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 to Simplify a Rational Function
- LoA
- · Replies 2 ·
How Do You Calculate the Area of a Regular Octagon Cut from a Square?
- Idiotinabox
- · Replies 3 ·
An incomplete (maybe wrong) proof about R^2
- bedi
- · Replies 1 ·
Why does e^x grow faster than x^2 for large x?
- phospho
- · Replies 3 ·
Proof of a theorem from Rudin's analysis book
- bedi
- · Replies 6 ·
Mathematical induction - inequality
- threeder
- · Replies 19 ·
Probability question- picking marbles from a bag
- Apollonian
- · Replies 8 ·
Re-Expressing a Quotient of Polynomials
- sponsoredwalk
- · Replies 3 ·
Find remainder when x^100 is divided by x^2 - 3x + 2
- sambarbarian
- · Replies 40 ·
Solving a equation of a circle
- mrpk
- · Replies 1 ·
Verify cos²(x) - 2sin²(x)cos²(x) - sin²(x) + 2sin⁴(x) = cos²(2x)
- jtart2
- · Replies 3 ·
When the expression is a square of a rational number.
- chingel
- · Replies 3 ·
Minimum volume for filling bottles
- blehxpo
- · Replies 4 ·
Writing down an explicit bijection
- threeder
- · Replies 2 ·
Solving Trigonometry Equations
- johnstobbart
- · Replies 11 ·
What is the probability of John being guilty given a positive DNA match?
- fhjop1
- · Replies 3 ·
Prove that two equations are inverses of each other.
- Physics-Pure
- · Replies 4 ·
How can I simplify this expression using basic algebra?
- trixitium
- · Replies 1 ·
What is the domain and range for the composite function g(f(x))?
- phospho
- · Replies 14 ·
Parabola Find a the value of a
- synkk
- · Replies 2 ·
State null and alternative hypothesis for 2-sample t-test
- Deathfish
- · Replies 1 ·
A EASY QUESTION FOR probability probability A easy question for probability
- fhjop1
- · Replies 4 ·
Prove by Contradiction: For all integers x greater than 11
- Animuo
- · Replies 2 ·
Confirming Conjugate Factor of Cubic Equation
- Michael_Light
- · Replies 5 ·
1. Symmetric difference; 2. Commutativity of natural numbers
- threeder
- · Replies 2 ·
Is the function p(x) = sinx invertible?
- synkk
- · Replies 4 ·
Understanding Why ln(x) and e Cancel Out
- Peter G.
- · Replies 6 ·
Discrete Math Proof n^2 > n +1
- Xuanwu
- · Replies 9 ·
Power Set Unions and inclusion
- Kolmin
- · Replies 6 ·
Polynomial Remainder Therem to proove this
- shalikadm
- · Replies 4 ·
Function and subsets - inverses
- threeder
- · Replies 2 ·
Simplification and solving of equation
- chikis
- · Replies 79 ·
Maybe triangle inequalities theorem
- azizlwl
- · Replies 4 ·
Calculating the Height of a Flagpole Using Trigonometry
- odolwa99
- · Replies 8 ·
Measuring the Richter Scale with logarithms
- Gregory.gags
- · Replies 5 ·
Solving logs - Richter Scale and Decibels
- Gregory.gags
- · Replies 17 ·
Solve for 'x' (with 4 variables and 1 equation)
- PhizKid
- · Replies 1 ·
(1 + cot + tan )(sin - cos ) whole upon sin^3 - cosec^3
- sambarbarian
- · Replies 6 ·
Logarithms/intro to logarithms (how did they the get solution?)
- supernova1203
- · Replies 4 ·
For this scalene triangle: which of the following is true?
- s3a
- · Replies 3 ·
System of three equations and four variables
- A_Studen_349q
- · Replies 25 ·
Prove by Contradiction: For all Prime Numbers a, b, and c
- Animuo
- · Replies 1 ·
Discrete Mathematics : Functions and Relations : Question 2
- Supierreious
- · Replies 4 ·
Discrete Mathematics : Functions and Relations : Question 2c
- Supierreious
- · Replies 10 ·
Proving inequalities with negative and positive numbers
- Government$
- · Replies 2 ·
Trying to find an angle in lines layed on top of a circle
- s3a
- · Replies 6 ·
Equation of a Circle with a Center and Tangent Point
- xxmegxx
- · Replies 9 ·
The greatest common divisor of n integers
- Ratpigeon
- · Replies 4 ·
What percentage of square roots are rational for 1 ≤ n ≤ 2000 and 1 ≤ n ≤ 10,000?
- phospho
- · Replies 13 ·
Is f(n) = 4^n + 6n - 1 Divisible by 9 for All Positive Integers n?
- synkk
- · Replies 10 ·
What are rational expressions with quadratic polynomials called?
- Ashir
- · Replies 18 ·
Expressing p in Terms of q, r, and s from Quadratic Equation (1)
- phospho
- · Replies 8 ·
Induction Proof - show 2^n = sum of nCi (i = 0 to n)
- lveenis
- · Replies 4 ·
Trigonometric identities hard question
- DJ-Smiles
- · Replies 3 ·
Discrete Mathematics - Operations with sets
- johnstobbart
- · Replies 2 ·
Proving (10^m)-1 is divisible by 9
- Animuo
- · Replies 8 ·
Discrete Mathematics : Proof : Question 1
- Supierreious
- · Replies 9 ·
How Do You Validate the Second Part of This System of Linear Equations?
- AGNuke
- · Replies 4 ·
Prove there exists a positive integer x such that x^2=2x
- dumb_student
- · Replies 13 ·
Expressing the Area of a Triangle in Surd Form
- odolwa99
- · Replies 3 ·
Finding f^-1(3) for f(x)=3+x²+tan(πx/2)
- VICKZZA
- · Replies 6 ·
What Is the Point C for Maximum Area of Triangle ABC with Ellipse Constraints?
- Government$
- · Replies 2 ·
Intersection of Lines: Solving for Intersection Point using Equations
- Lagrange21
- · Replies 5 ·
How do you solve a 4th degree equation?
- nmbr42
- · Replies 5 ·
Division Algorithm: Proving 24 Does Not Divide a² - 1
- MAGICMATHS
- · Replies 3 ·
Can you prove that 1/r(1-r) is greater than or equal to 4?
- privyet
- · Replies 10 ·
What Are the Probabilities of Getting Specific Hands from a Deck of Cards?
- Pizzerer
- · Replies 6 ·
The sum of two vectors given magnitudes and included angle
- Aaron H.
- · Replies 5 ·
Can a Right Triangle's Hypotenuse be Found from Its Area and Perimeter?
- synkk
- · Replies 2 ·
Do zeros and x intercepts include points where the graph only touches the x-axis?
- priceofcarrot
- · Replies 2 ·
Two algebraic problems I can't solve
- stonecoldgen
- · Replies 4 ·
Find The Height Of The Mountain
- chikis
- · Replies 22 ·
Finding Triangle Angles with Cosine Rule
- odolwa99
- · Replies 5 ·
Understanding U_n: Solving Series Questions with Two Summations
- phospho
- · Replies 6 ·
Solutions of trigonometric equations
- lionel messi.
- · Replies 1 ·
Find nth Term of Arithmetic Progression Sequence
- lionel messi.
- · Replies 9 ·
Squaring both sides of an equation: To include or not to include the minus sign?
- phospho
- · Replies 5 ·
Writing Volume as a Function of Height for an Open Box
- M83
- · Replies 5 ·
Find the hypotenuse of the red triangle
- hgphtgi
- · Replies 12 ·
How to define a function involving strings?
- DevNeil
- · Replies 6 ·
How to Simplify an Algebraic Equation in One Step?
- phospho
- · Replies 2 ·
How many zeroes are at the end of (45^8)(88^5)
- Animuo
- · Replies 3 ·
Determine Reflexive, Transitive, Symmetric of R Relation
- DevNeil
- · Replies 1 ·
What Is the Value of 'a' in the Infinite Geometric Series?
- lionel messi.
- · Replies 3 ·
Prove if a=b(mod n) then a^2=b^2(mod n)
- privyet
- · Replies 7 ·
Finding trig values given a line
- Aaron H.
- · Replies 2 ·
Is the Square Root Function Bijective in all Branches of Mathematics?
- aaaa202
- · Replies 5 ·
Taking negative/positive square roots
- myink
- · Replies 4 ·
What's the hypotenuse of acosx + bsinx = c
- onetwo
- · Replies 8 ·
Domain and range of f(x) = x/lxl
- 1+1=2
- · Replies 28 ·
Distributing gifts among children, any number of gifts per child possible.
- YusifNurizade
- · Replies 8 ·
Why Do We Multiply Combinations in Probability Questions?
- Peter G.
- · Replies 3 ·
Solve sqrt(cot x) = 3^(1/4) in [0, 2π)
- Aaron H.
- · Replies 1 ·
Union of sets A and D with symmetric difference operator
- Supierreious
- · Replies 4 ·
Finding a 2D vector that forms angle alpha with another vector
- germangb
- · Replies 2 ·
Simplifying √(3+√5)/√(3-√5)
- ozone
- · Replies 1 ·
Calculating Square Roots of an Elliptic Curve
- SneakyG
- · Replies 3 ·
How many roots does the equation y^2 = x^3 + x + 6 (mod 5 * 9^2) have?
- SneakyG
- · Replies 3 ·
What does the notation ln^2 mean in logarithm notation?
- Feodalherren
- · Replies 3 ·
How did you fit a line to a curve?
- g.lemaitre
- · Replies 1 ·