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 fractions with variable exponents in the numerator and denominator
- Tubefox
- · Replies 2 ·
Trigonometry, area of triangle
- Feodalherren
- · Replies 10 ·
Simplifying finite geometric series expression
- Beer-monster
- · Replies 3 ·
Prove A is a singleton from family of sets property
- 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 ·
Simplifying (60x⁴−240x)/(3x⁴+x³−14x²+4x+8)
- 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 ·
Finding a³+b³+c³ for roots of 2x³-15x²+30x-7=0
- 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 ·
Solving rational and radical equations with fractions
- 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 ·
Finding a man's age given fractions of his life stages
- kkaterr
- · Replies 12 ·
Using logarithms in loan amortization formula
- 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 ·
Can -15 be the L.C.M. of -5 and -3, and plotting complex cube roots?
- 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 ·
Is the domain quantification needed to prove R is symmetric iff R=R⁻¹?
- 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 ·
Proving 4(sin⁴x + cos⁴x) = 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 ·
Finding the equation of a line through (-2, 1) and (2, 3)
- nukeman
- · Replies 8 ·
How to solve this triangle problem.
- feihong47
- · Replies 13 ·
How do I evaluate this log function?
- feihong47
- · Replies 6 ·
Conditional probability with colored tulip bags
- 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 ·
Why does factoring 2sin θ − csc θ give extra solutions?
- 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 triangle AOB with a circle and parallel line
- 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 ·
Why does cos4x give two different forms when expanded?
- jtart2
- · Replies 6 ·
Prove Trig Identity: CosθSinθ = Cos2θ+CosθSinθ
- Bradyns
- · Replies 2 ·
Combining two right triangles back to the original
- 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 ·
Odds against rolling doubles, birthday sampling, and gift distribution problems
- gokuls
- · Replies 3 ·
Why does (r² - x²)/r² become 1 - (x/r)²?
- 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 ·