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

Solve Quadratic Identities: 81x^4 - 63x^2 + 10 = 0

  • zebra1707
  • · Replies 7 ·
Replies
7

Cross Product Confusion: Solving UxV

  • likephysics
  • · Replies 2 ·
Replies
2

How do i solve the following with or without use of logs?

  • Dell
  • · Replies 6 ·
Replies
6

Parabola (Horizontal) - finding vertex, focus and equation of line

  • zebra1707
  • · Replies 6 ·
Replies
6

Euler's Formula: Learn Trigonometry & Answers to 3 Questions

  • sponsoredwalk
  • · Replies 5 ·
Replies
5

Embarrasing, but I with this.

  • Lancelot59
  • · Replies 6 ·
Replies
6

Confirming dy/dx with a TI-84: ex2y=2x+2y

  • metalclay
  • · Replies 3 ·
Replies
3

I have a question about HA, VA and minimum points

  • Roni1985
  • · Replies 10 ·
Replies
10

Some help with this differentiation question thanks

  • mikecrush
  • · Replies 6 ·
Replies
6

Help plotting 2 functions on Maple 13

  • sp09ta
  • · Replies 6 ·
Replies
6

Towers of hanoi induction- slight bit i don't understand

  • pyrosilver
  • · Replies 6 ·
Replies
6

Graphing a Basketball's Height Using Equations | Homework Help

  • Stripe
  • · Replies 8 ·
Replies
8

ANOTHER parabola related question ._.

  • Stripe
  • · Replies 3 ·
Replies
3

Help, Calculating height of Trapezium

  • mathsgeek
  • · Replies 11 ·
Replies
11

: Complex Numbers Problems: HELP NEEDED FOR MY FINAL EXAM ?

  • raladin
  • · Replies 8 ·
Replies
8

Help with proving irrationality

  • pyrosilver
  • · Replies 3 ·
Replies
3

Discrete math, defining an operator

  • James889
  • · Replies 6 ·
Replies
6

Lin Alg Question: Cross-Product Proof

  • ChaoticLlama
  • · Replies 4 ·
Replies
4
Replies
6

Domain of the composition of these functions

  • zeion
  • · Replies 3 ·
Replies
3
Replies
2

Solving Vector Problems: Find Point C & Divide AB 1:2

  • kenewbie
  • · Replies 6 ·
Replies
6

Gravitational Forces: Calculating Magnitude & Acceleration

  • ahealy88
  • · Replies 10 ·
Replies
10

A Question related to Co-ordinate Geometry

  • DarkStalker
  • · Replies 3 ·
Replies
3

Parabolas: Domain, Range, and Completing the Square

  • Stripe
  • · Replies 4 ·
Replies
4

Quick question on a simplification of position formula

  • skurred
  • · Replies 1 ·
Replies
1

How Do You Solve Trigonometric Equations Involving Sine and Cosine?

  • zeion
  • · Replies 2 ·
Replies
2

Trig Inequalities: Solve tanx - 3cotx = 0 in the Interval [0, 2pi)

  • zeion
  • · Replies 2 ·
Replies
2

Trignometry Inequalities in [0, 2pi)?

  • zeion
  • · Replies 10 ·
Replies
10

Comparing 2 sample means of 2 different samples

  • cse63146
  • · Replies 11 ·
Replies
11

Find P(B): Solving Probability Formula 1

  • e3027
  • · Replies 3 ·
Replies
3

Calculating Probability: Coin and Die Tossing Scenarios

  • e3027
  • · Replies 3 ·
Replies
3

What Are the Asymptotes for This Equation?

  • MiNiWolF
  • · Replies 4 ·
Replies
4

Solving Z^7+128: Finding Factors & Easier Ways

  • morbello
  • · Replies 4 ·
Replies
4

The relationship between hyperbolic and circular functions

  • nobahar
  • · Replies 3 ·
Replies
3

What is the domain and asymptotes for f(x) = |x³ + x²|/(x² - 1)?

  • Hannisch
  • · Replies 6 ·
Replies
6

Is f(x) = g(x+ root(x^2+1)) an even, odd, or neither function?

  • skeeterrr
  • · Replies 4 ·
Replies
4

Transform Equation X(j+1)=X(j)+c1*(Y(j)-Y(j-1))+c2(Z(j)-Z(j-1)) into Diff Eq

  • Aline Rocha
  • · Replies 4 ·
Replies
4

Where can I find practice induction questions online?

  • pyrosilver
  • · Replies 1 ·
Replies
1

Cartesian , Polar and Exponential FormHelp needed thanks .

  • mikecrush
  • · Replies 2 ·
Replies
2

Why Is \( n^3 - n \) Always Divisible by 3?

  • um0123
  • · Replies 21 ·
Replies
21

How to Prove Points in an Open Interval are of a Certain Form?

  • JG89
  • · Replies 3 ·
Replies
3

Cartesian , Polar and Exponential FormHelp needed thanks .

  • mikecrush
  • · Replies 1 ·
Replies
1

Finding inverse of a function involving ln.

  • sp09ta
  • · Replies 3 ·
Replies
3

Prove Fibonacci formula with induction?

  • Sven
  • · Replies 1 ·
Replies
1

Proving the General Formula for X^n - y^n

  • DavidSnider
  • · Replies 10 ·
Replies
10

How Can You Factorize the Polynomial \( x^6 - 1 \)?

  • roam
  • · Replies 14 ·
Replies
14

Does a homogenous system always have multiple solutions?

  • shiri
  • · Replies 7 ·
Replies
7

Cost of Fencing for Parking Lot: Function of Width w | Tricky Word Problem

  • you_of_eh
  • · Replies 1 ·
Replies
1

Graphing Question: x<1, 1≤x≤2, x>2

  • you_of_eh
  • · Replies 2 ·
Replies
2

Point in a rectangle given angles only

  • Hepth
  • · Replies 4 ·
Replies
4
Replies
2

Divisibility of Polynomials: Finding the Remainder

  • Hannisch
  • · Replies 5 ·
Replies
5

Descriptive Statistics: Singular vs. Plural - What's the Difference?

  • charliemagne
  • · Replies 1 ·
Replies
1

How to get instantaneous rate of change

  • Maroc
  • · Replies 6 ·
Replies
6

Solve Matrices Problem: Find ab & c

  • DanielJackins
  • · Replies 7 ·
Replies
7

(CONDITIONAL PROBABILITY) Which probability would you expect to be greater?

  • kaleidoscope
  • · Replies 1 ·
Replies
1

Polynomial Function Homework: Find Function of Degree n-1

  • emyt
  • · Replies 15 ·
Replies
15

Solving Seventh Roots in Polar Form

  • morbello
  • · Replies 6 ·
Replies
6

Need Help with My Limit Homework

  • ModalNekat
  • · Replies 10 ·
Replies
10

Probability Bayes formula Question

  • crays
  • · Replies 1 ·
Replies
1

Expressing this algebraic fraction as partial fraction

  • MadmanMurray
  • · Replies 6 ·
Replies
6

Probability question (choosing cards from a deck)

  • jumbogala
  • · Replies 8 ·
Replies
8

Absolute Value functions => Piecewise Function

  • danago
  • · Replies 8 ·
Replies
8

[Help]Findin all real solution.

  • studenlearner
  • · Replies 1 ·
Replies
1

Help with finding all real solutions

  • akp
  • · Replies 6 ·
Replies
6

Surface Area of Solid Cylinder

  • carlodelmundo
  • · Replies 2 ·
Replies
2

Square Root Method - Fractions

  • elflacodepr
  • · Replies 1 ·
Replies
1

Transformations Between Coordinate Systems

  • Shpoon
  • · Replies 4 ·
Replies
4

How can I factor a cubic equation?

  • luv2smile
  • · Replies 3 ·
Replies
3

Finding Probabilities of Cell Generations

  • warenzeichen
  • · Replies 1 ·
Replies
1

Sketching Graphs: Homework Answers

  • skeeterrr
  • · Replies 7 ·
Replies
7

Height of an object given angles of depression

  • DJ24
  • · Replies 3 ·
Replies
3

Homogenous system - Nontrivial solutions

  • shiri
  • · Replies 1 ·
Replies
1

Where Can Exponents Be Found in the Real World and Science?

  • Chaseyomont
  • · Replies 1 ·
Replies
1

Please find Fourier Series problem?

  • chemical.ojas
  • · Replies 3 ·
Replies
3

Rearranging equation - Relativistic doppler

  • roberto85
  • · Replies 2 ·
Replies
2

Simplified Notation for 2.45/2.5x10^17m^-2: Understanding Correct Form

  • you_of_eh
  • · Replies 3 ·
Replies
3

Rocket acceleration/displacement problem

  • UNDEAD WAFFLE
  • · Replies 2 ·
Replies
2

Solve Absolute Values: z∈C |z - 1| = 5, |z - 4| = 4, |4 - z2| = z

  • Hannisch
  • · Replies 5 ·
Replies
5

Probability of Winning a Dice Game: Homework Statement and Solutions

  • KEØM
  • · Replies 2 ·
Replies
2

Finding W and Theta in Simultaneous Equations

  • camino
  • · Replies 17 ·
Replies
17

Prove by induction that nCk is always a natural number

  • nietzsche
  • · Replies 5 ·
Replies
5

Logic Statement Weights - Proving Sum is -1

  • njama
  • · Replies 3 ·
Replies
3

Polynomial Division: Simplifying 3rd Roots in Denominator

  • Hannisch
  • · Replies 2 ·
Replies
2

How Do You Calculate Battery Life Probability After 180 Hours?

  • EskShift
  • · Replies 1 ·
Replies
1

Very hard trig solution that is way too long

  • tdude
  • · Replies 5 ·
Replies
5

Proving b = a^{-1} = a^2 = a + 1 in Field F_4 with 1 + 1 = 0

  • JG89
  • · Replies 1 ·
Replies
1

Solve Square Root Method: (x-1)^2 = 4

  • elflacodepr
  • · Replies 4 ·
Replies
4

Rational and irrational numbers. (semi- )

  • Sven
  • · Replies 1 ·
Replies
1
Replies
1

Inverse of a function (Gr 12 math)

  • Senjai
  • · Replies 1 ·
Replies
1

Standard Deviation Word Problem

  • kwikness
  • · Replies 3 ·
Replies
3

2 Problems/Trig Function and Identity

  • APHELION
  • · Replies 6 ·
Replies
6

Solving Simple Trig Identities Homework Problem

  • Sneaky07
  • · Replies 4 ·
Replies
4

Properties of exponents and logs problem

  • fatcrispy
  • · Replies 6 ·
Replies
6

How Can Scientists Effectively Prove Their Statements?

  • chlwlgns9107
  • · Replies 1 ·
Replies
1

Finding the Vector Eqn of a Line

  • d=vt+1/2at^2
  • · Replies 2 ·
Replies
2

I'm second guessing myself on Limits

  • Ithina
  • · Replies 1 ·
Replies
1

Find all ordered pair of integers for a diophantine equation

  • choob
  • · Replies 4 ·
Replies
4