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
If (a-c) divides (ab+cd), does (a-c) divide (ad+cb)?
- henry407
- · Replies 2 ·
Why is delta used in the equation for the discriminate?
- vanmaiden
- · Replies 6 ·
Probability of rain in at least one of two specific hours
- ArcanaNoir
- · Replies 10 ·
Prove that it is divisible by 8.
- Michael_Light
- · Replies 2 ·
Quadratic equation, A.P. and G.P. related problem problem
- Sumedh
- · Replies 2 ·
Finding a perpendicular line through (18, 0)
- rkell48
- · Replies 6 ·
Problem of quadratic equation with two variables
- Sumedh
- · Replies 6 ·
Quadratic and cubic equation -show that -(common roots)
- Sumedh
- · Replies 5 ·
How do you find g(f(x)) when g(x) = 3/(x+1) and f(x) = 3x+2?
- Deagonx
- · Replies 12 ·
Prove the infinite product formula for 1+3^(-2^n)
- mishrashubham
- · Replies 12 ·
Proving Sin and Cos Values of pi/6: Analytical Solutions
- leitz
- · Replies 4 ·
Help with sigma notation where the top value is x?
- rkell48
- · Replies 3 ·
Sigma Notation: Definition and Examples
- bitttttor
- · Replies 3 ·
Inequality proof (Spivak 1.6-b)
- carlosbgois
- · Replies 2 ·
Not sure how the answers were achieved in this graph
- hyde2042
- · Replies 2 ·
Find the sum of a geometric progression
- mindauggas
- · Replies 10 ·
Distance from point to a line proof
- train449
- · Replies 7 ·
Converting Functions from x to y
- ozone
- · Replies 3 ·
What the heck is this paragraph saying?
- Miike012
- · Replies 8 ·
Calculating Loan Reduction Strategies Using Inflation and Salary Growth
- tHeUnk0wn
- · Replies 6 ·
A problem on quadratic equations .
- sankalpmittal
- · Replies 33 ·
Maximum value of sin(x) + sin(2x) without a calculator
- Constantinos
- · Replies 2 ·
How can I find two points where a function has the same tangent line?
- naaa00
- · Replies 20 ·
Making the equation of a parabola
- stonecoldgen
- · Replies 8 ·
Solve Set Theory Problem: 30 People, 7 Black Hair, 24 Right Handed
- Ascleipus
- · Replies 3 ·
Series expansion of logarithmic function
- seboastien
- · Replies 5 ·
Power series when variable is very large
- seboastien
- · Replies 1 ·
Power series in real world situation
- seboastien
- · Replies 1 ·
Proof of inverse trigonometric identities
- seboastien
- · Replies 3 ·
Finding eigenvalues from cubic equation b³ - 75b² + 1850b - 15576 = 0
- elphin
- · Replies 9 ·
Multinomail Theorem on Wikipedia
- Saitama
- · Replies 18 ·
How to Multiply Matrices I and Calculate the Inverse of Matrix B?
- Peter G.
- · Replies 4 ·
Defining parallelogram, rhombus, pentagon, and other polygons with if-and-only-if
- Dembadon
- · Replies 3 ·
What algebra basics should I cover in my first tutoring session?
- Miike012
- · Replies 10 ·
Determining which trigonometric function is not periodic
- Saitama
- · Replies 78 ·
How to Find Maximum and Minimum Values of Sin^4theta + Cos^4theta
- hibernator
- · Replies 2 ·
Finding an equation of a parabola given three points.
- starchild75
- · Replies 16 ·
Solving Arithmetic Progressions
- nae99
- · Replies 26 ·
Prove that tan x + 1 = sec x
- minajo
- · Replies 7 ·
Help How can I find acute Angle theta?
- krautkramer
- · Replies 16 ·
How to find the root of a quadratic formula
- druuuuuuuunnk
- · Replies 14 ·
Difference Formula Involving Inverse Trgi Functions
- x1nsanity
- · Replies 7 ·
Solving for x in logarithm problem
- Sumedh
- · Replies 6 ·
Algebra II - Why Does sqrt(x+1/x+2)=(x+1)/sqrt(x)?
- GreenPrint
- · Replies 2 ·
This always pisses me off. what is -X^n?
- Curd
- · Replies 2 ·
Finding rectangle sides given perimeter 7.4 m and area 3 m²
- Government$
- · Replies 10 ·
There are 10 terms in the geometric progression.
- nae99
- · Replies 3 ·
How to find sqrt(-8.3)sqrt(1 - 8i)
- naspek
- · Replies 3 ·
Confirm that (x-2) is a Factor of x^3 - 2x^2 + x - 2
- nae99
- · Replies 7 ·
How does the book get from the red term to the blue term?
- Miike012
- · Replies 15 ·
Solving for a in arccos equation
- calky117
- · Replies 3 ·
Triangle 90<x<135 such that B is tangent
- undesirable10
- · Replies 8 ·
How do we factor a quadratic equation?
- Miike012
- · Replies 1 ·
Is the term factorable in this Algebra problem?
- Miike012
- · Replies 5 ·
Solving Chapter 3 Problems in "How to Prove It
- mrwall-e
- · Replies 6 ·
Hi,I have:AX + X = B, all of them being matrices. I have the
- Peter G.
- · Replies 3 ·
Is There a Method to Find the Square Root of Confusing Algebraic Expressions?
- Miike012
- · Replies 5 ·
If a day equals 1000 years, How much time is 1 hour
- torisboy
- · Replies 14 ·
What Annual Return Must Bob Earn to Offset His First Year's Stock Market Loss?
- nando94
- · Replies 3 ·
How do I Find Vector b for comp_ab = 2?
- 0range
- · Replies 2 ·
Finding tan(½ arcsin(-7/25)) using half-angle formula
- jrjack
- · Replies 11 ·
What is the solution for x in the equation (2^4x)(4^3x)=8x^(+42)?
- ArcanaNoir
- · Replies 5 ·
Why does (3x-5)/(x^2+5x+8) = (3(2x+5))/(2(x^2+5x+8))-25/(2(x^2+5x+8))?
- GreenPrint
- · Replies 16 ·
Simplify log₁₀(3/√(1+x)) using logarithm rules
- 0range
- · Replies 4 ·
Solving 2^(5x)=3^x(5^(x+3)) for x
- 0range
- · Replies 4 ·
Implied Dom/Ran = tan(2arcsin(x))
- W0rr13d-0n3
- · Replies 7 ·
Why does cotangent inverse of 0 equal pi/2?
- GreenPrint
- · Replies 10 ·
Proof of equality involving factorials
- mindauggas
- · Replies 24 ·
Basic solving for variable question.
- davie08
- · Replies 10 ·
What are the equations for finding common tangents between two curves?
- labinojha
- · Replies 1 ·
Contradiction of Galios theory
- footmath
- · Replies 6 ·
Incorrect proof for lim sin(1/x) at x=0
- Harrisonized
- · Replies 4 ·
Why is slope represented as delta y over delta x?
- vanmaiden
- · Replies 5 ·
Finding intersection points of f(x)=x²+35 and g(x)=12x
- davie08
- · Replies 6 ·
Question on # of possible rearrangements given conditions
- thelannonmonk
- · Replies 2 ·
Sigh, I don't understand why I am not getting a good solution
- flyingpig
- · Replies 14 ·
Where to go from learning precalc and a bit of calculus?
- mrwall-e
- · Replies 2 ·
A Cosine Law question involving angle of depression
- Gracegao
- · Replies 2 ·
Least Squares solution and residuals
- Mr_Orsum
- · Replies 4 ·
Confusing Math Problem: Solving for the Length of a Ski Slope in 30 Minutes
- nando94
- · Replies 3 ·
Square root of a rational quantity: Algebra
- Miike012
- · Replies 1 ·
Solving an equation with an absolute value within an absolute value
- 5hassay
- · Replies 13 ·
Algebra - FOIL Bi/Tri nomials to the nth power
- Miike012
- · Replies 7 ·
Transformations of root functions with reflections and shifts
- Nelo
- · Replies 6 ·
If (f o g)= 16x + 7 and g(x)= 2x - 1 , find f(x)
- Andolph23
- · Replies 4 ·
Addition of exponentials, and relationship between variables.
- Animastryfe
- · Replies 3 ·
Addition and Multiplication of functions with radicals in the denominator
- Kohe
- · Replies 7 ·
Solving 2sin(θ) + sin(θ)cos(θ) = 0 for 0 < θ < 2π
- Nelo
- · Replies 17 ·
Ive added an attachment and highlited the area that I have a question
- Miike012
- · Replies 2 ·
Solving Trig Equations: Understanding Degrees and Terminal Arm Usage
- Nelo
- · Replies 6 ·
How can I simplify and solve this expression with negative exponents?
- Nelo
- · Replies 14 ·
How many onto functions exist from an n-element set to an m-element set?
- Vishalrox
- · Replies 1 ·
Solving Trig Identities: tan^2x - sin^2x = sin^2x*tan^2x Explanation
- Nelo
- · Replies 2 ·
Solving a Sin Equation: Find Value of cos6x-4cos4x+8cos2x
- Saitama
- · Replies 4 ·
Solving y = 3/(2(x-3)) for the inverse function
- Nelo
- · Replies 7 ·
Square root of negative number in 2q - 5r
- access
- · Replies 3 ·
What is the formula for finding tn in a sequence or series?
- Nelo
- · Replies 7 ·
Exponent Laws Practice: Simplifying Fractional Exponents
- Nelo
- · Replies 3 ·
Half angle formula , what is happening in these formulas
- Jurrasic
- · Replies 4 ·
A difficult and tricky problem
- agnibho
- · Replies 2 ·