Precalculus Mathematics Homework Help Forum

Post thread
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.
Constructing two parallel planes in R3
Replies
2
Views
2K
Probability Estimation with NETICA: Help for Civil Engineering Student"
Replies
3
Views
4K
Is cos(x - (pi/2)) equal to cos(x)tan(x)?
Replies
1
Views
2K
What Is the Minor Value of n in the Newton Binomial Problem?
Replies
6
Views
2K
Where Did I Go Wrong with the Cosine Formula?
Replies
2
Views
2K
Can Complex Function q(z) Be a Contraction Mapping?
Replies
1
Views
2K
What Is the Probability of Exactly Two Matching Cards in Envelopes?
Replies
1
Views
4K
Angle of Vectors a and b with Orthogonal Unit p and q
Replies
8
Views
2K
What Is the Standard Deviation of the Sample Mean for an Infinite Population?
Replies
1
Views
2K
Probability of Producing High-Priced Miniature Mules from Breeding Stock
Replies
1
Views
2K
Finding the Point of Intersection: A Simpler Approach
Replies
5
Views
34K
Solve cos2xsinx=1: Simplifying and Finding X
Replies
4
Views
5K
How do I find the area of the blue section in this trig circle problem?
Replies
2
Views
1K
Mean Score of Female Students in Class of 30: 78
Replies
3
Views
2K
Solving C: Recursive Rule for Sequence 2, 6, 8, 14, 22, 36
Replies
2
Views
1K
Trig Problem - Way Overthinking This
Replies
12
Views
3K
Square Root 3/2 and 0.8660: Explained
Replies
7
Views
5K
Help with factor large numbers
Replies
6
Views
2K
Find explicit function or functions corresponding from implicit
Replies
8
Views
3K
Infinite limit as X tends to infinity
Replies
5
Views
2K
Find the compositions of these functions?
Replies
7
Views
2K
How do i read a frequency graph?
Replies
4
Views
3K
Proving Permutations for Natural Numbers n and r: A Comprehensive Guide
Replies
3
Views
2K
Solving for Parasitic Worm Eggs in Moose Feces using Probability Distribution
Replies
1
Views
2K
Solving a polynomial with complex properties
Replies
4
Views
4K
Proof or counterexaample of Floor 7 Ceiling
Replies
2
Views
6K
Intermediate Algebra Factoring
Replies
9
Views
4K
Solving Trigonometry Question: Bicycle Wheel Diameter and Speed Calculation"
Replies
1
Views
3K
Please help me to find the probability of this question.
Replies
2
Views
2K
Solve PreCalc Question: Population Growth in 10 Years
Replies
1
Views
2K
Quadratics with inequalities from spivak's calc
Replies
2
Views
2K
Finding the basis for a set of polynomials (linear algebra)
Replies
1
Views
6K
Find equation of parabola with focus and directrix
Replies
1
Views
6K
Probability Question: No Couples in Randomly Split Groups of Four Couples
Replies
4
Views
2K
Probability of Getting 40/40 on MCQ Test by Guessing
Replies
1
Views
3K
Mixing Saline Solutions for Desired Concentration
Replies
1
Views
1K
Expressing 2*4*6*8*10*etc. mathematically
Replies
4
Views
3K
Simplifying Sin[3θ] to Simplifying Trigonometric Expressions
Replies
1
Views
3K
Help with negative binomial distributions
Replies
1
Views
2K
How would you simplify [tex]a(y-b/3a)^3[/tex]
Replies
1
Views
2K
Cubic Formula: Step-by-Step Solution for Finding x
Replies
2
Views
2K
Calculating R Square of an Exponential Function
Replies
4
Views
30K
Permutation and combination question
Replies
1
Views
2K
A simple Linear Algebra question that seems so hard
Replies
4
Views
2K
Find the Factor for Change in y Due to x & z
Replies
11
Views
2K
Double variable equation- how to solve?
Replies
6
Views
4K
Scalar Plane Equation for Vectors AB and Point P | 3D Cartesian Space
Replies
3
Views
2K
Find x and y in the following trig problem
Replies
1
Views
1K
Calculate Initial Acceleration Needed to Throw a Ball from Point A to B
Replies
5
Views
2K
How to Find the Center and Radius of a Circle: Circle Equation Help
Replies
16
Views
3K
Unique Arrangements of n As and Bs in a Circle | Combinatorics Homework
Replies
10
Views
3K
P is not a subspace of R3. Why?
Replies
8
Views
2K
Solving Arc Tangent Squared: tan(2x) - 3cot(2x) = 0
Replies
3
Views
10K
Addition of exponents disconnect
Replies
5
Views
2K
Can You Solve These Challenging Algebra and Geometry Problems?
Replies
12
Views
3K
Solving the Direction of an Airplane Flying in the Wind
Replies
1
Views
8K
Probability question - Bayes' Theorem - 4 Balls, 2 white, P(all white) = ?
Replies
4
Views
14K
Finding x-intercept of cubic functions? / Factoring cubic functions
Replies
6
Views
56K
Find Coefficient of x^9y^10 in (3x^3 - 4y^2)^8 | Combinatorics Problem Solution
Replies
2
Views
2K
Proving Trig Identities: Is this Question Referring to the Pythagorean Identity?
Replies
2
Views
2K
Can someone help me simplify this ellipse equation?
Replies
1
Views
2K
Solving Infinite Sums/Series: Kid Tutoring Homework
Replies
5
Views
2K
Help with Logarithms: Expressions in Terms of r, s, & t
Replies
4
Views
3K
Solve Parabola Equation: (10,0) ((13,27) (16,0)
Replies
1
Views
2K
Understanding Vector Spaces: Axioms and Operations
Replies
5
Views
4K
Quick Eigen Vector Question: Finding Eigen Vectors for Matrix A | Homework Help
Replies
2
Views
2K
What is the Solution for W, X, Y, and Z?
Replies
1
Views
2K
Finding intervals of trig functions
Replies
15
Views
17K
Solving equation involving trigonometry and complex numbers
Replies
2
Views
5K
Probability/Statistics Question
Replies
6
Views
3K
F(x)=x+(5/x), how do i find f^-1(x)?
Replies
1
Views
2K
Function & Domain - Math Homework
Replies
17
Views
3K
Using Euler's Formula to Evaluate Complex Numbers in Rectangular Form
Replies
3
Views
3K
Finding Inverse Functions: f(22)=9, f^-1(13)=7 | 1-1 Functions
Replies
4
Views
2K
Proving the Multiplication of Even Integers is a Multiple of 4: A Simple Proof
Replies
1
Views
5K
Algebraic Manipulation: Solving Complex Equations
Replies
2
Views
2K
Converting Kcal/day to umol/g/h
Replies
3
Views
3K
Calculating Sum of Series: 1, (4-a)x, (7-a^2)x^2...
Replies
1
Views
2K
Inverse Function: Finding x for y in f(x)
Replies
1
Views
2K
What exactly does the period tell you in a trig graph?
Replies
1
Views
3K
Solve for Alpha(a): 3 Equations with Unknowns in Matrix - Need Help!
Replies
1
Views
2K
To derive a linearized form of following equations
Replies
3
Views
14K
Vector Integration Prove: Int over Closed S=0
Replies
1
Views
1K
How to find out the area of a shape
Replies
2
Views
3K
A question from the Russian/Soviet Math Olympiad
Replies
1
Views
5K
What is the probability that Mike Mouse will be included in the control group?
Replies
5
Views
2K
Range of a Function: Find h(x)
Replies
3
Views
2K
Why Can't I Derive r/R as √3 - 1 in This Chemistry Problem?
Replies
5
Views
2K
Probability function of a discrete random variable problem
Replies
1
Views
4K
How to Deduce the Coefficient of x^n in the Expansion of (x+3)(1+2x)^(-2)?
Replies
1
Views
2K
Volume of a solid limited by two paraboloids
Replies
5
Views
2K
What Causes Discontinuity in the Function 3/(x^2+x-6)?
Replies
18
Views
3K
Solving Linear Equations to Mastering Homework Problems
Replies
11
Views
2K
Finding the exact value for period in radians
Replies
2
Views
5K
Solving for a variable when the square root of a formula is in the denominator
Replies
7
Views
5K
How to Simplify a Tricky Fraction?
Replies
6
Views
3K
Why Does Adding 's' Change to Subtracting 'c' in This Algebraic Expression?
Replies
2
Views
2K
How can I factor a cubic equation by hand to find the x-intercepts?
Replies
3
Views
3K
(n+1) <100000 how do i find n?
Replies
8
Views
2K
Domain of Square Root Function: Solving Inequalities for x ≤ -2
Replies
3
Views
2K