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 Do You Multiply Multiple Percentages Correctly?
- chriscarson
- · Replies 28 ·
Finding the Range of the given function
- Kaushik
- · Replies 1 ·
Graphing f(x)=√x but shifted 2 units to the left and then reflected
- naushaan
- · Replies 12 ·
Is this the correct implementation of Fermat's Primality Test?
- user366312
- · Replies 8 ·
Help Needed: Problem from 2001 Lial Text - Can You Provide A Clue?
- Hsopitalist
- · Replies 10 ·
Having problems in multiplying the inequalities
- Adesh
- · Replies 19 ·
Angles of certain complex numbers
- nomadreid
- · Replies 15 ·
Math: Question from KAPLAN (statistics)
- Kaushik
- · Replies 8 ·
Math: Work Scenarios - My Take on it
- Kaushik
- · Replies 8 ·
Maths: Question on Ratios, proportions, and percentages
- Kaushik
- · Replies 8 ·
How Can I Calculate the Height of a Building Using Right Angle Trigonometry?
- ciubba
- · Replies 11 ·
Need help on how they got these numbers -- solution to a trig equation
- AzureSekki
- · Replies 4 ·
Trig Equation — help to solve please: 0=cos^2(t)−t sin^2(t)
- opus
- · Replies 21 ·
Question about linear transformations
- bonildo
- · Replies 3 ·
Range of f(x): Intersection of h(x) and g(x) Ranges
- baldbrain
- · Replies 13 ·
How do you sketch (x^2-5)^2+y^2=16 without a calculator or software?
- GravitySK
- · Replies 7 ·
Factoring: Is (r+y)^3 the same as [(1+y/r)^3∗r^3] ?
- HappyS5
- · Replies 4 ·
Did I solve this equation 4*ln(3x)=15 or is it incomplete?
- Witcher
- · Replies 7 ·
Using the Law of Sines - Getting a Domain Error on my Calculator
- opus
- · Replies 8 ·
Might there be a formula to determine when watch hands coincide?
- ckirmser
- · Replies 18 ·
Finding the Simple Interest for a specific year
- Benjamin_harsh
- · Replies 3 ·
Find distance using map measurements
- dudxex
- · Replies 3 ·
Square Root of 16: Solving for -2 with Step-by-Step Explanation
- brycenrg
- · Replies 16 ·
Square-Root of a binomial squared
- lightlightsup
- · Replies 4 ·
How Do You Prove Two Triangles Are Similar?
- Marso
- · Replies 4 ·
Finding the sum of this trigonometry series
- songoku
- · Replies 10 ·
Probability of X: Geo Distribution with 2/3
- songoku
- · Replies 9 ·
Calculate the roots of -t^2-2t+1
- DottZakapa
- · Replies 14 ·
Finding the the area of the surface at one end of the steel
- chriscarson
- · Replies 7 ·
Doubt about solving a simple quadratic equation
- issacnewton
- · Replies 6 ·
How to Find the Ratio of Areas in a Scalene Triangle?
- songoku
- · Replies 7 ·
How to Graph the Inverse of a Function on a TI-84PlusCE?
- Witcher
- · Replies 3 ·
Graphing θ=π/4 on a Polar Coordinate System
- lightlightsup
- · Replies 9 ·
Stuck doing parametric natural log graphs
- Witcher
- · Replies 8 ·
Points on either side of a line
- mmaismma
- · Replies 3 ·
Maximizing PC Set Options: Venn Diagram Equation in a Computer Shop
- fiksx
- · Replies 2 ·
Percentage of a given quantity
- Witcher
- · Replies 8 ·
Sketching the graph of a function
- Setareh7796
- · Replies 6 ·
Rewriting Brackets: How to Factor Out the s & Distribute Power of 6
- umzung
- · Replies 4 ·
Two geometry problems -- lines and straightedges
- LittleRookie
- · Replies 13 ·
How to find the inverse of a complicated function?
- ColdheartedGod
- · Replies 24 ·
Vector space - polynomials vs. functions
- musicgold
- · Replies 12 ·
How to solve this unsolved time & distance problem?
- Benjamin_harsh
- · Replies 26 ·
Problem regarding simple interest
- Benjamin_harsh
- · Replies 3 ·
Asymptote of x^3 - x^5 / ( x^2 + 1) and similar curves
- Swamp Thing
- · Replies 5 ·
Induction proof verification ##2^{n+2} < (n+1)## for all n ##\geq 6##
- ciencero
- · Replies 3 ·
What Steps Are Missing to Solve (2x+5)^(x+1)=729?
- Math100
- · Replies 11 ·
Manipulating exponents: not sure how this example is worked out
- geologist
- · Replies 8 ·
Are there any whole numbers that satisfy this equation?
- donglepuss
- · Replies 42 ·
Calculate Reimbursement for Multiple Plans: A Healthcare Guide
- DianaCorine
- · Replies 2 ·
Solving Variable Change: Difficulties Understanding ##V(x)## & ##y##
- Moolisa
- · Replies 2 ·
Upper bound height and lower bound height of a 3-ary ordered tree
- fiksx
- · Replies 13 ·
How Far is the Boat From its Original Position?
- Benjamin_harsh
- · Replies 9 ·
How Do Partial Fractions Relate to Trigonometric Substitution?
- askor
- · Replies 17 ·
Finding the angle between vectors a and m, knowing the magnitude of m and n
- piesand
- · Replies 2 ·
Distributing numbers over n buckets
- Akash47
- · Replies 12 ·
What Methods Identify Nonnegative Ranges in Cubic Equations?
- danielp3
- · Replies 3 ·
What are the rules for argument division in complex numbers?
- bonbon22
- · Replies 4 ·
Find Side AB: Calculate Using m & n Ratios
- quee
- · Replies 7 ·
How Long Before Runners A and B Meet at the Starting Point on a Circular Track?
- Benjamin_harsh
- · Replies 7 ·
Calculating Relative Speed & Time to Meet: I Can't Find the Distance
- Benjamin_harsh
- · Replies 2 ·
What is the ratio after 1 month given certain conditions?
- caters
- · Replies 3 ·
Finding roots of an exponential equation
- Akash47
- · Replies 2 ·
Distance Traveled by A: y = Vb.∆t2
- Zelderes
- · Replies 18 ·
Calculating something correct up to ##x## decimal places
- Wrichik Basu
- · Replies 7 ·
Is there a simple injection from B to A using tangent function?
- Tjaz Gantar
- · Replies 23 ·
Evaluating a Sum: Understanding the Solution
- martina1075
- · Replies 16 ·
Calculating Probability of Choosing Vowels: Common Mistakes and Solutions
- songoku
- · Replies 6 ·
Simplify this fraction containing imaginary numbers
- serendipityfox
- · Replies 18 ·
Understanding the Singular Form of ABA: Proving its Validity
- wrxue
- · Replies 13 ·
Evaluate Sum - Couldn't Arrive at Answer
- martina1075
- · Replies 4 ·
Calculating Difference Quotients for Scientists
- martina1075
- · Replies 3 ·
(Changing) Limits of a Summation
- martina1075
- · Replies 7 ·
Circle inscribed in a triangle exercise
- Richard Quispe
- · Replies 13 ·
Pythagoras 3D: Solve Problems with Ease
- Natasha1
- · Replies 16 ·
Why do we try to find if a subset is a subspace of a vector space?
- musicgold
- · Replies 4 ·
Drawing Graphs: Concentric Circles & Straight Lines
- Raees
- · Replies 3 ·
Finding truth value of each propositional variable.
- sunny79
- · Replies 4 ·
Arrange 4 Guests on One Side: 9C4*4!*9C3*3!*11!
- Crystal037
- · Replies 24 ·
Proving the Minimum Value of Combinations: Odd vs. Even n
- Crystal037
- · Replies 27 ·
A tricky question with complex numbers
- Physics lover
- · Replies 29 ·
Optimization problem (Max area of a combined semi circle and a square)
- Mathman2013
- · Replies 11 ·
Sum of a series that tends to infinity
- Physics lover
- · Replies 16 ·
How Do You Solve Complex Number Equations in Quadratics and Exponentials?
- jisbon
- · Replies 39 ·
Calculate the phase angle between two sinusoids
- DryRun
- · Replies 2 ·
Stats: Normal distribution, std dev, mean z score -- find x
- GiTS
- · Replies 2 ·
How to solve summation equations with different indices
- musicgold
- · Replies 9 ·
Field axioms - is there an axiom for multiplication with zero?
- musicgold
- · Replies 6 ·
How should I simplify this product expression?
- musicgold
- · Replies 12 ·
Where Do Chords of Circles Through A(3,7) and B(6,5) Intersect?
- Saitama
- · Replies 13 ·
Question on Probability - been way too long since college
- ckirmser
- · Replies 12 ·
Why are these two angles equal (x=z)?,
- Kamalesh
- · Replies 3 ·
Cube root long division method
- xzibition8612
- · Replies 2 ·
How to prove that line segment BF=tan x.tan y?
- Kamalesh
- · Replies 4 ·
How do i answer this permutation question?
- Biochemgirl2002
- · Replies 1 ·
Solve polynomial using complex number
- songoku
- · Replies 2 ·
What Is the Probability of Drawing a Specific Marble Color Sequence?
- Tajeshwar
- · Replies 8 ·
How to Find the Slope of Points A and B and Compare to Point C?
- Rabinow23
- · Replies 1 ·
Finding the value of a fraction
- songoku
- · Replies 8 ·
How many ways can 5 prizes be distributed among 4 boys and 3 dividers?
- Crystal037
- · Replies 22 ·