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

Proving the Non-Negativity of a Limit: Does g(x) > 0 Imply M > 0?

  • bjgawp
  • · Replies 6 ·
Replies
6

Dividing Polynomials ~ Root/Factor Theroem

  • matadorqk
  • · Replies 1 ·
Replies
1
Replies
7

Question involving some reasoning.

  • azatkgz
  • · Replies 1 ·
Replies
1

Yet another epsilon-delta proof

  • bjgawp
  • · Replies 12 ·
Replies
12
Replies
3

How Much Distance Does a Wheel Cover in One Second?

  • soharu
  • · Replies 6 ·
Replies
6

Simple Graphing rational expressions question

  • xCanx
  • · Replies 3 ·
Replies
3

If 3f(x)+f(3-x)=x squared, what's f(x)?

  • pugfug90
  • · Replies 8 ·
Replies
8

Proving Irrationality of Sums and Products of Irrational Numbers

  • hashimcom
  • · Replies 11 ·
Replies
11

Dice with weighted sides, looking for odds of a sum:faster way

  • pugfug90
  • · Replies 5 ·
Replies
5

I with 1 question. VERY PLEASE

  • STAR3URY
  • · Replies 6 ·
Replies
6

Why Is Pre-Calculus Challenging for Some Students?

  • jubej
  • · Replies 7 ·
Replies
7

Are Scatter Plots or Line Graphs Better for Presenting Pollution Index Data?

  • matthyaouw
  • · Replies 2 ·
Replies
2

Trigonometry question solving help

  • Rockefeller
  • · Replies 1 ·
Replies
1

Help on Permuntation and Combination Question

  • fluffy91
  • · Replies 3 ·
Replies
3

10.7 Small-Sample Inferences Concerning A Population Mean

  • Little Bear
  • · Replies 1 ·
Replies
1

Can You Graph Cosine and Sine Functions? A Guide for Beginners

  • PHK
  • · Replies 3 ·
Replies
3

Looking for the slant asymptote of a rational function?

  • lostfan176
  • · Replies 2 ·
Replies
2

How Does Conditional Probability Affect Computer Reliability Over Time?

  • estado3
  • · Replies 9 ·
Replies
9

Solving Matrix Help: Find Values of k w/o Solution

  • Coolies
  • · Replies 4 ·
Replies
4

Quick Help Dividing Polynomials

  • marcflores
  • · Replies 3 ·
Replies
3

Correction on 9.73 Statistics on Large Sample Tests of Hypotheses?

  • Little Bear
  • · Replies 1 ·
Replies
1

Rotation of Axes: Point (x,y) to (X,Y)

  • atavistic
  • · Replies 1 ·
Replies
1

9.73 Statistics on Large Sample Tests of Hypotheses?

  • Little Bear
  • · Replies 2 ·
Replies
2

How can you find two different values for sin^-1(0.750)?

  • ND3G
  • · Replies 6 ·
Replies
6

Relative Speed Calculation for Man Walking on a Moving Boat

  • missashley
  • · Replies 1 ·
Replies
1

Range Calculation Help: Finding the Range of a Square Root Equation

  • physstudent1
  • · Replies 4 ·
Replies
4

Silly math problem (precipitation)

  • yoshi6
  • · Replies 5 ·
Replies
5

What is the solution of x*exp(-x)=1?

  • Odyssey
  • · Replies 6 ·
Replies
6

Approaching Infinity: Simplifying Radical Expressions

  • Jwill
  • · Replies 9 ·
Replies
9

Verifying and Proving z=cisθ Identity

  • danago
  • · Replies 6 ·
Replies
6

Solving Trig Transformations: Rotation of a Point

  • smileandbehappy
  • · Replies 1 ·
Replies
1

How can I factorize these polynomials?

  • Trail_Builder
  • · Replies 4 ·
Replies
4

Partial fractions- repeated linear factors

  • nirvana1990
  • · Replies 9 ·
Replies
9

Solving Fraction Function Homework: (x+1)/(x+6) >or= 0

  • shoook
  • · Replies 3 ·
Replies
3

Finding Angle of Man Walking on Ship Relative to Water

  • missashley
  • · Replies 1 ·
Replies
1

Max/Min of |z| and Arg(z) given |z-1+i| <= 1

  • danago
  • · Replies 8 ·
Replies
8

Decoding Binary Number 1100011: What Base 10 Number Does it Represent?

  • Stevedye56
  • · Replies 4 ·
Replies
4

What Is the Probability of a Computer Being Operational for 100 Days?

  • estado3
  • · Replies 2 ·
Replies
2

Find b & r for Periodic Trajectory of f(x) = r*x/(1+x)^b

  • Ljilja
  • · Replies 2 ·
Replies
2

How Do You Solve for X in the Equation 2^(x-1) = 25 Using Logarithms?

  • matadorqk
  • · Replies 4 ·
Replies
4

Maximizing Profit: Solving Polynomial for MP3 Player Ad Expenses

  • Bo_
  • · Replies 6 ·
Replies
6

Do Permutations Commute Only When Identical?

  • C_Ovidiu
  • · Replies 7 ·
Replies
7

Inequalities math homework problem

  • xCanx
  • · Replies 1 ·
Replies
1

Trigonometry, different products of sine and cosine

  • Trail_Builder
  • · Replies 5 ·
Replies
5

Solving a>b, b>-c, and a>-c: HSTC

  • drema9
  • · Replies 10 ·
Replies
10
Replies
2

Solving Complex Numbers Equations in Polar Coordinates

  • dashkin111
  • · Replies 4 ·
Replies
4

Whats a faster way for factorizing polynomials of order 3 and above

  • Ian_Brooks
  • · Replies 4 ·
Replies
4

Minimum Speed for Daredevil to Jump 11m Canyon on 15 Degree Incline

  • missashley
  • · Replies 2 ·
Replies
2

Volume of an Open-Top Box with 3-Sided Squares

  • camilus
  • · Replies 2 ·
Replies
2

Find the equation to a parabola problem

  • srujana_09
  • · Replies 1 ·
Replies
1
Replies
13

Expressing as a single fraction

  • Theinvoker
  • · Replies 11 ·
Replies
11

Algebra Problem in Textbook: Can't Figure Out the Step!

  • kuahji
  • · Replies 4 ·
Replies
4

Numerical value and log problem

  • physstudent1
  • · Replies 2 ·
Replies
2

Very interesting, a pyramid and sphere inscribed

  • JuanR
  • · Replies 1 ·
Replies
1

Calculating Average Wave Speed and Standard Error

  • neoking77
  • · Replies 3 ·
Replies
3

What is the total number of possible license codes

  • danago
  • · Replies 2 ·
Replies
2

Finding the unknowns of irrational equation

  • asd1249jf
  • · Replies 7 ·
Replies
7

Calc Correlation Coefficient & Regression Equation for Normal Variable X

  • steven10137
  • · Replies 4 ·
Replies
4

Pascal's Triangle and Binomial Theorem

  • SurferStrobe
  • · Replies 4 ·
Replies
4

Finding the Equation of a Parabola with Two Known Points

  • srujana_09
  • · Replies 4 ·
Replies
4

Exponential Growth Homework: Find Time When Population is 100x Noon Value

  • steven10137
  • · Replies 4 ·
Replies
4

Changing the Subject of a Formula

  • LightbulbSun
  • · Replies 2 ·
Replies
2

NEED HELP WITH HOMEWORK No largest prime number

  • msminnie
  • · Replies 6 ·
Replies
6
Replies
20

What Is the Square Root of i in Complex Numbers?

  • John O' Meara
  • · Replies 2 ·
Replies
2

How Do You Calculate Joint Probabilities in a Tire Purchase Scenario?

  • asraar
  • · Replies 9 ·
Replies
9

Probability in a sport tournament

  • Sleek
  • · Replies 1 ·
Replies
1

How Does the Choice of Delta Affect an Epsilon-Delta Proof?

  • bjgawp
  • · Replies 10 ·
Replies
10

Precalc Homework Help: Solving for Unknown in Exponential Equation

  • ggcheck
  • · Replies 3 ·
Replies
3

Sigma Notation Help: Writing 5, 10, 17, 26

  • 123mathguy
  • · Replies 2 ·
Replies
2

Precalculus intersectoin, union, universal etc

  • seabreeze
  • · Replies 4 ·
Replies
4

What's wrong with the cartesian plane

  • electron
  • · Replies 3 ·
Replies
3

A set and subset. Can anyone explain what the difference?

  • ovoleg
  • · Replies 5 ·
Replies
5

Trying to understand a stat question and its answer

  • FocusedWolf
  • · Replies 1 ·
Replies
1

Probabilities of A & B Occurrences in S

  • bethanyd
  • · Replies 3 ·
Replies
3

Finding y-intersept form two points

  • mastershake15
  • · Replies 3 ·
Replies
3

2 Bits of help neede for study Logarithm+Complex number

  • Supernovah
  • · Replies 14 ·
Replies
14

Solving Sinusoids: Expressing 8.5sin(290t+325) in Different Forms

  • Moneer81
  • · Replies 1 ·
Replies
1

Algebra- Vector ce and subspace

  • lkh1986
  • · Replies 1 ·
Replies
1

Confused with quadrants with Cos Tan Sin

  • runicle
  • · Replies 5 ·
Replies
5

Silly Question about systems of equations

  • Saladsamurai
  • · Replies 5 ·
Replies
5

Partial Fractions: Simplifying 2nd Set to 1st

  • Rach123
  • · Replies 1 ·
Replies
1

Inequalities with trigonometric functions

  • tigerd12
  • · Replies 6 ·
Replies
6
Replies
1

Finding the Third Side of a Triangle: 8 & 22

  • stealthinstinct
  • · Replies 7 ·
Replies
7

How can completing the square help with graphing transformations?

  • shoook
  • · Replies 4 ·
Replies
4

Factoring a Complex Polynomial: x^4-14x^2+52

  • menager31
  • · Replies 11 ·
Replies
11

How does that relate to the length of the wire?

  • pugfug90
  • · Replies 7 ·
Replies
7

Prove there is a limit in a sequence

  • johnhitsz
  • · Replies 1 ·
Replies
1

Expressing Area as a Function of Width

  • shoook
  • · Replies 1 ·
Replies
1

Simple Conic I am sure - Overlooking it

  • chrisdapos
  • · Replies 7 ·
Replies
7

Solving for i and e in a Grounded Line with Initial Conditions

  • ashish.dltg
  • · Replies 1 ·
Replies
1

Function Graphs: Solving Questions with Step-by-Step Guide

  • tigerd12
  • · Replies 1 ·
Replies
1

How Do I Simplify this Trig Expression: cos(2sin^-1 (5x))?

  • davemoosehead
  • · Replies 8 ·
Replies
8

Polynomial Division: Finding Q(X) and R(X)

  • stefanB
  • · Replies 3 ·
Replies
3

Y Intercept of Linear Eqn w/ Slope 4: Find Line of Best Fit Calculator

  • shoook
  • · Replies 1 ·
Replies
1