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.
Can You Solve This Combinatorics Problem Involving Arrangements of X and Y?
Replies
1
Views
2K
A logarithm of a single quantity
Replies
4
Views
4K
Proof of Cauchy Schwarz for complex numbers
Replies
3
Views
4K
Graph function of f(x) with max/min. Don't know what the problem is.
Replies
7
Views
5K
What mistake did Mindy make when solving this quadratic equation?
Replies
6
Views
2K
Solving for C in 1.41 = |(1+1.10iC)/(1+0.1iC)|
Replies
4
Views
2K
Inequality Proof: 1 < (1+ab)/(a+b) for a, b > 1 | Check My Work"
Replies
9
Views
3K
Probability of Same Last Digit Product of Random Integers
Replies
8
Views
2K
Calculating Number of Students in Second Class: Average Score Statistics
Replies
2
Views
2K
Understanding 20 ÷ 2(1+1)= ? - Homework Help
Replies
5
Views
2K
Solving Probability Question Homework re:Discrimination in Jury Selection
Replies
2
Views
2K
How do you solve for g(x) using given points on the graph of f(x)?
Replies
4
Views
3K
What would be the solution to this equation?
Replies
2
Views
2K
Calculating dimensions from area and volume
Replies
9
Views
6K
Find Coordinates & Area of Triangles with Math Functions
Replies
4
Views
4K
Problem with finding multiple solutions to a trigonometric equation
Replies
2
Views
7K
Looking for descriptive material about log inequalities.
Replies
1
Views
2K
Equation of circle with arc length
Replies
9
Views
3K
Lost with Probability homework
Replies
2
Views
2K
How Many Rotations Does Circle B Make Inside Circle A?
Replies
6
Views
2K
Intersection of unindependent events
Replies
1
Views
2K
Probability of Picking Red, Blue, and Red from a Bag without Replacement
Replies
1
Views
2K
Hyperbola Word Problem: Meteorologists and the Speed of Sound
Replies
1
Views
7K
Fibonacci sequence problem (simple?)
Replies
3
Views
3K
Simplifying Expression: 2(x-3)(x+2) + (x-3)^2 Explained
Replies
1
Views
2K
Math Modeling - Dynamical Systems -
Replies
1
Views
2K
Parametric to Polar Conversion
Replies
3
Views
11K
Trig Identity: Solving Cos(x/2) = 1/2 and the Proper Use of Plus or Minus
Replies
5
Views
2K
Cos Theta/Sin Theta=10.11; Solve for Theta
Replies
3
Views
2K
Determining whether or not (a,0,0) and (a,b,0) are subspaces of R3
Replies
4
Views
8K
Hyperbola: Find Vertices, Foci & Asymptotes
Replies
9
Views
3K
Can You Help Verify This Calculus Derivative Solution?
Replies
10
Views
2K
Find an equation for the hyperbola.
Replies
6
Views
5K
Properties Of Matrices with the same Column Space
Replies
1
Views
8K
Linear algebra square matrices
Replies
3
Views
2K
Developing a formula from cube equation
Replies
4
Views
2K
Simplify Radical sqrt(65/7)/[2sqrt(2)] | Step-by-Step Guide & Explanation
Replies
5
Views
2K
Finding the equation of an ellipse
Replies
3
Views
3K
What does a row of zeros indicate in a 4x5 matrix?
Replies
2
Views
2K
Triple scalar product question
Replies
1
Views
2K
Parabola Midpoint: Find Equation of Locus
Replies
3
Views
3K
Requesting the Help of some Physics Majors
Replies
1
Views
1K
Discovering the Meaning of a Plane Equation in 4D | Homework Equations
Replies
3
Views
2K
Which Option Should I Choose? My Dilemma...
Replies
3
Views
2K
Prove Midpoint of Hyperbola Chord PQ is on Curve c2(x2+y2)+axy(a-2x)=0
Replies
4
Views
2K
Moons Orbit Ellipse: Perilune, Apolune, Coordinates
Replies
10
Views
5K
Solving Trigonometric Equations: TanΘ=4/3
Replies
14
Views
2K
Solve for x in this logarithm question
Replies
4
Views
2K
Functions. Least/Greatest value and f(x)+1=0 issue.
Replies
2
Views
5K
Sets and Logics, problem to solve a question
Replies
11
Views
2K
Solve Inverse Function: x^3 + x + x^(1/2)
Replies
9
Views
2K
Determining X Value with De Morgan's Laws - Need Help
Replies
4
Views
2K
Simple function substitution question
Replies
3
Views
2K
Going through solution and stuck on a step
Replies
2
Views
2K
A question on modular arithmetics
Replies
5
Views
3K
Analytic geometry question: Finding the Parameters of an Ellipse
Replies
7
Views
3K
Finding the Foci of a Quadratic: Working with y^2=1-2x^2
Replies
3
Views
3K
Linear Transformations (T o S?)
Replies
14
Views
7K
Solving Composite Functions with Simple Examples
Replies
4
Views
1K
Solving Geometric Progression & Logarithmic Equations Math Questions
Replies
5
Views
2K
Solving Trigonometric Equations on Mobile
Replies
8
Views
2K
Is sec θ/sec θ = 2sec θ? | Math Q&A
Replies
3
Views
2K
Locating a Moving Point P: x+y=9
Replies
1
Views
2K
Rescaling Data Set: Solve Math Question for Physics Lab
Replies
1
Views
2K
What Is the Exact Value of x That Minimizes y for Positive x?
Replies
2
Views
2K
Understanding Sample Space: Explaining a Tricky Dice Question
Replies
2
Views
2K
Graphing a function and finding the domain and range
Replies
2
Views
3K
Help! Project Due in 2 Hours and I'm Confused!
Replies
1
Views
2K
Come up with a sine equation for the following word problem.
Replies
8
Views
5K
Fitting a graph to data points.
Replies
2
Views
2K
Gauss-Jordan Elimination Rules
Replies
2
Views
9K
How Do You Transform the Graph of f(x) = 3x - 2 to g(x) = 6x + 1?
Replies
9
Views
2K
Sec(a-B) = (cota cotB+1)/(1+tanatanB)
Replies
8
Views
6K
How to Solve Logarithmic Equations Using Change of Base Formula?
Replies
10
Views
6K
Solve Cot (a- B) = (cot a cot b + 1) / cot B - cot a
Replies
1
Views
2K
Factoring polynomial - Seems difficult
Replies
9
Views
5K
Orthogonally diagonalizing the matrix
Replies
6
Views
7K
Oh god Gauss-Jordan Elimination.
Replies
5
Views
4K
Probability problem - birthdays
Replies
2
Views
2K
Well, I've forgotten intermediate algebra
Replies
7
Views
6K
Solve Permutation Problem: 36 Combination Lock
Replies
2
Views
2K
How do i distinguish cosine and sine functions
Replies
2
Views
3K
Simple inequalities question I promise
Replies
6
Views
1K
Solving for X inside of a 3X3Matrix
Replies
2
Views
1K
How to Convert Equations with Variables?
Replies
2
Views
1K
Can a Taylor series approximation be used to solve a mixed logarithmic equation?
Replies
3
Views
3K
How Many Four-Digit Numbers Contain At Most Two Different Digits?
Replies
4
Views
5K
Why Do Exponential Rules Affect Equations Like -(y^2-1)^(1/2) = (1-y^2)^(1/2)?
Replies
1
Views
2K
How many times does cos(96πt)cos(4πt)=0 during t=0 to t=1s?
Replies
7
Views
2K
Solving a determinant using another determinant
Replies
1
Views
2K
Which Trig Function Should You Use to Solve for c in a Right Triangle?
Replies
3
Views
3K
Intersect Two Perpendicular Planes?
Replies
3
Views
2K
Solving Equation for c: Analytical or Numerical Method? | Possible Integer A
Replies
5
Views
2K
Perpendicular distance between two skew lines?
Replies
1
Views
3K
No. of quadrilaterals in a polygon
Replies
1
Views
3K
Point of Intersection of two lines
Replies
7
Views
3K
How does this fit the equation of a hyperbola?
Replies
4
Views
2K
Prove (u+v)dot(u-v)=0 iff |u|=|v|
Replies
4
Views
11K
[VECTORS] Got the answer, lack visual understanding
Replies
3
Views
2K
Efficiently Separate Complex Expressions | Simplify Fractions
Replies
1
Views
2K