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

Reduced Row Echelon/Solution Set Problem

  • iasc
  • · Replies 5 ·
Replies
5
Replies
4

Is This Differential Equation Misplaced in the Precalculus Forum?

  • fan_103
  • · Replies 7 ·
Replies
7

Functions Questions Homework Help: 3, 4, 8, 9 & 10

  • gangsta316
  • · Replies 3 ·
Replies
3

Solving Linear Math Inverse Homework: A=4e^4txsin(4t)

  • ~Sam~
  • · Replies 4 ·
Replies
4

Drawing a picture using math equations

  • Matt1234
  • · Replies 8 ·
Replies
8

How to Negate Complex Logical Assertions in Mathematics?

  • Pythagorean12
  • · Replies 1 ·
Replies
1

What are the values of a that make A=0?

  • ~Sam~
  • · Replies 1 ·
Replies
1

Can addition formula be applied to more than 2 sums?

  • lax1113
  • · Replies 3 ·
Replies
3

How Do You Calculate the Determinant of Complex Matrix Expressions?

  • ~Sam~
  • · Replies 1 ·
Replies
1

Another Trigonometric Equation

  • TrueStar
  • · Replies 2 ·
Replies
2

What is the Convergence of the Product of All Reals?

  • bubbloy
  • · Replies 10 ·
Replies
10

What dimension is the surface of a cylindrical shell

  • kman12
  • · Replies 5 ·
Replies
5

How Do You Calculate the Area of a Motel Given Wall Lengths?

  • bleedblue1234
  • · Replies 8 ·
Replies
8

Understanding Natural Log Problem: Taylor Series Approach

  • mjordan
  • · Replies 10 ·
Replies
10

Vector Projection Homework: Figuring Out the Angle

  • iflabs
  • · Replies 1 ·
Replies
1

Expressing Sum Notations for 8+27+64+... and (1+x)^n(2+x)^n | Solution Steps

  • Mentallic
  • · Replies 10 ·
Replies
10

Find the convergents to the fraction

  • Pythagorean12
  • · Replies 2 ·
Replies
2

Why is the asymptote shifted and points don't match?

  • Matt1234
  • · Replies 6 ·
Replies
6

Convert 75 Degrees to Radian Measure - 5/12 pi

  • fatima_a
  • · Replies 2 ·
Replies
2

How Do You Find the Center of Rotation in Geometric Transformations?

  • DarkPhoenix
  • · Replies 1 ·
Replies
1

Word problem-I would like to check my procedure

  • stanton
  • · Replies 3 ·
Replies
3

Spivak Calculus- Chapter 1, Q1(v)

  • MathsLearner
  • · Replies 2 ·
Replies
2
Replies
5

Calculating Profit for DVD Manufacturing with Linear Relationship

  • stanton
  • · Replies 2 ·
Replies
2

What Are the Solutions for x in (x^5)-x = 8?

  • vorcil
  • · Replies 2 ·
Replies
2

Help with Sign Reversals in Solving Quadratic Inequalities

  • LearningMath
  • · Replies 6 ·
Replies
6

Proving \sum_{i=0}^n (i-3) \geq \frac{n^2}{4} with Mathematical Induction

  • James889
  • · Replies 5 ·
Replies
5
Replies
3

Solve Math Question: Rearrange Formula to Make y Subject

  • WillyVee
  • · Replies 6 ·
Replies
6

One last log law question. little more trickier.

  • Senjai
  • · Replies 2 ·
Replies
2

Log Law: Understanding -log_2\frac{1}{9}

  • Senjai
  • · Replies 3 ·
Replies
3

Proving the limit (delta epsilon)

  • zeion
  • · Replies 3 ·
Replies
3

How do i factor that induction expression?

  • James889
  • · Replies 3 ·
Replies
3

Solving Quadratic Equation: Find x for k=3000, m=5, g=9.81, d=1.3

  • mattmannmf
  • · Replies 2 ·
Replies
2

Check a , h , k are correct or ?

  • r-soy
  • · Replies 3 ·
Replies
3

Sum and Product of the Roots (Quadratic Equations)

  • zebra1707
  • · Replies 8 ·
Replies
8

Linear algebra - side of a cube is an integer?

  • Pagan Harpoon
  • · Replies 3 ·
Replies
3

Solving for PS: Adding Vectors PQ and QS in the Given Homework Statement

  • DarkPhoenix
  • · Replies 1 ·
Replies
1

Graph Analysis for Exam Preparation: Compare Graph 1 vs. Graph 2

  • r-soy
  • · Replies 1 ·
Replies
1

Proof of 1 + 3 + 5 + ... + (2n -1) = n2

  • zeion
  • · Replies 2 ·
Replies
2

Proof of a focus point on parabola and tangent line equal angles

  • lax1113
  • · Replies 1 ·
Replies
1

Partial Derivative of f(x,y) at (0,0): Find & Evaluate

  • zhuyilun
  • · Replies 2 ·
Replies
2
Replies
4

What Values of a, b, c, and d Make f(f(x)) = x for All x?

  • pyrosilver
  • · Replies 1 ·
Replies
1

- Integration, Rate of Change, and Volume of Revolution Questions

  • Timiop2008
  • · Replies 10 ·
Replies
10
Replies
2

Solving Quadratic Identities: 2x^2 + 7x - 5 = A(x-1)^2 + Bx + C

  • zebra1707
  • · Replies 7 ·
Replies
7

Driving me batty CSC^4x -COT^4x; simplify.

  • Agent M27
  • · Replies 2 ·
Replies
2

Proving the limit (epsilon delta) #3

  • zeion
  • · Replies 5 ·
Replies
5

Solving Exponential Equations SO CONFUSED ?

  • Monocerotis
  • · Replies 16 ·
Replies
16

Find an upper bound to the limit of a function

  • zeion
  • · Replies 3 ·
Replies
3

I face some difficulties to find the domain

  • r-soy
  • · Replies 9 ·
Replies
9

How Do You Calculate the Length of a Crease in a Folded Notecard?

  • um0123
  • · Replies 8 ·
Replies
8

Simplifying Polynomial Fractions

  • jumbogala
  • · Replies 7 ·
Replies
7

Verify Your Answer: Easy Steps to Checking Your Solutions

  • r-soy
  • · Replies 5 ·
Replies
5

Need help plotting a point in 3d space using 2 vector/origin sets.

  • Sintrinsic
  • · Replies 4 ·
Replies
4

Find Nature of Stationary Point of y=e^(x/2)-ln(x)

  • icystrike
  • · Replies 5 ·
Replies
5

Finding Eigenvectors for 4x4 Matrix A = 4 2, 0 1 | Homework Help

  • Dissonance in E
  • · Replies 4 ·
Replies
4

Question concerning average density

  • Emethyst
  • · Replies 2 ·
Replies
2

What is the Rule for Expanding Determinants?

  • ~Sam~
  • · Replies 4 ·
Replies
4

Fixed Point Equations - Exam Revision Help

  • morbello
  • · Replies 2 ·
Replies
2

How do I solve this linear equation using constant acceleration equations?

  • Osbourne_Cox
  • · Replies 12 ·
Replies
12

How Can Variables l and T Be Plotted to Determine k from a Graph's Slope?

  • General_Sax
  • · Replies 10 ·
Replies
10

Solving A Trignometric Equation

  • TrueStar
  • · Replies 5 ·
Replies
5

What Is the Answer to the Question in the Picture?

  • r-soy
  • · Replies 2 ·
Replies
2

How to solve linear equation in matrix form if determinat is zero

  • himanshu@iitp
  • · Replies 2 ·
Replies
2
Replies
4

5^(4-x)=1/5 Process for solving

  • Monocerotis
  • · Replies 1 ·
Replies
1

Simultaneous eqs methodology (4 vars)

  • jjc
  • · Replies 4 ·
Replies
4

Maximum and Minimum Problems in Exponential Functions

  • dnartS
  • · Replies 5 ·
Replies
5

Proving Limit #2: 0 < ||-7||x-1|| / |2x-1| < e

  • zeion
  • · Replies 3 ·
Replies
3

Given perpendicular vectors A and B, solve A x Y = B for Y

  • Fifthman
  • · Replies 1 ·
Replies
1

Vector problem simple question

  • vectordvd
  • · Replies 2 ·
Replies
2
Replies
4

Solve Rectangular Cattle Feeding Pen Problem - Find Domain of A(X)

  • r-soy
  • · Replies 6 ·
Replies
6

Why Is My Geography Professor Assigning Math Summation Problems?

  • axellerate
  • · Replies 6 ·
Replies
6

Understanding the Importance of Limits in Calculus

  • kenewbie
  • · Replies 2 ·
Replies
2

How can I find two perpendicular vectors in R^3 and a value of c?

  • Noxide
  • · Replies 3 ·
Replies
3

What is the approach to calculating line integrals in a vector field?

  • pakkanen
  • · Replies 7 ·
Replies
7

How Can Poisson Distribution Determine Refinery Capacity Needs?

  • Marbys88
  • · Replies 5 ·
Replies
5

Determine whether the equation represents y as a function of x

  • Psichlohomeo
  • · Replies 5 ·
Replies
5

Reciprocal of a quadratic function - math help

  • Matt1234
  • · Replies 5 ·
Replies
5

Help(Using a fourier series to find the sum of second series

  • Susanne217
  • · Replies 71 ·
3
Replies
71

Solve for P(Z<#) and P(|Z|<#) in Simple Statistics Problem

  • yopy
  • · Replies 2 ·
Replies
2

Math problem involving reciprocal of linear functions

  • Matt1234
  • · Replies 5 ·
Replies
5

Solve for x: Log x + (Log x)^2=0

  • FatLouieXVI
  • · Replies 7 ·
Replies
7

Polynomial, Division, Remainder

  • Anakin_k
  • · Replies 9 ·
Replies
9

Computing Per-Minute Storage for Full HD TV

  • KillerZ
  • · Replies 2 ·
Replies
2
Replies
1

Proving the statement directly: If k3 is even, then k is even.

  • zeion
  • · Replies 4 ·
Replies
4

Is (fg)(x) the same as (f(g(x))?

  • Michael17
  • · Replies 3 ·
Replies
3

Help with dot product for vectors

  • warfreak131
  • · Replies 2 ·
Replies
2

Calculating the normal vector to the surface

  • Natalie89
  • · Replies 1 ·
Replies
1

How Can I Correctly Set Up Equations for Graphing Production Constraints?

  • fellixombc
  • · Replies 5 ·
Replies
5

What is the domain of f(g(x)) given f(x)= radical 25-x^2 and g(x)= ln(x+3)?

  • Psichlohomeo
  • · Replies 6 ·
Replies
6
Replies
2

Calculate the angles in the triangle

  • Dafoe
  • · Replies 4 ·
Replies
4

How many parallelograms can be formed by intersecting parallel lines?

  • Noiro
  • · Replies 28 ·
Replies
28

When does this derivative equal 7

  • fghtffyrdmns
  • · Replies 5 ·
Replies
5