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

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

  • Ownaginatious
  • · Replies 2 ·
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2

Maximizing Profit: Calculating Optimal Widget Sales | Widget Company

  • CanaBra
  • · Replies 1 ·
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1
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4

Verifying Solution for cos^4 x in Terms of cos 4x & cos 2x

  • 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

Mastering the Basics of Natural Logarithms: Simple Proof of ln(e)=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

Another proof: x^2 + xy +y^2 > 0

  • 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
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3

Find Limit of Xn as n Approaches Infinity

  • dannysaf
  • · Replies 1 ·
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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

Composite Function Homework: Is My Solution Correct?

  • 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

Solve 3 Functions Problems: Find Equations, Intersections, and Roots

  • tornzaer
  • · Replies 20 ·
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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

Game Theory: A Beginner's Guide

  • 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

Solve Matrix Word Problems: Step-by-Step Guide

  • 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

Explaining the Solution for secx=4 in Calculator Format (Ti-89) for Range 0-2pi

  • 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

Find the Second Solution for sinx = A | Trigonometry Question

  • 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

Solve Composite Function Homework: f(g(h(x)))

  • 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

Solve Compound Interest Problem: Isolate Variable t

  • Lancelot59
  • · Replies 7 ·
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7

Learn How to Factor Quadratics: Step-by-Step Guide for Gr. 10 Math Homework

  • 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
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3

Get the Assistance You Need Today | Help Me Please

  • Drama_Queen
  • · Replies 6 ·
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6

Any help today would be appreciated, thanks.

  • 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

Solve Grade 9/10 Algebra: (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
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2

Solving V in Equation: tanθ = v2 ± √v4 - g(gR2 - 2v2h) / gR

  • 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

Trigonometry Help: Find Largest Angle for Sine and Tangent Agreement

  • 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

Very quick algebraic manipulation help

  • 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

Question about what this variance value means

  • yopy
  • · Replies 4 ·
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4

Simple linear transformation of coordinates on a sin wave

  • granpa
  • · Replies 2 ·
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2