anemone
  • · Replies 2 ·
Replies
2

Undergrad How do you create a perfect sphere?

  • Xyooj
  • · Replies 19 ·
Replies
19

Undergrad What is the Tangent Weight of a Spline?

  • vee6
  • · Replies 5 ·
Replies
5

Solving a System of Equations in N to Find a,b,c

  • Albert1
  • · Replies 3 ·
Replies
3

Forgetting Problems on Tests: Is It Normal?

  • Tyrion101
  • · Replies 6 ·
Replies
6
Replies
2

How can we factor $\displaystyle x^4 + 1$ into the difference of two squares?

  • paulmdrdo1
  • · Replies 3 ·
Replies
3

Converting a repeating decimal to ratio of integers

  • paulmdrdo1
  • · Replies 10 ·
Replies
10

Graduate How Riemann hypothesis would break internet security?

  • Avichal
  • · Replies 4 ·
Replies
4

Divisibility and Digit Counting: Solving the Five-Digit Number Challenge

  • anemone
  • · Replies 2 ·
Replies
2

Comparing Fractions with Large Numerators and Denominators

  • anemone
  • · Replies 2 ·
Replies
2

Can Two Numbers with Co-Prime Totients Always Be Found?

  • mathworker
  • · Replies 8 ·
Replies
8

How Can the Area of a Quadrilateral Be Bounded by Its Side Lengths?

  • Albert1
  • · Replies 4 ·
Replies
4

Undergrad Is There a Formula for Prime Number Factorization?

  • MathJakob
  • · Replies 3 ·
Replies
3

High School How to derive the surface area of a sphere?

  • mesa
  • · Replies 20 ·
Replies
20

Why Are Square Roots of Cubes Not Always Equal?

  • Yankel
  • · Replies 5 ·
Replies
5

Undergrad Equivalent form for Binomial Expression?

  • eddybob123
  • · Replies 1 ·
Replies
1

How would you simplify this logarithmic expression?

  • paulmdrdo1
  • · Replies 5 ·
Replies
5

Can This Product Inequality Be Proven for Positive x and Natural n?

  • Albert1
  • · Replies 3 ·
Replies
3

Solve x^3-3x=\sqrt{x+2}: Get Help Here!

  • anemone
  • · Replies 15 ·
Replies
15

How Do You Solve for k in a Logarithmic Function with a Given Inverse?

  • karush
  • · Replies 3 ·
Replies
3

Graduate Interchanging a position between two reference frames?

  • ato
  • · Replies 2 ·
Replies
2

Triangle and circle length and areas

  • karush
  • · Replies 10 ·
Replies
10

Undergrad Question regarding cross-linear interpolation

  • mattskie
  • · Replies 1 ·
Replies
1

Finding the Sum of Real Numbers Satisfying Cubic Equations

  • anemone
  • · Replies 5 ·
Replies
5

High School Struggling with Math: Any Book Recommendations?

  • Atran
  • · Replies 13 ·
Replies
13

Can You Match Constants to This Cubic Polynomial?

  • anemone
  • · Replies 9 ·
Replies
9

High School If x<1 what is the maximum value of x?

  • I_am_learning
  • · Replies 6 ·
Replies
6

Undergrad Relative orientation of two vectors

  • xonxt
  • · Replies 8 ·
Replies
8

Undergrad Solving Oblique Triangles w/o Law of Sines/Cosines

  • KC60523
  • · Replies 3 ·
Replies
3

Ivyrianne's question at Yahoo Answers regarding finding a circle

  • MarkFL
  • · Replies 1 ·
Replies
1

Finding the Least Residue of 3^215 (mod 65537)

  • toni07
  • · Replies 2 ·
Replies
2

Prove Inequality: $x^4,y^4,z^4 \geq 48(y-1)^2(z-1)^2(x-1)^2$

  • Albert1
  • · Replies 2 ·
Replies
2

My methods for solving the July 8, 2013 High School POTW

  • MarkFL
  • · Replies 4 ·
Replies
4

High School What is the Meaning of ##:=## in Mathematics?

  • Von Neumann
  • · Replies 5 ·
Replies
5

Graduate How does the Triangle Inequality apply in this situation?

  • Seydlitz
  • · Replies 4 ·
Replies
4

Equations with rational degrees

  • mathmaniac1
  • · Replies 12 ·
Replies
12

Undergrad Which mathematicians were most responsible for formalizing mathematics

  • susskind99
  • · Replies 6 ·
Replies
6

Dividing a Quadrilateral into Equal Parts

  • Albert1
  • · Replies 3 ·
Replies
3

Is this proof of x² - y² = 270 being unsolvable valid?

  • SweatingBear
  • · Replies 4 ·
Replies
4

Position time graphs for different acceleration

  • mathmaniac1
  • · Replies 22 ·
Replies
22
Replies
1

Undergrad Help with a cartesian problem to find a geocache.

  • ibslingshot
  • · Replies 1 ·
Replies
1

Proving the Existence of K for Prime P and 10^K Mod P = 1

  • mathworker
  • · Replies 13 ·
Replies
13

Can You Find All 3 Digit Numbers Divisible by 11 with a Special Property?

  • anemone
  • · Replies 2 ·
Replies
2

Change a Pentagon into a Triangle with Equal Area

  • Albert1
  • · Replies 5 ·
Replies
5

High School Why Do I Get Different Results When Calculating Powers and Indices?

  • peterspencers
  • · Replies 3 ·
Replies
3

Geometric Sequences help - (3 given terms, find the rest)

  • jaxx
  • · Replies 18 ·
Replies
18

Graduate I came up with a cool parametric equation

  • sgfw
  • · Replies 1 ·
Replies
1

High School How to check algebraic long division?

  • Tyrion101
  • · Replies 3 ·
Replies
3

Products and Sums and Proofs....oh, my

  • MarkFL
  • · Replies 5 ·
Replies
5

High School Probability: Heads 5x in a Row - Illusion or Reality?

  • malignant
  • · Replies 23 ·
Replies
23

Evaluating Trigonometric Expression

  • anemone
  • · Replies 2 ·
Replies
2

High School Predict Next Number in Sequence - 4

  • msticky
  • · Replies 12 ·
Replies
12

Graduate Radix Economy of Complex Bases

  • SubZir0
  • · Replies 2 ·
Replies
2

How do you solve the recurrence relation P(n) = 1 + 5n by induction?

  • Fernando Revilla
  • · Replies 1 ·
Replies
1

Find The Smallest Natural Number

  • anemone
  • · Replies 4 ·
Replies
4

Distance from Oakville to Sudbury: 550km, 8h

  • bkan21
  • · Replies 3 ·
Replies
3

High School Confusion with product-to-sum trig identities

  • Jyan
  • · Replies 3 ·
Replies
3

Prove Parallelogram Point P's Angles are Equal

  • Albert1
  • · Replies 1 ·
Replies
1

High School Can the GCD and Euclidean Algorithm Solve Real Life Problems?

  • matqkks
  • · Replies 11 ·
Replies
11

Undergrad Can My Ideas Be Stolen or Plagiarized From These Forums?

  • Sagan_
  • · Replies 8 ·
Replies
8

Graduate What is the pattern in factorials and squares?

  • karpmage
  • · Replies 1 ·
Replies
1

Can you prove this trigonometric inequality?

  • MarkFL
  • · Replies 10 ·
Replies
10

High School How to rearrange this equation?

  • medougie
  • · Replies 3 ·
Replies
3

High School What is the intuition behind n^0 and why is it equal to 1?

  • iScience
  • · Replies 4 ·
Replies
4

High School Did I Multiply My Tickets Correctly?

  • StevieTNZ
  • · Replies 2 ·
Replies
2

Undergrad Understanding if you come up with an equation or an identity

  • Giuseppe_97
  • · Replies 8 ·
Replies
8

Graduate How and what to teach on a first year elementary number theory course.

  • matqkks
  • · Replies 2 ·
Replies
2

High School Wanting to understand too much

  • chemistry1
  • · Replies 9 ·
Replies
9

High School Why Does (0+1)! Equal 1 in Mathematics?

  • iScience
  • · Replies 4 ·
Replies
4

Find A Polynomial With Lowest Degree

  • anemone
  • · Replies 4 ·
Replies
4

Solving Absolute Value Inequalities: Steps & Link to Yahoo! Answers

  • Fernando Revilla
  • · Replies 1 ·
Replies
1

High School How to re-arrange formula with an exponent

  • wally6767
  • · Replies 4 ·
Replies
4

Undergrad Defining geometry within a cartesian coordinate system

  • Technical UK
  • · Replies 10 ·
Replies
10

Equation: √(x+13) - √(7-x) = 2

  • SweatingBear
  • · Replies 6 ·
Replies
6

Prove: Quadratic Inequality of Points on Semicircle O

  • Albert1
  • · Replies 2 ·
Replies
2

Suggestions for algebra books.

  • paulmdrdo1
  • · Replies 2 ·
Replies
2

Prove Sum and Difference Sine?

  • Farmtalk
  • · Replies 7 ·
Replies
7