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

Can You Determine the Value of A When B Equals 4 in a Trigonometric Equation?

  • NotaMathPerson
  • · Replies 4 ·
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4

High School Showing all solutions to a cubic equation

  • Mr Davis 97
  • · Replies 5 ·
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5

High School Solving equations with radicals (extraneous solutions)

  • Mr Davis 97
  • · Replies 2 ·
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2

Undergrad Involute Equation: Is This Correct?

  • askor
  • · Replies 11 ·
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11

Geometry problem midpoint theorem

  • mathlearn
  • · Replies 8 ·
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8

Undergrad Define Dot Product: A.B = ||A|| ||B|| cos(theta)

  • parshyaa
  • · Replies 4 ·
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4

Prove Inequality Challenge: $x,y,z,w > 0$

  • Albert1
  • · Replies 2 ·
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2

Proving $f(2) \geq 27$ with Positive Coefficients

  • Albert1
  • · Replies 1 ·
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1

Can Isosceles Triangles Solve This Geometry Problem?

  • karush
  • · Replies 3 ·
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3

High School What would you call this sample?

  • crraaig
  • · Replies 9 ·
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9

High School What properties do prime numbers exhibit?

  • Faiq
  • · Replies 6 ·
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6

Proof Quest: Non-Equilateral Triangle Enclosing Point Z

  • frusciante
  • · Replies 3 ·
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3

Triangle side terms and area inequality

  • frusciante
  • · Replies 2 ·
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2

Solving for Real Solutions: x^2 − 10x + 1 = (x + 1)√x

  • anemone
  • · Replies 2 ·
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2

The most beautiful formula of all

  • fresh_42
  • · Replies 13 ·
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13

Prove $b^2-c^2\leq2a^2$ in $\triangle ABC$

  • Albert1
  • · Replies 1 ·
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1
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2

High School Proofs: Hypotenuse is the longest side of a right triangle

  • julian
  • · Replies 17 ·
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17

Simplifying expression with exponents

  • tmt1
  • · Replies 3 ·
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3

Number of Solutions of $\sin^4 x+\cos^7 x=1$

  • juantheron
  • · Replies 3 ·
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3

Find the angle BHL using trigonometry

  • mathlearn
  • · Replies 20 ·
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20

Undergrad Boost Your Math Skills: Suggested Sites for Algebra & Calculus Practice

  • Scraps
  • · Replies 1 ·
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1

Simplifying Expression: $(-1)^n/(4^n)n(-4)^n$ - Explained

  • tmt1
  • · Replies 2 ·
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2

Graduate The physical constants: relationship to mathematics?

  • CuriousLearner
  • · Replies 4 ·
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4

Undergrad Need formula for Spiral Orange Juice Can

  • bsmith6356
  • · Replies 4 ·
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4

Olympiad Inequality Challenge

  • anemone
  • · Replies 2 ·
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2

Calculating the Height of a Trapezium Using Given Side Lengths

  • mathlearn
  • · Replies 1 ·
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1

Problem on Simultaneous equations

  • mathlearn
  • · Replies 8 ·
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8

Calculation of concentration unit

  • Lassy
  • · Replies 1 ·
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1

Problem on Parallelogram proof

  • mathlearn
  • · Replies 8 ·
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8

Factoring Fractions: Simplifying Equations with Cancellation

  • mathlearn
  • · Replies 9 ·
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9
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4

Calculating Volume of a Solid by Subtracting Volumes of Basic Shapes

  • mathlearn
  • · Replies 3 ·
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3

High School Ratio of circumference to diameter for infinitely large circ

  • Darkmisc
  • · Replies 6 ·
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6

Is the Binomial Coefficient Test a Reliable Prime Indicator?

  • RLBrown
  • · Replies 1 ·
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1

Solving for $z_1^*$: Argand Diagram

  • fordy2707
  • · Replies 5 ·
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5

Undergrad Euler's equation not making sense

  • fractalzen
  • · Replies 2 ·
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2

Range of Values For Inequalities

  • kc1895
  • · Replies 1 ·
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1

Graduate What is the basis for bessel function as we have for wavelet

  • Gunjang123
  • · Replies 3 ·
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3

Inequality Involves The Sides Of Triangle

  • anemone
  • · Replies 13 ·
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13

High School Finding W from an equation rearranger result

  • kieyard
  • · Replies 1 ·
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1

High School How to convert a fraction into a repeating decimal

  • Mr Davis 97
  • · Replies 9 ·
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9

Proving Inequality for All $n \ge 1$

  • tmt1
  • · Replies 3 ·
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3

High School Why is the common difference of an arithmetic sequence relatively prime to 3?

  • Mr Davis 97
  • · Replies 1 ·
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1

Question on Isolating Variables

  • Duckfan
  • · Replies 3 ·
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3

High School Adding Fractions: Simplifying ((k/2k+1)+(1/(2k)(2k+2))=((k+1)/(2k+2))

  • PhysicsBoyMan
  • · Replies 5 ·
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5

High School Percentage of antifreeze in cooling system

  • member 534986
  • · Replies 8 ·
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8

High School Programs like Wolfram but offline

  • MAGNIBORO
  • · Replies 8 ·
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8

Evaluate a floor function involving trigonometric functions

  • anemone
  • · Replies 2 ·
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2

High School Calculate Force of Car Crash: Bill's Story

  • William SP11
  • · Replies 1 ·
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1

Integer Find x,y for $y^2+2y=x^4+20x^3+104x^2+40x+2003$

  • kaliprasad
  • · Replies 4 ·
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4

High School Can Geometric Progressions Starting from One Sum to a Perfect Square?

  • Medtner
  • · Replies 4 ·
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4

High School Problems in finding divisors using permutation,combination

  • Shafia Zahin
  • · Replies 1 ·
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1

Solve Exponent Problem: 3^x=4^y=12^z

  • Bushy
  • · Replies 1 ·
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1

High School Pythagorean triples that sum to 60

  • Mr Davis 97
  • · Replies 2 ·
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2

Finding all solutions to cos(x) + 2cos²(x) = 0 on [0, 6π]

  • fordy2707
  • · Replies 4 ·
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4

High School Indexing Sequences: Do We Start at 0 or 1?

  • Mr Davis 97
  • · Replies 3 ·
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3

Help with finding the value of n

  • angelcause
  • · Replies 4 ·
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4

Diagram: Construct Circle w/ 9 Equal Parts

  • Albert1
  • · Replies 1 ·
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1

Equality of natural ln function

  • tmt1
  • · Replies 1 ·
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1

Graduate Can PWM sine pulses be generated without a lookup table?

  • intervoxel
  • · Replies 5 ·
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5

Verifying the Equality for n = 2: Is the Equation Correct?

  • tmt1
  • · Replies 3 ·
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3

High School Is ##\frac{0}{\infty}## equal to 0 or infinity in mathematics?

  • Rectifier
  • · Replies 25 ·
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25

Undergrad General formula for centre of mass of polygons

  • Happiness
  • · Replies 1 ·
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1

Seeking Help with a Calculation

  • PeterJ1
  • · Replies 7 ·
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7

Can Trigonometric Inequalities Be Proven with Simple Equations?

  • anemone
  • · Replies 2 ·
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2

Undergrad Procedurally generated polynomial functions

  • JMS1
  • · Replies 7 ·
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7
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5

Undergrad Overlapping subproblems vs non overlapping -divide & conquer

  • lsepolis123f
  • · Replies 4 ·
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4

Undergrad Construction of a pentagon using only the grid system

  • Scotti G
  • · Replies 9 ·
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9

Real Solutions for a Complex System

  • anemone
  • · Replies 2 ·
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2

Prove The Product Is Greater Than 5

  • anemone
  • · Replies 4 ·
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4

Undergrad Calculating Radial Distance to Midpoint of a Straight Line on an Octagon

  • emmasaunders12
  • · Replies 12 ·
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12
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2

Undergrad Prove Pappus's centroid theorems without calculus

  • Happiness
  • · Replies 3 ·
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3

Undergrad Question ,trigonometric identities equation and functions ?

  • awholenumber
  • · Replies 4 ·
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4

Undergrad Is this a Trigonometric Identity?

  • ecastro
  • · Replies 20 ·
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20

Undergrad Lemma regarding polynomials with one for all coefficients

  • jack476
  • · Replies 4 ·
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4

High School Understanding Functions: Why We Call it a Function?

  • jenniferAOI
  • · Replies 18 ·
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18

Prove Inequality: $x^2y\,+\,y^2z\,+\,z^2x \ge 2(x\,+\,y\,+\,z) - 3$

  • anemone
  • · Replies 2 ·
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2

Undergrad Minimize |n-2^x*3^y| over the integer

  • a1call
  • · Replies 5 ·
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5

Which Equation Represents a Line Parallel to 3y-1=2x?

  • flnursegirl
  • · Replies 5 ·
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5

How long did the plane fly at 115 mph on a 246-mile trip with varying speeds?

  • flnursegirl
  • · Replies 8 ·
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8

Undergrad Integer partitioning problem - for fun

  • Pepper Mint
  • · Replies 2 ·
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2

Online game programming issues.

  • danielmchugh
  • · Replies 6 ·
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6

Prove $m^5+3m^4n-5m^3n^2-15m^2n^3+4mn^4+12n^5$ ≠ 33

  • anemone
  • · Replies 2 ·
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2

Solving equation involving permutation and combination

  • NotaMathPerson
  • · Replies 3 ·
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3

Understanding Squaring Inequalities

  • tmt1
  • · Replies 2 ·
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2

Undergrad Dividing quadratic with linear

  • rajeshmarndi
  • · Replies 3 ·
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3

High School How Can 4(x + 1/2)^2 + 1 Be (2x + 1)^2 + 1?

  • askor
  • · Replies 1 ·
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1

Undergrad Which is the best site to share your scientific ideas

  • parshyaa
  • · Replies 6 ·
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6

Undergrad How to know if a polynomial is odd or even?

  • PhysicsBoyMan
  • · Replies 8 ·
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8

Co-prime Numbers in a Series of 10

  • kaliprasad
  • · Replies 2 ·
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2

Undergrad Hyperbola: Definition & Math Understanding

  • parshyaa
  • · Replies 6 ·
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6

Undergrad Are all line segments truly equal?

  • thinkandmull
  • · Replies 5 ·
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5

Undergrad Identify same values of two quadratic equation

  • rajeshmarndi
  • · Replies 10 ·
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10

High School I can't do arithmetic operations in my head quickly

  • TheMathNoob
  • · Replies 12 ·
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12

Undergrad Interesting property of idempotent 10-adic number

  • Happiness
  • · Replies 9 ·
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9

What Is the Minimum Value of $f$ with Given Conditions?

  • Albert1
  • · Replies 2 ·
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2
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7