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 Tricky Fraction?
- math2010
- · Replies 6 ·
Why Does Adding 's' Change to Subtracting 'c' in This Algebraic Expression?
- roadworx
- · Replies 2 ·
How can I factor a cubic equation by hand to find the x-intercepts?
- DecayProduct
- · Replies 3 ·
(n+1) <100000 how do i find n?
- hangainlover
- · Replies 8 ·
Domain of Square Root Function: Solving Inequalities for x ≤ -2
- Shaybay92
- · Replies 3 ·
T = sqrt(m/k)^(1/2pi), solve for k
- TyErd
- · Replies 8 ·
Finding the exact value of sin 45°
- steve snash
- · Replies 10 ·
How do you find the range of a rational function like y=1/(x+1)?
- FlO-rida
- · Replies 31 ·
Did I Make a Mistake in my Matrix Multiplication?
- r-soy
- · Replies 3 ·
Converting degrees to radians (in relation to pie)
- steve snash
- · Replies 5 ·
Determining the inverse function for a given function
- steve snash
- · Replies 4 ·
Sum of 2×3×4 + 3×4×5 + 4×5×6 + ... using telescoping
- asd1249jf
- · Replies 3 ·
Cross product for parallel vectors
- adoado
- · Replies 2 ·
Independent events in probabilities
- stevecallaway
- · Replies 1 ·
Why multiply both sides by (3-x)(x+2) in 2x+9/((3-x)(x+2)) < 0
- MrNeWBiE
- · Replies 3 ·
Inequalities in Interval Notation and Distance Comparison
- MrNeWBiE
- · Replies 6 ·
How Do You Use Matrix Inversion to Determine Nutrient Ratios in Food?
- uselessjack
- · Replies 4 ·
Determine the rational function that gives the annual cost of a security system
- BuffaloSoulja
- · Replies 2 ·
Converting V = 5.47√h from mph to ft/s
- Ryuk1990
- · Replies 10 ·
Fish population models: where is g(t) > f(t)?
- BuffaloSoulja
- · Replies 1 ·
Emergency A Half Angle Question.
- getcarter
- · Replies 1 ·
DE Question Moved: How to Extract Information Effectively
- annoymage
- · Replies 2 ·
Compound inequality 2x+1 ≤ 5-x < x-7
- MrNeWBiE
- · Replies 12 ·
Distributing unlimited balls of 4 varieties
- dharavsolanki
- · Replies 19 ·
Is the Inverse of a One-to-One Odd Function Also Odd?
- n-000
- · Replies 6 ·
What are the variables at the center of a Gaussian distribution problem?
- recoil33
- · Replies 3 ·
Solving z^3 = i using De Moivre's Theorem
- Mathysics
- · Replies 1 ·
Validating the Probability Function f(x) for Zero-Inflated Poisson Distribution
- mekhi
- · Replies 1 ·
How to simplify: ((sqrt3)/3)+1 /(1-(sqrt3)/3)
- TyErd
- · Replies 3 ·
Why does k³/3 + k² < (k+1)³/3 prove the induction step?
- Jimmy84
- · Replies 2 ·
Finding the Second Root of a Complex Number Equation
- Maatttt0
- · Replies 5 ·
Computing the range for a rational function involving absolute value
- Checkfate
- · Replies 8 ·
Finding the Centre and Intersection of Circle X2 + y2 + 4x – 16y + 18 = 0
- Rubydeemer
- · Replies 3 ·
Proving \sqrt{3} is Irrational
- Mentallic
- · Replies 4 ·
How does algebraic factoring work?
- Deicider
- · Replies 7 ·
Using Argument and DeMoivre's theory
- cutecarebear
- · Replies 4 ·
How Many Units Must Plant A Produce to Stay Within Budget?
- MrNeWBiE
- · Replies 2 ·
Solving Best Rentals Car Rental Rates: Equation from Riddle
- MrNeWBiE
- · Replies 1 ·
I'v quistion on Quadratic Functions
- megatronic
- · Replies 7 ·
VERY SIMPLE Coordinate Geometry
- BL4CKCR4Y0NS
- · Replies 30 ·
Root of equation with 2 exponentials
- ephedyn
- · Replies 4 ·
Probability of a deck of cards
- jinbaw
- · Replies 11 ·
Finding the angle without a calculator (CA)
- PhysicsMark
- · Replies 2 ·
Solving Mental Math Questions for Mathematical Methods in Physics
- PhysicsMark
- · Replies 5 ·
Finding the x-Intercept of a Perpendicular Line Passing Through a Given Point
- MrNeWBiE
- · Replies 4 ·
Probability of deck of cards question
- nikk834
- · Replies 4 ·
Finding a,b from roots of equition
- MrNeWBiE
- · Replies 2 ·
Interperating a graph with logarithmic scales
- ehilge
- · Replies 3 ·
Adding a scalar to a matrix: does 5 equal 5I?
- thereddevils
- · Replies 10 ·
Question related to Absolute Value
- confusedabout
- · Replies 6 ·
Solving for k and m in a Quartic Equation
- olee
- · Replies 2 ·
Finding Sides of an Oblique Triangle with Altitudes
- darkmagic
- · Replies 2 ·
Finding the inverse of a quadratic function?
- SoConfused__
- · Replies 3 ·
Precalculus: proving trigonometric identity
- jessicagu93
- · Replies 2 ·
Factoring Cubic Polynomials/Function
- CursedAntagonis
- · Replies 5 ·
Representation of properties of Complex Numbers in Argand Diagrams
- imaduddin
- · Replies 1 ·
Finding points on a line in 3d
- Mosier
- · Replies 2 ·
Solving e^x + e^(-x) = 4
- Chiborino
- · Replies 4 ·
Probability of drawing four red cards from a shuffled deck
- nikk834
- · Replies 1 ·
Finding a basis for a space spanned by five 4D vectors
- Hashmeer
- · Replies 1 ·
Algebra 1b - System of equations
- lederhosen
- · Replies 2 ·
What are the values of s that make two given vectors orthogonal?
- vorcil
- · Replies 2 ·
Does x Have to be Greater Than 0 If y is Chosen from (0,1)?
- azay
- · Replies 1 ·
Rational Function Application Question
- Cuisine123
- · Replies 2 ·
Square roots of positive numbers
- bluskies
- · Replies 4 ·
Solving for x: PreCalc Question
- GreenPrint
- · Replies 1 ·
Solving for x with A, b, and c Given
- Toby_Obie
- · Replies 7 ·
What are the possible solutions for the inequality |2x-1|+|x+2|\geq 4x?
- thereddevils
- · Replies 3 ·
Simplifying Summation with Logarithms
- thereddevils
- · Replies 3 ·
Single Trigonometric Functions ( trig identities)
- imxaxpunk
- · Replies 2 ·
Linear Algebra Proof: Invertible Idempotent Matrix Must be Identity Matrix
- Dosmascerveza
- · Replies 4 ·
How do I simplify (v/pi)(2pi/v)2/3 to 2(v/2pi)1/3?
- JOhnJDC
- · Replies 5 ·
Question on proving an identity
- Lazz72
- · Replies 2 ·
Question on functions and trigonometry.
- mgnymph
- · Replies 2 ·
Center of mass in a hemispherical tank with varying density
- vintwc
- · Replies 2 ·
Trig identities: does this equal zero?
- Never.ever
- · Replies 5 ·
Book moving and friction problem
- FizixFreak
- · Replies 5 ·
Three Equations, Three Unknowns.
- ƒ(x) → ∞
- · Replies 1 ·
Finding angle DQC where CP is a circle radius in square ABCD
- fawk3s
- · Replies 1 ·
Solving for Kelly and Her Brother's Ages Using a Riddle Equation
- MrNeWBiE
- · Replies 2 ·
K.A.Stroud Maths revision question
- deian
- · Replies 2 ·
Standard deviation and average value
- pinsky
- · Replies 2 ·
Algebraic steps to simplify an equation
- JOhnJDC
- · Replies 2 ·
How do you derive e^ikx = cos(kx) + i·sin(kx) from Euler's formula?
- SpartanG345
- · Replies 1 ·
Particle Mass and Forces: Resultant Force and Acceleration Calculation
- ZedCar
- · Replies 2 ·
Finding the value of a weighted sum given a constraint
- Someone1348
- · Replies 1 ·
Time = distance/speed conversion problem
- Mathnomalous
- · Replies 4 ·
Calculating the Exact Value of tan(15)
- big billy
- · Replies 2 ·
Irregular Cone Geometry Problem: Finding the Area of an Elliptical Base
- Appity
- · Replies 1 ·
Finding area under curves with negative regions
- Sirsh
- · Replies 7 ·
Solving for Theta: A Physics-Math Dilemma
- Ryuk1990
- · Replies 5 ·
GRE Sample Question, explanation? Thanks
- Brown399
- · Replies 1 ·
Milk shelf life at different temperatures
- larryq37
- · Replies 3 ·
Why are the factors negative in x² - 9x + 20 = 0?
- Gringo123
- · Replies 7 ·
Number of Possible 3-Card Hands with and without Order Consideration
- r-soy
- · Replies 10 ·
Do we need to convert the system of calculator to red in like this queation
- r-soy
- · Replies 4 ·
Checking Your Answer: Is it Correct or Not?
- r-soy
- · Replies 4 ·
Correcting My Answer: Ensuring Accuracy and Improving Learning
- r-soy
- · Replies 6 ·
I want check A , B in two questions .
- r-soy
- · Replies 3 ·