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

What Are the Possible Loci When d (x, y) = max {|x|,|y|}?

  • Saitama
  • · Replies 10 ·
Replies
10

Interpret the angle of the complex number

  • Baba-k
  • · Replies 3 ·
Replies
3

Relationship between roots and coefficients

  • aanandpatel
  • · Replies 4 ·
Replies
4

How to Find z in a Complex Algebra 2 Problem?

  • de.bug
  • · Replies 3 ·
Replies
3

Good Approximation to the Log Function

  • Harrisonized
  • · Replies 4 ·
Replies
4

Is the Mathematical Solution in the Book Incorrect or Am I Mistaken?

  • magnifik
  • · Replies 1 ·
Replies
1

Need help on working out of a probability problem

  • paperdoll
  • · Replies 3 ·
Replies
3

Please Critique my Presentation of the Quadratic Formula

  • Bacle2
  • · Replies 11 ·
Replies
11

Is Tan 43° Exactly Equal to (sqrt(5) - 1)/2?

  • Mishi
  • · Replies 15 ·
Replies
15

Why Is There No Reflection of y=√x in the Fourth Quadrant?

  • DryRun
  • · Replies 12 ·
Replies
12

What Are the n Distinct Complex n-th Roots of a Nonzero Number?

  • autre
  • · Replies 8 ·
Replies
8

Angled triangle ABC are x-1, x

  • VICKZZA
  • · Replies 1 ·
Replies
1

Simplify Fractions: 2/(49^1/3+7^1/3+1)

  • songoku
  • · Replies 4 ·
Replies
4
Replies
3

Proving 0 < θ1 < β in θ12-γθ1+β=0

  • Kinetica
  • · Replies 4 ·
Replies
4

Solve using quadratic formula?

  • Kinetica
  • · Replies 3 ·
Replies
3

What is the value of a to have double solutions in this quadratic equation?

  • kreshnik
  • · Replies 18 ·
Replies
18

How to Simplify a Square Root with Multiple Radicands

  • songoku
  • · Replies 3 ·
Replies
3

Probability of At Least 1 Girl Child in Family of 3

  • 1/2"
  • · Replies 11 ·
Replies
11

Basic Math - How to find the area of this composite shape?

  • Calcolat
  • · Replies 8 ·
Replies
8

Log Simplification Strategies for Evaluating Expressions with Square Roots

  • MacLaddy
  • · Replies 8 ·
Replies
8

Problem involving square / square root of a complex number

  • shillist
  • · Replies 5 ·
Replies
5

Probability: Permutations/Combinations

  • catbearbig
  • · Replies 1 ·
Replies
1

Stuck on Math 11 Problem Solving questions.

  • wassworth
  • · Replies 4 ·
Replies
4

Help with Set questions please

  • Flook
  • · Replies 4 ·
Replies
4

Proving a=b=c in a Ratio Proportion Problem

  • 1/2"
  • · Replies 2 ·
Replies
2

Binomial Distribution Practice: Part A Solution & Part B Explanation

  • planauts
  • · Replies 2 ·
Replies
2

(3p^-3 q^-1)^2 x (-4p^3 q^-2)^2 = ?

  • Mphisto
  • · Replies 5 ·
Replies
5

Trigonometry - How to solve this equation and find the solutions.

  • mirandab17
  • · Replies 4 ·
Replies
4

Scientific notation root powers exponents question

  • DkEnrgyFrk
  • · Replies 1 ·
Replies
1

Help with an Algebra 2 word problem

  • MACHO-WIMP
  • · Replies 2 ·
Replies
2

A trig question without calculator

  • appplejack
  • · Replies 11 ·
Replies
11

Find Solutions for |x-1|*|x+1|=0 with Step-by-Step Guide

  • solar nebula
  • · Replies 4 ·
Replies
4

Function Question - Walking and Rowing

  • MacLaddy
  • · Replies 6 ·
Replies
6

Understanding Subset Relations in Set Theory

  • bernvall
  • · Replies 1 ·
Replies
1

Trig Problem- solve equation. Check

  • FlopperJr
  • · Replies 6 ·
Replies
6

H/W help on Geometric vs Component Vector Addition

  • LearninDaMath
  • · Replies 9 ·
Replies
9

Solving Log Equations (Different Bases)

  • MPQC
  • · Replies 4 ·
Replies
4

Trig & Physics: How does Cos(90+θ)= -sin(θ) relate to Vectors

  • LearninDaMath
  • · Replies 6 ·
Replies
6

Polynomial Equation: Solving for x with 3 Solutions | Math Homework

  • matematikuvol
  • · Replies 1 ·
Replies
1

Vectors: Linear Combinations and Parallelism

  • JP16
  • · Replies 3 ·
Replies
3

How can the change-base identity be used to prove this equation?

  • tahayassen
  • · Replies 4 ·
Replies
4

Proving the Equation with Complex Numbers

  • wnvl
  • · Replies 3 ·
Replies
3

How Do You Handle 3D Vector Operations with Polar Coordinates?

  • Icetray
  • · Replies 6 ·
Replies
6

Finding length in regular pyramid

  • songoku
  • · Replies 4 ·
Replies
4

Homework SolutionEigenvalue of a Matrix: Proof Involving Nonsingular Matrices

  • chocolatefrog
  • · Replies 2 ·
Replies
2

Can Grade 12 Trig Questions Be Too Challenging?

  • tahayassen
  • · Replies 30 ·
2
Replies
30

Exponential and logarthmic functions

  • NeomiXD
  • · Replies 3 ·
Replies
3

Simplify the following expression

  • tahayassen
  • · Replies 14 ·
Replies
14

B^2 = a with a is an integer and b rational => b is an integer

  • Elwin.Martin
  • · Replies 4 ·
Replies
4

Are there 3000 types of sandwiches?

  • Intervenient
  • · Replies 2 ·
Replies
2
Replies
10
Replies
2

Hi guys, Need some help on something I didn't know I didn't

  • Rob K
  • · Replies 10 ·
Replies
10

Simplifying this trig solution

  • jhahler
  • · Replies 6 ·
Replies
6

Trig identity with natural logs and absolute value?

  • jhahler
  • · Replies 27 ·
Replies
27

Trig Question 8(c) Solution Discussion - Edexcel 6665-01 January 2011 Exam

  • jsmith613
  • · Replies 1 ·
Replies
1

Question Regarding System of Equations

  • trulyfalse
  • · Replies 6 ·
Replies
6

How Can You Prove This Trigonometric Identity?

  • Aubrie
  • · Replies 2 ·
Replies
2

Function Equality: Proving Equality w/ Domain & Values

  • Elwin.Martin
  • · Replies 2 ·
Replies
2

Understanding the Quadruple Angle Identity for Cosine

  • physicsgeek54
  • · Replies 2 ·
Replies
2

Logarithm Problem: Prove xy = 5 | Homework Help

  • Michael_Light
  • · Replies 16 ·
Replies
16

If Logb(x) = 0.8, solve for Logb(x)(x^1/3)

  • srizen
  • · Replies 14 ·
Replies
14

What are the Inverses of y=x^{2}+4x-6?

  • crybllrd
  • · Replies 6 ·
Replies
6

Rearranging to solve an equation (quick question)

  • Yaaaldi
  • · Replies 6 ·
Replies
6

Use De Moivre's Theorem to prove this:

  • aanandpatel
  • · Replies 3 ·
Replies
3
Replies
2
Replies
7
Replies
3

Writing an absolute value function as a piecewise function

  • thornluke
  • · Replies 2 ·
Replies
2

What order do you transform graphs in?

  • jetwaterluffy
  • · Replies 3 ·
Replies
3
Replies
8

Functions of a Complex Variable

  • sunnybrarrd
  • · Replies 2 ·
Replies
2

What is the Exponential Model for Depreciation of a Car's Value?

  • darshanpatel
  • · Replies 4 ·
Replies
4

Solving Sinusoidal Equations involving Cosine Inverse

  • Court_2013
  • · Replies 3 ·
Replies
3

GEBRA: How to Create Quadratic Equations for a Given Area of a Rectangle

  • trulyfalse
  • · Replies 7 ·
Replies
7

When is m33 divisible by 36? (m is an integer).

  • Silversonic
  • · Replies 2 ·
Replies
2

Determine the lenght of arc and the area of the sector subtended by an

  • luigihs
  • · Replies 12 ·
Replies
12

Master Logarithmic Equations: Expert Tips for Solving Problems

  • bluff_boy
  • · Replies 3 ·
Replies
3

Prove If x^2 is irrational then x is irrational

  • basil32
  • · Replies 8 ·
Replies
8

Can AB-BA ever equal the identity matrix?

  • hamsterman
  • · Replies 6 ·
Replies
6

Why Can't an Exponential Function Pass Through Specific Points?

  • darshanpatel
  • · Replies 7 ·
Replies
7

Solving equation with power of x in it

  • Froskoy
  • · Replies 3 ·
Replies
3

Inverse of a logarithmic function

  • togame
  • · Replies 5 ·
Replies
5

Domain and range of composite function

  • Gwyddel
  • · Replies 10 ·
Replies
10

Log and Ln Problem - Matching Equations

  • pizbot
  • · Replies 4 ·
Replies
4

Matrices- Variable in Matrices-Help

  • Nikki16
  • · Replies 13 ·
Replies
13

How is this graph NEGATIVELY SKEWED

  • jsmith613
  • · Replies 5 ·
Replies
5

What is the range of x for positive values in f(x) = x^2 -2x -3?

  • luigihs
  • · Replies 8 ·
Replies
8

Solving a Logic Problem: Prove ~(A * F)

  • particlepat
  • · Replies 3 ·
Replies
3

Radius of a circle whose area is of 2 other cirlces

  • Alexenn
  • · Replies 3 ·
Replies
3

Prove: QR Passes Through O If PQ, PR on xy=c2 Inclined Equally

  • Michael_Light
  • · Replies 2 ·
Replies
2

Statistics: Null hypothesis/chi-squared question.

  • geoffreythelm
  • · Replies 2 ·
Replies
2

Help w/ Math Proofs: cos(n∏+θ), ln|sec x|=-ln|cos x|

  • physicsgeek54
  • · Replies 4 ·
Replies
4

Multiplying Cosines: Learn How to Represent x(t)

  • SMOF
  • · Replies 9 ·
Replies
9

Can x be equal to the square root of its own absolute value?

  • basil32
  • · Replies 5 ·
Replies
5

Classic combined rates of work word Problem

  • LearninDaMath
  • · Replies 10 ·
Replies
10

Roots of a quadratic equation.

  • Darth Frodo
  • · Replies 6 ·
Replies
6

Equation of Line Joining (-1, 1) & (2, 5): 3y = 4x + 7

  • luigihs
  • · Replies 9 ·
Replies
9

Bunch of questions that may have typographical errors in the answer key

  • BSElectrician
  • · Replies 4 ·
Replies
4