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 find the limit to this fraction (n=>infinity)

  • devanlevin
  • · Replies 4 ·
Replies
4
Replies
4

What is the best method for finding the argument of a complex number?

  • Niles
  • · Replies 9 ·
Replies
9

Discrete mathematics induction

  • Firestrider
  • · Replies 1 ·
Replies
1

Matrix with repeated eigenvalues

  • Shambles
  • · Replies 1 ·
Replies
1

How to factor cos22X + cos2X = 0

  • Aceradonia
  • · Replies 2 ·
Replies
2

Solving Linear Equality with Modulus

  • wanchosen
  • · Replies 2 ·
Replies
2

Surface defined by vector product

  • bigevil
  • · Replies 5 ·
Replies
5
Replies
3

Determine (without doing row operations) that a system is consistent

  • JJBladester
  • · Replies 4 ·
Replies
4

Unit Circle Trigonometric Functions

  • kyrga
  • · Replies 2 ·
Replies
2

Analyzing Sample of 28 Dumplings: Is Production Standard Met?

  • tommyhakinen
  • · Replies 2 ·
Replies
2

Linear Algebra and Matrices, Subspaces, basis

  • war485
  • · Replies 3 ·
Replies
3

Finding the Cosine of the Angle Between Diagonals in a Parallelogram

  • Final777
  • · Replies 2 ·
Replies
2
Replies
3

Are Secant and Trigonometric Identities Confusing in Calculus?

  • The_ArtofScience
  • · Replies 2 ·
Replies
2

Verifying some Concepts in Matrix/Linear Algebra

  • war485
  • · Replies 5 ·
Replies
5

I need to find Lim (x->0) arcsin(2x)/arcsin(3x) by substitution

  • Petkovsky
  • · Replies 2 ·
Replies
2

Finding x and y Equations without t: Tips and Tricks

  • devanlevin
  • · Replies 5 ·
Replies
5

[Mechanics] Solving equations with 2 variables

  • tigerd12
  • · Replies 1 ·
Replies
1
Replies
5

Making a Wine Glass in Graphmatica: Solving the X-Axis Issue

  • Parkey
  • · Replies 2 ·
Replies
2

How can you solve P(x)=0 for a given polynomial function?

  • helpmedude
  • · Replies 6 ·
Replies
6

Power Of 0 = 1 (Explain Please)

  • Nick-30
  • · Replies 8 ·
Replies
8

Trigonometric Equation Simplification Strategies

  • parise19
  • · Replies 2 ·
Replies
2
Replies
12

Find poly F(X) with lowest degree with ratio coeffs and 2 given zeros

  • helpmedude
  • · Replies 2 ·
Replies
2

Answering SAT Graphing Question: Finding Values of x from 0 to 12

  • JBD2
  • · Replies 2 ·
Replies
2

Stats question , have work and answer shown

  • deaky220
  • · Replies 1 ·
Replies
1

Is the Intersection of Two Subspaces Also a Subspace?

  • forty
  • · Replies 3 ·
Replies
3

Turning to a single logarithm then simply.

  • DCHomage
  • · Replies 20 ·
Replies
20
Replies
4

Inverse of Logarithm: Understanding ax

  • nobahar
  • · Replies 7 ·
Replies
7

Find (7 - j4) (4 - j3) - complex numbers

  • morbello
  • · Replies 5 ·
Replies
5

Solve Weird Math Question: Find Value of x1+x2+x3+x4+x5/2

  • ritwik06
  • · Replies 1 ·
Replies
1

How Many 5-Character Strings Include At Least One '@' Symbol?

  • duke_nemmerle
  • · Replies 1 ·
Replies
1

Subtracting integers with powers

  • PhyStan7
  • · Replies 3 ·
Replies
3

Proving 8 Digit Number Divisible by 137 by Induction

  • haoku
  • · Replies 1 ·
Replies
1

What is the equation for making theta the subject in this scenario?

  • questions_uk
  • · Replies 5 ·
Replies
5

Solving a trigonometric equation

  • angel_4_ever3
  • · Replies 3 ·
Replies
3

Find Line in Plane Passing Through (2,3,6)

  • dtl42
  • · Replies 3 ·
Replies
3

Verifying Identity: sinX(1-2cos^2x+cos^4x)=sin^5x

  • louie3006
  • · Replies 2 ·
Replies
2

Are the given trigonometric identities correct?

  • louie3006
  • · Replies 1 ·
Replies
1

Vector - points in same direction

  • marionca57
  • · Replies 2 ·
Replies
2

Proving the Trig Identity tanx+cotx=2csc2x

  • DethRose
  • · Replies 11 ·
Replies
11

How Can You Simplify the Derivative of Ln(x + 1/x)?

  • jorgen
  • · Replies 6 ·
Replies
6

Proving an inequality (not induction)

  • Bleys
  • · Replies 3 ·
Replies
3

Solving 600L of 30% Acid Algebra Problem

  • emma3163
  • · Replies 3 ·
Replies
3

Linear Dependence: Is (1,0,0), (-3,7,0) & (1,1,0) Independent?

  • forty
  • · Replies 4 ·
Replies
4
Replies
3

Just couldnt figure this out = (2)

  • toni
  • · Replies 5 ·
Replies
5

Badly worded probability question?

  • kenewbie
  • · Replies 10 ·
Replies
10

Solve SAT Math Question: \frac{x}{t} with x and t Positive

  • JBD2
  • · Replies 8 ·
Replies
8

Calculation of length inside a circle

  • thomas49th
  • · Replies 7 ·
Replies
7

Find Equation of Plane: Cartesian & Parametric Form

  • forty
  • · Replies 4 ·
Replies
4

Need help solving/graphing some inequalities

  • rought
  • · Replies 2 ·
Replies
2

How Do You Simplify Complex Fractions with Nested Radicals?

  • russdot
  • · Replies 1 ·
Replies
1
Replies
7

How Does Translating Equilateral Triangle Graph Coordinates Work?

  • nobahar
  • · Replies 2 ·
Replies
2

Draw graph of quadratic function 87x - 700 - x^2

  • education1983
  • · Replies 4 ·
Replies
4

Radius of Circle: Solving SAT Practice Problem

  • lax1113
  • · Replies 5 ·
Replies
5

How to Solve Supplementary Angle Word Problems?

  • offtheleft
  • · Replies 1 ·
Replies
1

Image Set of fx = (2x^2 + 2x + 1)/(x^2 + x - 1)

  • takercena
  • · Replies 11 ·
Replies
11

Is the sqrt( -1) = i , or plus-minus i

  • Unassuming
  • · Replies 2 ·
Replies
2

Math Contest Help: Get Reasonable Solutions & Explanations

  • ballaholic8
  • · Replies 1 ·
Replies
1

Is the Trigonometry Book Wrong? Conflicting Answers for x in secx^2-4=0

  • Liger20
  • · Replies 5 ·
Replies
5

Maths: Make dn Subject in Equation

  • questions_uk
  • · Replies 6 ·
Replies
6

Are (A then B) then C and (A and B) then C equivalent?

  • Gamecockgirl
  • · Replies 2 ·
Replies
2

Need help with a problem solving question

  • Bcogswell
  • · Replies 2 ·
Replies
2
Replies
2

Maths question - multiplying by sin

  • questions_uk
  • · Replies 15 ·
Replies
15

What is the function g(x) given h=g \circ f and f(x)=x+1, h(x)=x^3+3x+1?

  • Дьявол
  • · Replies 8 ·
Replies
8

Just couldnt figure this out =

  • toni
  • · Replies 2 ·
Replies
2
Replies
2

Domain of f o g: Finding the Range of Composed Functions

  • rootX
  • · Replies 10 ·
Replies
10

A confusing trigonometric question

  • Hells_Kitchen
  • · Replies 2 ·
Replies
2

Concept of Invertible Matrices

  • war485
  • · Replies 4 ·
Replies
4

How does one represent this in math

  • wildman
  • · Replies 2 ·
Replies
2

Simplifying Trig Equation for B w/ Alpha & Beta

  • neutrino2063
  • · Replies 3 ·
Replies
3
Replies
3
Replies
6

Quaratic Equation (roots and coefficients)

  • ritwik06
  • · Replies 5 ·
Replies
5
Replies
1

Help Me Prove Radius is Twice as Large for Bigger Circle

  • david18
  • · Replies 3 ·
Replies
3
Replies
5
Replies
6

Simple complex number question

  • Crosshash
  • · Replies 1 ·
Replies
1

Calculating Concrete Materials for 1.68m³ Base

  • matfive
  • · Replies 3 ·
Replies
3

Periodicity of Inverse Trigonometric Functions

  • Liger20
  • · Replies 3 ·
Replies
3

Vectors, line contained within plane

  • craka
  • · Replies 1 ·
Replies
1

Confirmation in my solution to finding these roots

  • subopolois
  • · Replies 1 ·
Replies
1

How to Bound the Limit of Arithmetic Mean from Below

  • JG89
  • · Replies 2 ·
Replies
2

Real Solutions for Quadratic Equation 5x^2+2x+1=0

  • jvignacio
  • · Replies 4 ·
Replies
4

Sequences and series help / recurrence relation

  • tweety1234
  • · Replies 1 ·
Replies
1

Proving Trigonometric Identity: cosx/1-sinx + 1-sinx/cosx = 2secx + 2tanx

  • brianlane24
  • · Replies 7 ·
Replies
7

Linear Function of x: Simplifying ln(y) with 6.3 and 1.5 coefficients

  • enkrypt0r
  • · Replies 2 ·
Replies
2

What is the Graph Behavior of a Polynomial Function?

  • jacksonpeeble
  • · Replies 5 ·
Replies
5

Proving Function Properties with Subsets

  • Enjoicube
  • · Replies 3 ·
Replies
3

Ferris Wheel - Trigonometric Function

  • Sabellic
  • · Replies 5 ·
Replies
5
Replies
3