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.
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Calculating the intercepts of a plane
- Brewer
- · Replies 2 ·
What type of equation is h(x)=x^2/(x-1.5)?
- flash
- · Replies 1 ·
Proving Pascal's Formula for Combinations: Using Pascal's Triangle and Formula
- Elruso
- · Replies 5 ·
Finding 1^3+2^3+3^3+...+100^3 mod 4
- Elruso
- · Replies 1 ·
Finding integer solutions to x + y + z + t = 16 with odd or even constraints
- Larz31
- · Replies 7 ·
Understanding Hyperbolic Functions: A Worked Example from Definitions
- Firepanda
- · Replies 2 ·
GCSE Proof os square with equalaterial triangles
- thomas49th
- · Replies 5 ·
Using a fraction equation to solve a related problem with substitution
- thomas49th
- · Replies 13 ·
Solving an Equation with Trigonometric Terms
- sacwchiri
- · Replies 3 ·
Point-slope and slope-intercept forms give different Y-intercepts
- RadiationX
- · Replies 4 ·
Area of a triangle formed by vectors
- t_n_p
- · Replies 5 ·
Efficient Trigonometric Identity Solution for Finding tan x
- teleport
- · Replies 2 ·
Solving the simultaneous equations 1.65 - x = -0.5244y and 1.78 - x = 0.8416y
- CathyLou
- · Replies 7 ·
Convince a classmate that division is not associative.
- okunyg
- · Replies 4 ·
Summation Proof with Binomial Theorem
- ChaoticLlama
- · Replies 1 ·
Question: How can I solve these Number Theory/Expansion homework problems?
- f(x)
- · Replies 10 ·
Safe code with exactly one faded button from four
- danago
- · Replies 4 ·
Trigonometry - Finding degrees of triangle
- BrownPrincezz
- · Replies 3 ·
Proving m + 1/m = Integer When m = 1
- disregardthat
- · Replies 34 ·
Do Numbers Exist Independently or Are They Just Human Inventions?
- Teresa
- · Replies 4 ·
Calculating the Mass of a Uniform Scaffold Pole with Attached Brackets
- Firepanda
- · Replies 11 ·
Deriving an Equation to Find Width of Hallway from Two Ladders
- danago
- · Replies 2 ·
Simple trig identification equation question which i can not answer
- i-love-physics
- · Replies 5 ·
Sin+Cos Question makes no sense to me
- College_Noobie
- · Replies 10 ·
Can the Binomial Theorem Prove This Series Equals (-2)^n?
- ND3G
- · Replies 1 ·
Simplifying Logarithm Expressions with Unknown Variables
- teleport
- · Replies 8 ·
Is my text book messing wih me again?
- Styx
- · Replies 3 ·
Expand Using Binomial Theorem: (1-y^2)^5
- Styx
- · Replies 2 ·
Answer: Understanding Exponents: Inside vs Outside Brackets
- Styx
- · Replies 5 ·
Find parametric question for the plane
- bonbon
- · Replies 3 ·
Conics - Semi Major/Minor Axis
- katrina007
- · Replies 5 ·
How to Solve Partial Fraction Decomposition for (2x+3)/(x+1)^2
- Rasine
- · Replies 8 ·
Vector Addition and Subtraction in Three Dimensions
- fffff
- · Replies 3 ·
Question from Perms and Combs unit
- wScott
- · Replies 5 ·
Trig - can't see how to simplify
- Brewer
- · Replies 17 ·
Prove x - (1/2)x² < ln(1+x) < x for all positive x
- reza
- · Replies 7 ·
"Finding theta in Argand Diagrams
- ahoy hoy
- · Replies 4 ·
Finding Limits Using the Cotangent and Tangent Functions
- reza
- · Replies 8 ·
Equations of the three parabolas
- jrm2002
- · Replies 5 ·
How many ways can you buy a dozen donuts from 5 types?
- darthchocobo
- · Replies 4 ·
Unit of the Determinant of a 2-space Matrix
- Hendrick
- · Replies 4 ·
Solving Complex Number Proof: w^2 + (5/w) - 2 = 0
- ahoy hoy
- · Replies 1 ·
Finding k when 8√8 = 8^k
- thomas49th
- · Replies 3 ·
What Coefficients Create a W Shape in a Quartic Function?
- lhf454443
- · Replies 1 ·
Mathmatical Induction Problem (Divisibility)
- Kb1jij
- · Replies 2 ·
Trigonometric Equations: Solving 2 sin^2x - 4 cos^2x = 0 for x in [0°,360°]
- disregardthat
- · Replies 5 ·
Verify that each equation is an identity
- kuahji
- · Replies 5 ·
Someone please explain why/how unit vectors help in vector calculations?
- mujadeo
- · Replies 4 ·
What is the exact value of sin 240º?
- Corkery
- · Replies 3 ·
Solving fractional equations by finding a common denominator
- light_bulb
- · Replies 11 ·
Method to usde to find percentage error
- Firepanda
- · Replies 10 ·
Combination Math Problem: Choosing 5 Balls from 4 Boxes without Restriction
- Harmony
- · Replies 1 ·
How Do You Solve the Quadratic Equation (x+3)(x-2)^2=72?
- ihopeican
- · Replies 3 ·
What kind of equation is this?
- light_bulb
- · Replies 11 ·
Can Sigma Notation Solve This Complex Series?
- kevinater2007
- · Replies 4 ·
Advanced Trigonometry: Solving for CX in a Triangle with Area 56.4 (3sf)
- david18
- · Replies 3 ·
Linear independence of columns of a matrix
- TrippingBilly
- · Replies 4 ·
Olutions to Hilbert Hotel's Infinite Room Challenge
- Shing
- · Replies 6 ·
Express sum as single algebraic fraction
- thomas49th
- · Replies 9 ·
Algebraic problem: forming equation?
- buddyboole19
- · Replies 6 ·
What are the parametric equations of a line perpendicular to two given lines?
- bonbon
- · Replies 2 ·
How Do You Solve a Skew Lines Distance Problem in Vector Geometry?
- thepassenger48
- · Replies 1 ·
Discontinuity at x=0: Sketch sin(1/x), xsin(1/x), and x^2sin(1/x)
- bigevil
- · Replies 4 ·
Proving that MN is Parallel to AB and CD
- Styx
- · Replies 2 ·
Does the inequality a^(n+1) ≥ ∏x_i follow from the given condition?
- teleport
- · Replies 4 ·
Choosing 4 people from 3 groups with at least 1 from each
- danago
- · Replies 7 ·
Fire distance from two observation stations 17 miles apart
- Kimisaishime
- · Replies 1 ·
Solve each linear system using row reduction
- ND3G
- · Replies 8 ·
Finding multiple angle solutions using sine graphs
- david18
- · Replies 6 ·
How Can You Prove That Triangle BMP and CMQ Are Congruent in this Diagram?
- Styx
- · Replies 2 ·
Determine the remainders when dividing their squares by four
- ND3G
- · Replies 5 ·
Quadratic applications question
- ghostchaox
- · Replies 4 ·
Calculate Blue Surface Area of Circles and Rosette
- kristo
- · Replies 2 ·
What Is the Nth Term of the Sequence 2, -5, 10, -17?
- dtl42
- · Replies 6 ·
Determine the value of k using a line and plane
- Styx
- · Replies 4 ·
Simplifying trigonometric equation between two steps
- ACLerok
- · Replies 2 ·
Precalculus Distance Sun-Earth-Moon Problem
- katrina007
- · Replies 26 ·
Solving a logarithmic equation with cube roots
- brandon1
- · Replies 4 ·
Proving Inequality: x^2+2xy+3y^2+2x+6y+4 >= 1 for All Real Values of x and y
- siddharthmishra19
- · Replies 4 ·
Determine the vector and parametric equations
- Styx
- · Replies 1 ·
Is factoring just random trial and error?
- pivoxa15
- · Replies 2 ·
Finding (1+i)^20 using De Moivre's theorem
- catteyes
- · Replies 6 ·
Solving Consecutive Integer Problem: x(x+1)=30
- Saladsamurai
- · Replies 3 ·
How Do I Derive Equation From a Graph?
- Gordon Arnaut
- · Replies 8 ·
Rearranging t=2π√(m/k) for k and s=ut+½at² for graphing
- Large dwarf
- · Replies 8 ·
Basic log question, completely lost
- Chadlee88
- · Replies 3 ·
Can You Solve This Compound Angle Formula Question?
- Firepanda
- · Replies 2 ·
Solve log₅ x = ½ log₅ 25
- Corkery
- · Replies 7 ·
Why is there a b in the equation for mean?
- inv
- · Replies 2 ·
Solving Log Equations: 2^x * 4^(x+5) = 4^(2x-1)
- Corkery
- · Replies 2 ·
Finding sample size for 95% confidence interval with width less than 2.0
- inv
- · Replies 2 ·
How to find the equation of a parabola.
- john_blah
- · Replies 4 ·
How does the difference of squares apply to this limit with square roots?
- Monochrome
- · Replies 4 ·
Mean of two combined lists equals (p+q)/2: what conditions?
- Trail_Builder
- · Replies 4 ·
Sinusoidal and complex equation signals
- dervast
- · Replies 8 ·
Solving for x in an exponential
- meorozco
- · Replies 3 ·
Reducing Factorials: Is the Answer 1/[2n*2n+1]?
- pugfug90
- · Replies 3 ·
Continuous random variable={-b-(b^2-4ac)^.5}/(2a)=x?
- inv
- · Replies 6 ·
Show that (x + 3/x - 1) + (4/1 - x) simplifies to a constant
- Joza
- · Replies 7 ·
Proving Euler Equations and Solving Complex Numbers in Signal and Systems Course
- dervast
- · Replies 9 ·