Precalculus Mathematics Homework Help Forum

Free pre-calculus mathematics homework help from qualified mentors. Math courses prior to calculus homework. Please use the template when requesting help and show your work.

Threads

Find all ordered pair of integers for a diophantine equation

  • choob
  • · Replies 4 ·
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4

How do I simplify this boolean function using the rules of boolean algebra?

  • Ownaginatious
  • · Replies 2 ·
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2

Profit function for widget production and cost increases

  • CanaBra
  • · Replies 1 ·
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1
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4

Does cos^4 x = 0.25 + (cos 2x)/2 + (cos 4x + 1)/8?

  • Chewy0087
  • · Replies 5 ·
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5
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2

Proving Inequality: x1, x2, y1, y2 Non-zero Constants

  • skeeterrr
  • · Replies 1 ·
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1

Solving for Prove That x^4+x^3y+x^2y^2+xy^3+y^4>0

  • nietzsche
  • · Replies 8 ·
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8

Area of Window w/ Perimeter 15ft: Function of Side Length

  • skeeterrr
  • · Replies 4 ·
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4

Why does ln(e) equal 1?

  • Nyasha
  • · Replies 1 ·
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1

Prove the formula for the maximum of two numbers

  • nietzsche
  • · Replies 12 ·
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12

Prove x² + xy + y² > 0 when x and y are not both zero

  • nietzsche
  • · Replies 12 ·
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12

Composite Functions: f o g (x) = Abs(x), f(x) = root(x), g(x) = Abs(x)

  • Larrytsai
  • · Replies 3 ·
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3
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1

Exponential Equations with Constraints: Finding the Sum of Two Exponents

  • yoleven
  • · Replies 5 ·
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5

Long division where the quotient is larger than the dividend

  • ctamasi
  • · Replies 21 ·
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21

How do you simplify fractions with negative exponents?

  • Biaach
  • · Replies 21 ·
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21
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5

Factoring/Proving an inequality

  • Matthollyw00d
  • · Replies 22 ·
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22

Find Angles for sin \theta=-0.0135

  • TrueStar
  • · Replies 4 ·
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4

Finding g(x) given f(x) and g(f(x))

  • Precursor
  • · Replies 3 ·
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3

Eigenvalues of a 4x4 matrix and the algebraic multipicities

  • andrelutz001
  • · Replies 2 ·
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2

Inverse function containing square root

  • ephedyn
  • · Replies 5 ·
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5

How Do You Solve Inverse Functions in Algebra Problems?

  • kramer733
  • · Replies 1 ·
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1

I'm new to proofs. Would someone please give me an opinion on my proof?

  • nietzsche
  • · Replies 1 ·
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1
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20

Find the Solution for arccot(1/cot(pi/5)) without Cyclometric Functions

  • Hannisch
  • · Replies 4 ·
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4

Resources for learning game theory and signalling games

  • nobahar
  • · Replies 10 ·
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10

Range of f(x)=\sqrt{4-x^{2}} -2\leqx\leq2

  • temaire
  • · Replies 10 ·
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10

Physics () due tomorrow morning

  • rakileh
  • · Replies 2 ·
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2

How to set up a rate problem with two rates

  • alienbaby23
  • · Replies 4 ·
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4

Setting up matrices for pricing and counting problems

  • bap902
  • · Replies 6 ·
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6

How Do You Solve Equations with Parentheses and Negative Signs?

  • elflacodepr
  • · Replies 4 ·
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4

How Do You Solve Trigonometry Problems Involving Satellites and Angles?

  • pointintime
  • · Replies 2 ·
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2

Solve Composite Function: g(f(x)) = 225?

  • Loppyfoot
  • · Replies 3 ·
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3

Variable-only graphing question

  • Emethyst
  • · Replies 2 ·
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2

Small part of a larger problem

  • efekwulsemmay
  • · Replies 6 ·
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6

Finding the height of a cilinder.

  • fawk3s
  • · Replies 1 ·
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1

How Do You Prove a < sqrt(ab) < (a+b)/2 < b?

  • monolithic
  • · Replies 6 ·
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6

Displacement Question: Flat Earth vs. Spherical Earth

  • Emethyst
  • · Replies 1 ·
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1

Finding the angle for force component

  • TheShehanigan
  • · Replies 1 ·
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1

Are Pre-Calculus and Trigonometry Necessary for High School Math?

  • virgosminx92
  • · Replies 5 ·
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5

Getting started on proving this

  • pyrosilver
  • · Replies 1 ·
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1

What Are the Natural Number Pairs Whose Squares Differ by 75 or 79?

  • um0123
  • · Replies 12 ·
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12

Solving secx=4 on TI-89 for 0 to 2π

  • HANNONKEVINP
  • · Replies 2 ·
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2

What is the Determinant of an Idempotent Matrix?

  • forty
  • · Replies 8 ·
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8

Find the minimum distance between the curves

  • utsav55
  • · Replies 11 ·
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11

Finding the second solution to sin x = A when x = 7π/23

  • DanielJackins
  • · Replies 3 ·
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3

Determining Probability of a Streak of 15+ Tails in 1,000 Coin Flips

  • kaleidoscope
  • · Replies 10 ·
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10
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20

Average Velocity over intervals

  • step1536
  • · Replies 3 ·
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3

Shortest distance between two points (one unknown?)

  • DanielJackins
  • · Replies 3 ·
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3

Composite function f(g(h(x))) with restrictions

  • Precursor
  • · Replies 4 ·
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4

Finding x for a quadratic equation

  • Emethyst
  • · Replies 2 ·
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2
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1

How Do You Solve the Inequality |x+2/x+1| ≤ |x-3|?

  • benleong2008
  • · Replies 1 ·
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1

Simplify Complex Number Fraction

  • FelixISF
  • · Replies 2 ·
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2

Solving for t in compound interest with monthly withdrawals

  • Lancelot59
  • · Replies 7 ·
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7

Factoring 2x² + 5x - 12 when the x² coefficient isn't 1

  • winston2020
  • · Replies 7 ·
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7

Show that it is orthogonal to both u and v

  • htk
  • · Replies 3 ·
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3

Solving x^3 + (2×10^5)x^2 + 250x - (5.08×10^-3) = 0

  • muaddib7
  • · Replies 3 ·
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3

Help with precalculus problem

  • Drama_Queen
  • · Replies 6 ·
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6

Finding rational roots of 2x^4-5x^3+5x^2-5x+3

  • link2110
  • · Replies 3 ·
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3

Solving Complex Number Equation: Z^3 = 2+2i

  • string_656
  • · Replies 4 ·
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4
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9

Trig General Solution: Solve for x using sin2x = 0.5

  • GrandMaster87
  • · Replies 2 ·
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2

2 Limits/Differenciability questions

  • hellking4u
  • · Replies 1 ·
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1

Subtracting polynomials: (8y²+5y-7) - (9y²+3x-3)

  • Jenninifer
  • · Replies 8 ·
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8

Car A vs. Car B: Finding the Better Buy based on Gas Mileage and Cost

  • Loppyfoot
  • · Replies 6 ·
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6

Simplify Problem: Solve x^3/2(x+x5/2-x2)

  • Proleague
  • · Replies 3 ·
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3

Composite numbers and divisibility (2 problems)

  • Hannisch
  • · Replies 9 ·
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9

Polynomial with 3 unknown variables

  • Paulo Serrano
  • · Replies 7 ·
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7

Solve for x(basic question for fresher)

  • Proleague
  • · Replies 3 ·
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3

Volume and surface area of a cylinder

  • Paulo Serrano
  • · Replies 5 ·
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5

Checking algebra for Emax and Vmax with mass-density equation

  • Chewy0087
  • · Replies 2 ·
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2

Solving for v in a projectile motion equation

  • sciwizeh
  • · Replies 7 ·
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7

Trigonometric Identities: Proving \frac{sin3x}{sinx}-\frac{cos3x}{cosx} = 2

  • GrandMaster87
  • · Replies 6 ·
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6

What is the inverse of this tricky function?

  • BilgeRat
  • · Replies 3 ·
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3

If AB+BC = 24 and AB = 10, THEN 10 + BC = 24 is an example of the ?

  • Leo34005
  • · Replies 11 ·
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11

Sets - Proving every set is a subset of itself

  • skullers_ab
  • · Replies 4 ·
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4

Largest angle where sine and tangent have the same value

  • RaPiD
  • · Replies 18 ·
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18

Changing equation to standard form

  • renob
  • · Replies 6 ·
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6
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34

Solving for Y in (X+Y)/(X-Y)*Z₀ = Z_L

  • dalarev
  • · Replies 2 ·
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2

AB ≅ CD. Find the length of BD.?

  • Leo34005
  • · Replies 1 ·
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1

Which statement about intersecting lines is true?

  • Leo34005
  • · Replies 1 ·
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1
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1

Can Induction Prove the Inequality 2n + 1 < 2^n for n ≥ 3?

  • killerfish
  • · Replies 2 ·
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2

What is the Coefficient of Variation for this Calculation?

  • Darsh
  • · Replies 1 ·
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1

Volume of a Box + Finding all solutions

  • whitehorsey
  • · Replies 3 ·
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3

3 ques. Cumulative (logs,circles w/tangent lines)

  • whitehorsey
  • · Replies 10 ·
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10

How Do Symmetric Graphs Relate to Equations and Calculations?

  • whitehorsey
  • · Replies 1 ·
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1

Find the Circles and Curves Problems

  • whitehorsey
  • · Replies 2 ·
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2

Bunch of AS level math problems(quadratics,indices etc)

  • giddy
  • · Replies 2 ·
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2

How does \sqrt{1+((x^2)/(4-x^2))} simplify to 2 times\sqrt{1/(4-x^2)}?

  • Waggattack
  • · Replies 4 ·
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4

Faster Polynomial Multiplication

  • Kys91
  • · Replies 4 ·
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4

What is the Manipulation of Algebraic Expressions?

  • roam
  • · Replies 7 ·
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7

Quadratic Absolute Value Inequality

  • musicmar
  • · Replies 6 ·
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6

What does a variance of 3.65 mean for my data?

  • yopy
  • · Replies 4 ·
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4