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
Proving Uniqueness of Solutions in Non-Linear Systems of Equations
- FeDeX_LaTeX
- · Replies 2 ·
How to Choose a Stratified Sample Using a Random Number Table
- claytonh4
- · Replies 4 ·
Why is x^2 = -1 not a possible solution for x in the equation x^2 + 1 = 0?
- help1please
- · Replies 15 ·
Subtracting 2 Fractions with Variables to Exponents: Explained
- Tubefox
- · Replies 2 ·
Trigonometry, area of triangle
- Feodalherren
- · Replies 10 ·
Simplifying finite geometric series expression
- Beer-monster
- · Replies 3 ·
Proof on Family of sets - Looking for Help OR Feedback
- Kolmin
- · Replies 4 ·
Simplify Expression: f(x) 1/x^2 -4, x+1 - x^2/x+2
- slywolf1992
- · Replies 6 ·
Finding x(t) from x(-2t+1) for Scientists
- baby_1
- · Replies 4 ·
Can this fraction be simplified further?
- trollcast
- · Replies 3 ·
Are Events X, Y, and Z Mutually Exclusive in David's Fishing Scenario?
- thornluke
- · Replies 3 ·
Probability Two tetrahedral dice are thrown
- thornluke
- · Replies 4 ·
Problem algebra involving third roots
- ParisSpart
- · Replies 3 ·
Solve Equation Problem w/o Vieta: Find a^3+b^3+c^3
- DoremiCSD
- · Replies 9 ·
Trig Question, Find x-intercepts
- dolpho
- · Replies 6 ·
Powers of p and q from a=v^p*t^q
- valerieangel
- · Replies 2 ·
How do I solve for matrix A in the equation y=mx+c?
- uperkurk
- · Replies 52 ·
Solving Linear System of Equations: Elimination
- ilovecake
- · Replies 2 ·
Not sure if I'm drawing the reciprocal function properly
- priceofcarrot
- · Replies 17 ·
Summations Problem: Sum of Multiples of 5 from 5-1550
- elainehula
- · Replies 3 ·
Probability Problem - Is it a Bayes application?
- Kolmin
- · Replies 7 ·
Which Latitude has the Smallest Radius?
- darshanpatel
- · Replies 4 ·
In Dire need of assistance for optimisation (Area/volume)
- DJ-Smiles
- · Replies 7 ·
Finding the last corner of a square
- H4NS
- · Replies 14 ·
Pole in a corner - Trig word problem
- MacLaddy
- · Replies 13 ·
Why Does arccos(x) - arcsin(1-x) Equal 90° Have No Solutions?
- acen_gr
- · Replies 42 ·
How Do You Solve Complex Fraction and Radical Equations?
- wrx
- · Replies 4 ·
Finding x in an inverse trigonometric equation
- acen_gr
- · Replies 12 ·
Trigonometry Word Problem involving Inverse trigonometric functions
- acen_gr
- · Replies 5 ·
Solution of Trigonometric Equations
- acen_gr
- · Replies 20 ·
Simple factoring question here: Thanks
- nukeman
- · Replies 13 ·
Solving Scalar Product: Figure Drawing for (AC - AB) * AB = 0
- H4NS
- · Replies 6 ·
Question using the Sine Rule and Bearings
- scotty_le_b
- · Replies 1 ·
Cartesian Product and Inclusion - Looking for a Proof
- Kolmin
- · Replies 8 ·
Horizontal Asymptote by Long Division?
- Painguy
- · Replies 4 ·
Math story problem with fractions that I am stuck on.
- kkaterr
- · Replies 12 ·
Understanding the log() function
- jhudson1
- · Replies 7 ·
Finding the Range of a Function with Absolute Values and Inverse Operations
- Painguy
- · Replies 8 ·
Finding the limit of a sequence.
- ashwinnarayan
- · Replies 1 ·
Proving Trigonometric Identities problem
- acen_gr
- · Replies 13 ·
Limits of Otherwise Equal Summations Unequal Due to Indeterminate Difference
- nobahar
- · Replies 5 ·
Graphing functions and identifying features
- zebra1707
- · Replies 4 ·
Evaluating logarithms given log(a)b = 3
- zebra1707
- · Replies 2 ·
Finite Limit Problem: Understanding cosx/x^0 = 1
- lukatwo
- · Replies 6 ·
Quick Q: Understanding (k+1)^2 in Series Calculations
- phospho
- · Replies 3 ·
Answers to Doubts on -15 as L.C.M., Complex Numbers & More
- Swetasuria
- · Replies 21 ·
Inverse Trigonometric Equation problem
- acen_gr
- · Replies 11 ·
Prove that sin⁶θ + cos⁶θ = 1 - 3sin²θcos²θ
- acen_gr
- · Replies 5 ·
Calculating Nth Root of Vector: Non-Integer Solutions
- sue132
- · Replies 3 ·
Probability of losing if a 5 comes up (dice problem)
- agnibho
- · Replies 4 ·
Discrete Mathematics - Void Sets being Subsets of other Void Sets
- johnstobbart
- · Replies 2 ·
Subtracting Equations: How to Solve for Unknown Variables
- Looh
- · Replies 1 ·
Symmetry of R: Proof & Solutions
- Kolmin
- · Replies 3 ·
Binomial Distribution: Finding Probability with Trials, Success, and X Value
- TyErd
- · Replies 5 ·
Solving Normal Distribution Homework: μ, σ, X, p
- TyErd
- · Replies 1 ·
How can I simplify a summation with constant variables A and B?
- nobahar
- · Replies 10 ·
Trigonometric Limit Problem: Finding the Limit as x Approaches 0
- PotentialE
- · Replies 1 ·
Basic Set Theory: Determining Relations: Reflexive, Symmetric, Transitive
- Bob4040
- · Replies 2 ·
How can I simplify (1/cos2θ) - (1/cot2θ) using trigonometric identities?
- Burjam
- · Replies 2 ·
Proving trigonometric identities
- DJ-Smiles
- · Replies 6 ·
Trig Identity Proof: Show that 4(sin^4x + cos^4x) is Equivalent to cos(4x) + 3
- phospho
- · Replies 12 ·
Why is y=(-2)^x impossible to graph?
- Gregory.gags
- · Replies 9 ·
Complex power raised over real number.
- PrashntS
- · Replies 6 ·
Solving for a variable in terms of two other variables
- iancurtis
- · Replies 7 ·
Simple question: Find equation of a line thru 2 points. Thanks.
- nukeman
- · Replies 8 ·
How to solve this triangle problem.
- feihong47
- · Replies 13 ·
How do I evaluate this log function?
- feihong47
- · Replies 6 ·
Conditional probability exercise
- Charlotte87
- · Replies 2 ·
Calculating the mean and variance from a moment generating function
- Charlotte87
- · Replies 2 ·
Understanding Trig Quadrants and the Role of |k| ≥ 1 in Solving for θ
- phospho
- · Replies 2 ·
Basic Topology Proof: y in E Closure if E is Closed
- bedi
- · Replies 1 ·
What is the Mathematical Model for Desires and Eating Habits?
- Fat=laziness
- · Replies 23 ·
Finding the inverse of a rational function
- mindauggas
- · Replies 7 ·
Trig Quick Question: Solving for Values of θ in 0 ≤ θ ≤ 360 Interval
- phospho
- · Replies 4 ·
Oblique asymptotes of a rational function
- mindauggas
- · Replies 1 ·
Algebra II Correct Form to Answer Discrimants Problems
- velox_xox
- · Replies 8 ·
Finding the Area of a Triangle Inside a Circle and Parallel Line: How to Solve?
- Kartik.
- · Replies 9 ·
Inclusion - exclusion principle
- threeder
- · Replies 6 ·
Summation of series using method of difference
- hhm28
- · Replies 14 ·
Algebraic Expansion with complex numbers
- h_ngm_n
- · Replies 8 ·
Solving Trigonometry Equations: Confused about Cos4x?
- jtart2
- · Replies 6 ·
Prove Trig Identity: CosθSinθ = Cos2θ+CosθSinθ
- Bradyns
- · Replies 2 ·
Help with Trigonometry: Combine Two Triangles
- hgphtgi
- · Replies 1 ·
What are the different number of matrices available for the following
- vcakula
- · Replies 5 ·
Are These Relations Symmetric?
- Shark1
- · Replies 1 ·
Summer Math review: Solve for z
- Heqi
- · Replies 3 ·
What is the equation of a line given one point and another unknown value?
- mynameisfunk
- · Replies 3 ·
How Do You Prove Point Equidistance and Find Loci in Geometry?
- Kartik.
- · Replies 2 ·
Proving the sum of squared odd numbers
- Duderonimous
- · Replies 7 ·
Please help with probability and statistics problem
- gokuls
- · Replies 3 ·
Understanding the Simple Proof of sin^2θ = 1-cos^2θ in Trigonometry
- claytonh4
- · Replies 7 ·
Exact Value of Inverse Trig Function
- communitycoll
- · Replies 6 ·
System of two equations with radical expression
- dmehling
- · Replies 24 ·
3 questions from basic binominal theory
- threeder
- · Replies 10 ·
(x-y)3 + (y-z)3 + (z-y)3 = 3(x-y)(y-z)(z-x)
- lovatto
- · Replies 4 ·
Find Radius of Largest Circle in Middle - IGCSE Math
- salik
- · Replies 10 ·
Do I have a problem? Basic proportion problem.
- Life-Like
- · Replies 3 ·
How to Simplify a Rational Function
- LoA
- · Replies 2 ·
How Do You Calculate the Area of a Regular Octagon Cut from a Square?
- Idiotinabox
- · Replies 3 ·