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

Geometric Series: Find 3 Numbers for 5 Components

  • Femme_physics
  • · Replies 3 ·
Replies
3

Show how to determine the domain of each of the following functions

  • Kazane
  • · Replies 3 ·
Replies
3

Equation of a line that passes through a point.

  • -Dragoon-
  • · Replies 2 ·
Replies
2

Real World Applications of the (x-y)/(x+y) Equation

  • mathisp64
  • · Replies 2 ·
Replies
2

Vertical Asymptote: Is f Defined at x=1?

  • dkotschessaa
  • · Replies 6 ·
Replies
6

Distance from cartesian coordinates and im going wring somewhere.

  • EMFsmith
  • · Replies 7 ·
Replies
7

Came up with a second personalized proof (is it correct)

  • Miike012
  • · Replies 4 ·
Replies
4

Normal distribution table values

  • aurao2003
  • · Replies 2 ·
Replies
2

Solving Complex Equations Involving a,b,c,p,q,r

  • juantheron
  • · Replies 2 ·
Replies
2

Not understanding trig problem

  • Miike012
  • · Replies 3 ·
Replies
3

Total number of wrong answers permutation

  • zorro
  • · Replies 3 ·
Replies
3

Inequality rational polymonial

  • xzi86
  • · Replies 4 ·
Replies
4

Basic Lin Alg - Angle Between Vectors

  • sunmaz94
  • · Replies 8 ·
Replies
8

Quick solve for X type fraction question.

  • nukeman
  • · Replies 7 ·
Replies
7

Probability that a randomly chosen 3 digit number has exactly 3 factor

  • zorro
  • · Replies 10 ·
Replies
10

Find the intersection of three planes (a line)?

  • lillybeans
  • · Replies 2 ·
Replies
2

Again a logarithmic inequality

  • Saitama
  • · Replies 9 ·
Replies
9

How to do this logarithm proof

  • davedave
  • · Replies 2 ·
Replies
2

My first Proof Tell me what you think please

  • Miike012
  • · Replies 4 ·
Replies
4

Radius of a circle that intersects two points on a right triangle.

  • dgoldman86
  • · Replies 8 ·
Replies
8

Simple X and Y intercept question - Thanks

  • nukeman
  • · Replies 7 ·
Replies
7

Find the equation of a parabola with a given focus and vertex.

  • tsbg8185
  • · Replies 2 ·
Replies
2

Solve Row-Echelon Form: 3x -y + 2z = -4

  • Bogrune
  • · Replies 9 ·
Replies
9

Need help solving a Logarithmic Inequality?

  • Saitama
  • · Replies 7 ·
Replies
7

Probability Function Homework: Solving Parts (d), (e) & (f)

  • aurao2003
  • · Replies 1 ·
Replies
1

Solving Complex Numbers: How to Find the Angle for Non-Real Numbers

  • zorro
  • · Replies 1 ·
Replies
1

Inverse function of bi-exponential function?

  • f_coco
  • · Replies 3 ·
Replies
3

Help a Girl Out: Graphing Calculator Picture Project

  • caitlyn
  • · Replies 1 ·
Replies
1

Challenge Problem that seems too Easy

  • brtdud7
  • · Replies 3 ·
Replies
3

Simple statistics combinations/permutation problem

  • Gameowner
  • · Replies 6 ·
Replies
6

Nature of roots of an equation

  • zorro
  • · Replies 15 ·
Replies
15

Converting cosine(.9812) to radians two answers

  • thearn
  • · Replies 3 ·
Replies
3
Replies
9

Converting standard form to standard form of an ellipse

  • thearn
  • · Replies 2 ·
Replies
2

Is there a method for the simplex algorithm that avoids cycling?

  • wanderlust.xx
  • · Replies 1 ·
Replies
1

Simple function questions - checking answer.

  • Michael_Light
  • · Replies 5 ·
Replies
5

Solving Esther's Morning Commute Problem

  • maria vega
  • · Replies 4 ·
Replies
4

Trinometry question(prove RHS=LHS)

  • MiNDTRyX
  • · Replies 7 ·
Replies
7

Inntersection of a line and a plane.

  • -Dragoon-
  • · Replies 3 ·
Replies
3

Solve De Moivre's Theorem for z^10

  • jwxie
  • · Replies 6 ·
Replies
6
Replies
7

Probability of Sum of Dice Rolls 10-15 Inclusive

  • theloathedone
  • · Replies 6 ·
Replies
6

Solving the Quintic Equation x^5+ax+b

  • footmath
  • · Replies 12 ·
Replies
12

Solve Log3x: Steps & Graph Changes for y=log4x

  • Buddah
  • · Replies 3 ·
Replies
3

Finding the Center and Radius of a Sphere with Parallel Tangent Planes

  • math12345
  • · Replies 1 ·
Replies
1

How Does Quadrant Affect Values in Trigonometric Functions?

  • CrossFit415
  • · Replies 2 ·
Replies
2

Is this expression the same as

  • CrossFit415
  • · Replies 1 ·
Replies
1

Which quadrant does theta lie?

  • CrossFit415
  • · Replies 4 ·
Replies
4

Graph of f(x) = (x-p)(x-q): Intersections with x-axis

  • Peter G.
  • · Replies 7 ·
Replies
7

Understanding 1/f(x) of Graphs with No Equation

  • ProPM
  • · Replies 9 ·
Replies
9

Set builder notation question.

  • Jim01
  • · Replies 1 ·
Replies
1

Suspension Bridge Parabola Problem

  • lenial
  • · Replies 8 ·
Replies
8

Wire Cutting Problem - Finding the Length of a Square

  • Peter G.
  • · Replies 5 ·
Replies
5

Find the range of this function

  • Michael_Light
  • · Replies 3 ·
Replies
3

Calculating the Limit of an Infinite Series

  • kayron
  • · Replies 3 ·
Replies
3

Solving Math Series: Find nth Term & Sum of First n Terms

  • homad2000
  • · Replies 9 ·
Replies
9
Replies
9

Geometrical shapes with an unknown

  • Femme_physics
  • · Replies 2 ·
Replies
2

Sum of Angle A and B: Does Proportion Matter?

  • Miike012
  • · Replies 5 ·
Replies
5

Why Does My Range for a Composite Function Differ from the Textbook's?

  • Peter G.
  • · Replies 5 ·
Replies
5

What Are the Key Transformations for Trigonometric Graphs?

  • Peter G.
  • · Replies 1 ·
Replies
1

Value of 3 reciprocal trigonometric ratios

  • ohhnana
  • · Replies 2 ·
Replies
2

Possible Values of Angle in Standard Position

  • ohhnana
  • · Replies 2 ·
Replies
2

What is the exact value of sin when cos x =1/√10?

  • ohhnana
  • · Replies 3 ·
Replies
3

Solving for Cosine & Sine Sum/Difference of Two Angles: Confusing?

  • Miike012
  • · Replies 10 ·
Replies
10

Simplex algorithm - phase one - why do I need to use it here?

  • wanderlust.xx
  • · Replies 3 ·
Replies
3

Understanding Angle Proofs: How to Identify and Solve for Equal Angles

  • Miike012
  • · Replies 2 ·
Replies
2

Solving Exponential Equations: 2 Problems with Multiple Solutions

  • EternityMech
  • · Replies 2 ·
Replies
2
Replies
2

Mastering Formula Manipulation: Tips for Calculus and Physics Success"

  • supernova1203
  • · Replies 1 ·
Replies
1

Solving problem in Banesh Hoffmann's Vectors

  • james snail
  • · Replies 4 ·
Replies
4

Solving Logarithmic Equation with Real Numbers: Log Problem Homework

  • EternityMech
  • · Replies 1 ·
Replies
1

Calculate the height Trigonometry

  • Peter G.
  • · Replies 7 ·
Replies
7

System of Equations: Solving U & V with Polynomials

  • CarbonWater
  • · Replies 1 ·
Replies
1

Solving Simple System of Equations: Step-by-Step Guide

  • DrummingAtom
  • · Replies 4 ·
Replies
4

Why Do Negative Angles Have Opposite Trig Identities?

  • Miike012
  • · Replies 1 ·
Replies
1

What Does (1+√3i)^n + (1-√3i)^n Equal for Certain n?

  • zorro
  • · Replies 11 ·
Replies
11

How can I simplify this derivative?

  • DespicableMe
  • · Replies 4 ·
Replies
4

Is Starting With Assumption of Truth A Valid Proof Strategy?

  • Mentallic
  • · Replies 3 ·
Replies
3

How to Solve Algebra Problems Involving Variables and Equations?

  • Cyrilshark
  • · Replies 3 ·
Replies
3

Absolute Equation: Solving for x with 2(2)^0.5 and (5)^0.5

  • EternityMech
  • · Replies 2 ·
Replies
2

What Is the Equation for a Tangent Line Parallel to a Given Line?

  • DespicableMe
  • · Replies 1 ·
Replies
1

Checking operations over a set

  • IKonquer
  • · Replies 5 ·
Replies
5

Proving Non-Negative Numbers in a^2+b^2=1

  • armolinasf
  • · Replies 1 ·
Replies
1

Probability. Not exactly a problem, more of a question I'd like answered

  • Maybe_Memorie
  • · Replies 15 ·
Replies
15

Solve for Theta: How to Divide Sin?

  • Nano-Passion
  • · Replies 21 ·
Replies
21

Simplifying ANOTHER very anoying equation

  • Titandwedebil
  • · Replies 6 ·
Replies
6

Standard deviation from grades distribution how am I wrong?

  • Femme_physics
  • · Replies 7 ·
Replies
7

Solving Parametric Equations: Cartesian Equations from Parametric Equations

  • Michael_Light
  • · Replies 4 ·
Replies
4

Mathematical Induction Problem

  • Phyzwizz
  • · Replies 5 ·
Replies
5

Finding the Missing Number in Geometric Series

  • Femme_physics
  • · Replies 12 ·
Replies
12

Finding the Value of Σk=0k=7a2k from a Multinomial Expansion

  • zorro
  • · Replies 2 ·
Replies
2

Roots of Equation: Sum of Fourth Powers | Math Homework

  • zorro
  • · Replies 2 ·
Replies
2
Replies
1

What Is the Probability That the Least Number Drawn Is 5?

  • zorro
  • · Replies 3 ·
Replies
3

Solving Fraction Issues: LCM vs Formula

  • Amaz1ng
  • · Replies 13 ·
Replies
13
Replies
5

Understanding Vectors: Parallelogram PQRS Question

  • recoil33
  • · Replies 2 ·
Replies
2

Understanding the Unit Circle and Trigonometry Functions

  • Peter G.
  • · Replies 2 ·
Replies
2

Absolute value appears on both sides of equals sign

  • ECHOSIDE
  • · Replies 5 ·
Replies
5