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.
Question about two different combination problems
Replies
4
Views
2K
Solve nxn Determinant Homework
Replies
3
Views
2K
Finding complex number with the lowest argument.
Replies
10
Views
2K
Solving Arithmetic Progression: Sum and Product of Four Integers
Replies
4
Views
2K
Trigonometric equations (finding angles)
Replies
6
Views
2K
What Math Workshop Topic Engages Science Fair Audiences?
Replies
4
Views
1K
Number of objects distributed between four people
Replies
3
Views
2K
Number of ways to move the king across chess board
Replies
8
Views
2K
Complex Solution to an Exponential Equation
Replies
14
Views
2K
Roll 5 Dice Simultaneously: Probabilities and Conditional Probability
Replies
11
Views
3K
Determining the area of a triangle
Replies
11
Views
2K
Word problem to understand the large size of Avogadro's Number
Replies
2
Views
2K
Solutions of this equation can be found in which range?
Replies
7
Views
2K
What is the area of a square drawn inside a triangle?
Replies
8
Views
2K
Number of ways to arrange 9 people in 5 spots, given conditions
Replies
10
Views
4K
Arithmetic and Geometric sequence problem
Replies
4
Views
2K
Finding Product of Complex Polynomial Roots
Replies
14
Views
2K
If all 3 roots of ##az^3+bz^2+cz+d=0## have negative real part
Replies
6
Views
3K
One more Linear Transformation
Replies
9
Views
2K
Linear Transformations p2 to R2
Replies
16
Views
4K
Solving Sets of Matrices for Proving Equivalence Relation
Replies
8
Views
2K
Number of partitions for a finite set
Replies
4
Views
2K
Number of non negative integer solutions to this inequality
Replies
6
Views
10K
Solving Simultaneous Inequalities
Replies
7
Views
2K
Linear Transformation of R2 to R1: Determining Linearity of f(x,y)=xy
Replies
32
Views
4K
How to interpret or read this?
Replies
6
Views
1K
Solving Equations of Sets in P(E)
Replies
9
Views
2K
Finding the eigenvectors of a matrix A
Replies
4
Views
1K
What is the expectation of a random process with unequal probabilities?
Replies
16
Views
2K
What Is the Exact Value of Sin 345.5 Degrees?
Replies
9
Views
4K
How to Calculate Stock Prices?
Replies
11
Views
3K
ILinear Transformations / Isomorphs
Replies
16
Views
2K
How Much Will Your Annual £1000 Investment Grow in 25 Years with 5% Interest?
Replies
7
Views
2K
Evaluating Finite Sum: Homework Statement
Replies
5
Views
2K
Expressing n in Terms of x: Solving for n in the Equation x=n*cos(90-360/n)
Replies
4
Views
2K
Understanding Time-Invariant and Variant Systems: Examples and Solutions
Replies
3
Views
1K
Discrete Math: Poset Characteristics and Minimum Element Count
Replies
4
Views
2K
Solving System of Equations Homework: Trig & mv^2/L
Replies
8
Views
2K
Proof by combinatorial argument
Replies
4
Views
2K
Sum the even numbers between 1000 and 2000 inclusive
Replies
8
Views
10K
Find real solutions to an equation
Replies
17
Views
3K
Find the probability of a prize
Replies
1
Views
1K
Cosine and sine of 2Pi/5 problem
Replies
25
Views
8K
Resolving angle of parallelogram in 3D space
Replies
1
Views
2K
Primitives triangle with smallest side an even number
Replies
8
Views
3K
What is the Appropriate Cost Function for a Start Up Business?
Replies
3
Views
2K
Finding the Intersection of a Sinusoidal Function and a Line
Replies
4
Views
5K
A coin toss probability problem
Replies
6
Views
2K
Finding Solutions for Polynomial Division: Where to Begin?
Replies
22
Views
3K
How do i show if this is associative or not?
Replies
11
Views
2K
Linear Independence of trigonometric functions
Replies
31
Views
7K
Solve System of Equations: l, λ & x,y,z
Replies
17
Views
2K
Equivalence Classes Homework Solutions
Replies
6
Views
2K
Coordinate Transformation for Projectile Motion Calculations
Replies
6
Views
2K
Can a Finite Set of Vectors Form a Subspace?
Replies
4
Views
2K
Can Logarithmic Properties Simplify This Equation?
Replies
12
Views
3K
Trigonometric Problem: Solving for sin(x/2)*cos(5p/4) with Given Conditions
Replies
18
Views
3K
Why Use Logarithms to Solve Trig Problems?
Replies
6
Views
2K
Vectors Q: Solving OR & OP | Homework Forum
Replies
4
Views
2K
Is My Solution to This Log Question Correct?
Replies
15
Views
3K
Problem 42 on Gelfand's Algebra (on neighbor fractions)
Replies
7
Views
3K
Does This Set Form a Basis for R2?
Replies
13
Views
2K
Finding the quadratic equation that suits the solutions
Replies
2
Views
2K
Exact Value of Sin 65 Degrees: Trigonometry Identities for Finding the Solution
Replies
3
Views
5K
Statistics - Finding standard deviation of an angle
Replies
9
Views
5K
Finding two possibilities of depth when volume is given?
Replies
7
Views
5K
Spivak's Calculus (4th ed): Chapter 1 Problem *21 Inequality
Replies
1
Views
3K
Adding and subtracting polynomials
Replies
6
Views
2K
Polynomial Division (continued from osnarf's problem)
Replies
17
Views
2K
Finding the focus points of a hyperbola
Replies
3
Views
2K
Solving a system of equations for four variables
Replies
14
Views
2K
Find inverse for f(x)= x/(1+x)
Replies
10
Views
2K
Inverse and composition of functions
Replies
6
Views
2K
Conic Section Equation Rotation Using Tan2β and x,y Coordinates
Replies
27
Views
3K
How Do You Rationalize the Denominator to Solve for a+b?
Replies
3
Views
1K
Transfer function algebraic manipulation
Replies
3
Views
2K
Proving the Existence of a Rotation Matrix from Given Relations
Replies
3
Views
2K
Proving a graph not simple and planar after adding edges
Replies
4
Views
2K
Write i^(2i) in the form a + bi?
Replies
13
Views
2K
Prove that no such functions exist
Replies
2
Views
1K
Find Limits of a Function with Discontinuity | Homework Statement
Replies
9
Views
2K
Understanding Percentages in Sales Commissions: Finding the Correct Calculation
Replies
8
Views
3K
What Are the Benefits of Incorporating Redundancy in Math Test Questions?
Replies
2
Views
1K
Please ask me questions to challenge my knowledge
Replies
2
Views
2K
Density of Copper: Calculate & Use Significant Figures
Replies
4
Views
2K
Utilizing Cayley-Hamilton's Theorem to Solve N x N Determinant Problem
Replies
4
Views
1K
Probability of Picking a Rotten Egg: Combinatorics Solution
Replies
8
Views
2K
Upside down parabola equation -- needed for a quiz
Replies
17
Views
8K
Help understanding a set and its distribution
Replies
2
Views
1K
What should be my sequence of operations here? (factoring)
Replies
9
Views
2K
Rationalize denominator & factorising quadratic equations.
Replies
2
Views
2K
Range of value to satisfy sufficient and necessary condition
Replies
3
Views
2K
Proof of Complex Conjugates and Real Coefficients | Complex Numbers Homework
Replies
3
Views
2K
Why is Percent Change Calculated Like This?
Replies
2
Views
3K
How many elements does the set A union B have?
Replies
29
Views
3K
Answer: 10-Card Hand w/ 2 4-of-a-Kinds - No Pairs/3 of a Kinds
Replies
6
Views
2K
Find Value of Limit Involving Trig. Identity w/o L'hopital Rule
Replies
8
Views
2K
Evaluating Sum from j=1 to n: i=k
Replies
2
Views
1K
Determining the Period of sin(ax)*cos(bx)
Replies
9
Views
6K
Finding distance for a given value between vectors
Replies
4
Views
2K