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
Trouble with Tangent of a Line
- thomasrules
- · Replies 12 ·
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 ·