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
What's the Trick to Proving tan3A=3tanA-tan^3 A/ 1-3tan^2 A?
- rhule009
- · Replies 3 ·
Prove the triple angle formula for tangent
- rhule009
- · Replies 2 ·
Can Two Discontinuous Functions Sum to a Continuous Function?
- phrances
- · Replies 3 ·
What is the formula for finding the slope of a line?
- Dgolverk
- · Replies 3 ·
Why does tan(45+A)tan(45-A)=1?
- rhule009
- · Replies 1 ·
How Does the Function f(1/x) Simplify to the Book's Answer?
- CarlosRamos
- · Replies 1 ·
Find Closest Approach Time in Equation of Path
- Reshma
- · Replies 4 ·
Find quadratic equation with roots -2 and 8 passing through point (-1, 16)
- HELP_ME123
- · Replies 4 ·
Solving 2r² + 2r + 1 = 0
- Punchlinegirl
- · Replies 3 ·
Finding the inverse of y=x^(1/3) and y=3(2)^x
- thomasrules
- · Replies 5 ·
Solving Exponential Growth Equation without Logarithms
- thomasrules
- · Replies 7 ·
How Do You Simplify and Classify the Polynomial 4x^2(–2x^2 + 5x^3)?
- jellerboo
- · Replies 6 ·
Polynomial Functions w/ zeros.
- AznBoi
- · Replies 1 ·
Find Challenging Enigma Questions and Sites - Ask Erloooo!
- bkvitha
- · Replies 6 ·
Solve 6th Grade Enigma with Integers 8, 4, 2, 1 in Order
- Steve10
- · Replies 6 ·
Solving 20sin(π/15·t) + 25 = -10cos(2π/15·t) + 12
- gjb19
- · Replies 1 ·
Overcoming Roadblocks in Trigonometric Identity Proofs
- Checkfate
- · Replies 3 ·
Formulas for interest Interest
- cracker
- · Replies 3 ·
What is the Solution for x When \( (4+3x)(6+3x) = 24 \)?
- feod2003
- · Replies 5 ·
Where does the 8k come from when expanding (k + 4)²?
- Erectable
- · Replies 2 ·
Y as a Function of X: Deciding the Equation
- AznBoi
- · Replies 3 ·
Finding equations w/ two given points:
- AznBoi
- · Replies 4 ·
Estimating Bacterial Growth and Doubling Period: 4080 Bacteria in 5 Minutes
- thomasrules
- · Replies 4 ·
Simplifying a rational expression division problem
- physicsgal
- · Replies 6 ·
What is the Quadratic Equation for Calculating a Football's Trajectory?
- physicsgal
- · Replies 14 ·
How much 90% antifreeze solution to add to 6 litres of water for 10% solution?
- DethRose
- · Replies 4 ·
Calculate Doubling Period of Bacteria Population
- thomasrules
- · Replies 12 ·
Mistake on other thread, Here is the problem:
- AznBoi
- · Replies 2 ·
Writing down the step function
- Odyssey
- · Replies 2 ·
F(g(x)) problem, about the domain.
- AznBoi
- · Replies 1 ·
Solving 3(2)^x = 4^(x+1) for x
- thomasrules
- · Replies 17 ·
Complex numbers
- Hootenanny
- · Replies 3 ·
Encountered a WEIRD vertex-form equation
- AznBoi
- · Replies 4 ·
Solving 2^x = x^2 + 7 without differentiation
- Harmony
- · Replies 2 ·
How Can You Solve the Equation e^x = 5-2x?
- busted
- · Replies 3 ·
Finding the solution set for x/(2-x)<4
- skook
- · Replies 3 ·
Quadratic Equations and Completing the Square
- Black_Mamba
- · Replies 4 ·
Proving (log_a b)(log_b a) = 1
- thomasrules
- · Replies 13 ·
Finding log_a(5) and log_a(20) given log_a(2)=x and log_a(5)=y
- busted
- · Replies 7 ·
Finding population from past years with 2.7% annual growth rate
- busted
- · Replies 5 ·
Why do inverse functions of square roots need domain restrictions?
- AznBoi
- · Replies 8 ·
Prove AC^2 = 4 * sqrt(3) / 3 for Equilateral Triangle ABC
- math_phys_bio
- · Replies 4 ·
How do I rationalize the numerator in this expression?
- msimard8
- · Replies 4 ·
Probability chance of rolling a nine question
- amberglo
- · Replies 6 ·
Having trouble getting this trigonometry problem started
- Checkfate
- · Replies 5 ·
Solve Logarithm Problem: log2 2x -log3 (3x-1) = 2, Find X
- helmi
- · Replies 3 ·
Brushing up on functions and calculus
- DaveC426913
- · Replies 17 ·
Understanding Rational Exponents with Negative Bases
- bloodasp
- · Replies 5 ·
Solve Trig Question: 14sin^2y-13=0 for y where 0<y<360
- Checkfate
- · Replies 1 ·
How to Correct Angle Measurement Errors in Geometry Problems
- Ebene
- · Replies 4 ·
How do I solve 2A=h(b₁+b₂) for b₁?
- GLprincess02
- · Replies 6 ·
Can a Matrix with Identical Columns be Invertible?
- Chadlee88
- · Replies 6 ·
Finding the Set of Permutatable Matrices with Algebra
- esmeco
- · Replies 2 ·
Calculating Wheat Field Yield Variance: A Quick Statistics Problem
- taffyleg
- · Replies 1 ·
How to sketch f(x) from a graph of f'(x) given one point
- Lprchn
- · Replies 3 ·
How to solve Asin(x) + Bcos(x) + Ctan(x) = 0
- sarcaine
- · Replies 15 ·
Finding speeds when Bickford travels twice as fast as Shawn
- bushman91
- · Replies 4 ·
What is the optimal ticket price for a movie theater to maximize revenue?
- physicsgal
- · Replies 12 ·
Relationship between sine and tangent
- x.xmedzx.x
- · Replies 12 ·
How can a logical approach help prove Boolean algebra properties?
- seang
- · Replies 1 ·
How do I solve for n in θ = 360/n?
- GLprincess02
- · Replies 9 ·
Solve Quadratic Function with Factor Theorem
- Rowah
- · Replies 4 ·
Solve Word Problem: 2006 Taxes Based on 33% Bracket
- kuahji
- · Replies 3 ·
Factoring with the quadratic formula
- Checkfate
- · Replies 2 ·
Proving a Limit Using Delta-Epsilon Definition
- bluevires
- · Replies 5 ·
Optimal Packing of Inscribed Circles on a Circle
- fisico
- · Replies 3 ·
Why does tan θ = 1 give only π/4 in the solution steps?
- Checkfate
- · Replies 4 ·
Factor Theorem: Solving a^5-32
- Rowah
- · Replies 3 ·
How Do You Prove That a Divides a Linear Combination in Induction?
- salubadsha
- · Replies 5 ·
Proving function continuity at a point using epsilon-delta
- bluevires
- · Replies 1 ·
Exact value of sec(5π/6)
- seanistic
- · Replies 3 ·
A log question (probably easy)
- meee
- · Replies 3 ·
Real Roots of x^5 + x + c Equation: [-1,1]
- lkh1986
- · Replies 2 ·
Divide x^3-4x+1 by x-5: Is it Right?
- Sashman15
- · Replies 5 ·
How do you read this decimal number?
- wScott
- · Replies 1 ·
Trig Solve for Solution Within Interval
- catenn
- · Replies 6 ·
Trigonometric Identity for 1/2csc(THETA)sec(THETA)
- catenn
- · Replies 2 ·
Solving 0.5cos(x)-0.875sin(x)cos(x)+Asin²(x)=A
- unicycle6869
- · Replies 4 ·
Solving x/2 + x/3 + 10 = x
- GLprincess02
- · Replies 3 ·
Right angle triangles area of overlap calculation.
- SonyAD
- · Replies 1 ·
How Is the Revenue Function R(x) = 500x(30-x) Derived for the Cable Firm?
- Bitter
- · Replies 4 ·
Solve Coordinate Geometry Problem: Find Line Equation
- Reshma
- · Replies 1 ·
Struggling with Polynomial Functions: Can Complex Zeros Confuse You?
- Sashman15
- · Replies 2 ·
What Should I Study to Understand Probabilities in Poker?
- pavadrin
- · Replies 3 ·
Using linear Systems to Solve Problems
- msimard8
- · Replies 5 ·
Solve V for h: Rewrite Formula V=1/3πr^2h
- GLprincess02
- · Replies 4 ·
Easy Calculation: How to Solve sqrt(x)*sqrt(4-x^2)=sqrt*(4x-x ^3)
- nothing123
- · Replies 1 ·
How do I find the real part of a complex number with a square root inside?
- sjmacewan
- · Replies 6 ·
What are the steps to solve an equation with logarithms on both sides?
- kalistella
- · Replies 1 ·
How do I plot the graph of f(x) = 4/(x+3)?
- jcheema
- · Replies 2 ·
Determine the probability the trains meet at the station
- hamumej
- · Replies 4 ·
3D vector collsions- do u terat them differently?
- ku1005
- · Replies 3 ·
How Do You Solve a Recursive Sequence Problem with Given Initial Conditions?
- kalistella
- · Replies 4 ·
Linear Transformation/Injective/Surjective
- embury
- · Replies 4 ·
Proove Vector Line Eqn is tangent to a sphere?
- ku1005
- · Replies 4 ·
How to Create an Equation for Handling Charges Based on Computer Cost
- stufine
- · Replies 3 ·
SUM1 tell me wat i am doing WRONG
- ku1005
- · Replies 4 ·
Is there an easier way to factor these polynomials?
- Byrgg
- · Replies 10 ·
Cylinder problem:restriction on the height if the radious
- Aoiro
- · Replies 4 ·
Problem involving polynomial equations
- Byrgg
- · Replies 1 ·