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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Solving 8cos² θ + 7cos θ - 1 = 0 for all angles
- Byrgg
- · Replies 5 ·
Will These Numbers Appear in Specific Mathematical Sequences?
- Aya
- · Replies 7 ·
Prove that (1-sin2x)/cos2x = (1-tanx)/(1+tanx)
- 01suite
- · Replies 15 ·
Sequence and series word problem
- Aya
- · Replies 4 ·
Proving Rhombus Diagonals Intersect at Right-Angles
- masterofthewave124
- · Replies 14 ·
Solve Trig Equation: cos 2x - cos^2x = 0
- 01suite
- · Replies 5 ·
Testing collinearity and coplanarity with vectors
- masterofthewave124
- · Replies 11 ·
Determine Right Angle of ΔABC with Vector Methods
- masterofthewave124
- · Replies 17 ·
How to plot graphs like x sin(x) and x sin(1/x)
- rishiraj20006
- · Replies 5 ·
Prove Normal Subgroup When G Order is Twice H Order
- Nevermore
- · Replies 1 ·
Vector Equations and Circle Problems
- pavadrin
- · Replies 11 ·
Finding the Solution to an Extra Credit Math Problem
- hmm?
- · Replies 8 ·
Finding the Obtuse Angle Between Diagonals in a Diagram
- masterofthewave124
- · Replies 5 ·
How Do You Calculate and Graph Standard Deviation and Mean Deviation?
- minase
- · Replies 1 ·
How Is pH Calculated for a More Alkaline Solution?
- petuniac
- · Replies 3 ·
Finding distance between Pittsburgh and Miami using arc length
- Gablar16
- · Replies 2 ·
How Do You Find the Equation of a Line Given Two Points?
- pavadrin
- · Replies 6 ·
Solving X-Intercepts of 30x^4+23x^3-29x^2+6x/x
- SwAnK
- · Replies 2 ·
For what value of p does the system have solutions?
- finchie_88
- · Replies 4 ·
Linear dependence/independence
- masterofthewave124
- · Replies 5 ·
Things to expect with grade 10 Geometric Sequences
- wScott
- · Replies 2 ·
Formula for joints in cubic rod structures
- Carlito1
- · Replies 1 ·
Parabola conical whatever equations
- runicle
- · Replies 4 ·
Inscribing square into parallelogram
- r4nd0m
- · Replies 1 ·
Two irrational numbers with rational sum and product
- **bouncey!!**
- · Replies 7 ·
Finding the Circle that Passes Through Three Points on a Conic
- RooftopDuvet
- · Replies 2 ·
Simple equation , need walk through
- PhillyGixxer
- · Replies 10 ·
Find values of a for which ax + y = 7 and 4x + ay = 19 have no solutions
- wayneo
- · Replies 5 ·
What Is the Value of k That Makes This Matrix Non-Invertible?
- wayneo
- · Replies 4 ·
Projectile motion skateboarder throws a ball
- man_united_number_1
- · Replies 7 ·
Where does the 100 come from in the DuBois formula rearrangement?
- swears
- · Replies 8 ·
Finding the equation for a sequence of peak amplitudes from a waveform
- NiennaAncalimon
- · Replies 2 ·
Resources for probability project on weather forecasting
- minase
- · Replies 5 ·
Solving 4·3^x = 7·5^x and 2^x = e^(x+1)
- swears
- · Replies 15 ·
Angle to a road sign: when is it largest as a car approaches?
- Alec
- · Replies 9 ·
Proving Angles in a Circle: Angle 2 is Twice Angle 1
- Vashti
- · Replies 2 ·
How to Calculate Distance to the Horizon Based on Height Above Water
- Alec
- · Replies 3 ·
Simplifying Algebraic Factoring: Identifying Patterns and Formulas
- JoshHolloway
- · Replies 4 ·
Two integers sum to 20, five times the smaller is two more than twice the larger
- kuahji
- · Replies 3 ·
Calculating Divergence of a Function: A Berliner's Struggle
- Daniel Jackson
- · Replies 1 ·
4-letter words can be made from pulleys?
- James_fl
- · Replies 8 ·
Calculating Cone Properties: Height, Slant, Radius, and Volume in Terms of x
- rachael
- · Replies 4 ·
Preparing for Precalculus: What to Know Beforehand
- amenon
- · Replies 4 ·
Exponential equations, profit maximization, and vector magnitude
- danago
- · Replies 4 ·
QUESTION 3:Calculate the value of log base 3 of 81SOLUTION:Answer is 4.
- petuniac
- · Replies 11 ·
Division with variables (I think I'd call this double division)
- wScott
- · Replies 5 ·
How to solve x^x = 13 using logarithms
- minase
- · Replies 2 ·
What are the possible values of a for which (5a - 3:7a^2 - a + 1) = 1?
- kezman
- · Replies 5 ·
Do Vector Components Always Use Sine for Y and Cosine for X?
- PhillyGixxer
- · Replies 3 ·
Strategy of drawing the points of the sequence
- PPonte
- · Replies 5 ·
Proving a volume of a cylinder
- rachael
- · Replies 7 ·
Carol's age has reversed digits of her father's, sum of digits is 10
- bindwood
- · Replies 1 ·
Fourier transform Discreet time-shift
- electronic engineer
- · Replies 2 ·
What is the domain of 10/ln x?
- Rusho
- · Replies 5 ·
Circle and tangient question, AS core 2
- Sink41
- · Replies 4 ·
Finding rectangle dimensions for maximum area in circle x² + y² = 4
- rachael
- · Replies 2 ·
Calculating Magnitudes and Ratios of Position Vectors on a Line
- pavadrin
- · Replies 2 ·
Why does x = 1/5 not work in log6 36 = 5x+3?
- Rusho
- · Replies 7 ·
How Do You Maximize the Volume of a Prism with an Equilateral Triangle Base?
- rachael
- · Replies 1 ·
Application of differentiation
- rachael
- · Replies 1 ·
How to approach solving for parallel vectors?
- pavadrin
- · Replies 1 ·
How do logarithms and exponential functions relate?
- acceler8
- · Replies 3 ·
Is 19.14^n + 1 Always Not Prime?
- kezman
- · Replies 13 ·
Exponential and logarithmic properties
- fisico
- · Replies 1 ·
Finding piston displacement x as a percentage of h with radians
- pavadrin
- · Replies 9 ·
Why is the answer for solving cos2x=cosx not 0°+360k°?
- WillyTech
- · Replies 9 ·
How Does Proving A Matrix Is Row Equivalent to the Identity Matrix Work?
- Anisotropic Galaxy
- · Replies 3 ·
Probability of World Series Length?
- blumfeld0
- · Replies 8 ·
Calculating the Probability of Guessing the 51st Card Color
- blumfeld0
- · Replies 17 ·
Mode of 1,1,2,2: Is it 1, 2, Both, or None?
- r4nd0m
- · Replies 4 ·
Proving the Formula for the n-th Prime Number using Number Theory
- eljose
- · Replies 3 ·
Finding probability and variance for drawing red balls from an urn
- blumfeld0
- · Replies 2 ·
Solving Radian Measure Problems for Pavdarin
- pavadrin
- · Replies 2 ·
What is considered a high standard deviation?
- 0TheSwerve0
- · Replies 3 ·
Trig Problem: Finding Principle Values of x
- WillyTech
- · Replies 3 ·
Finding x and y intercepts of y = cos(e^(-x) + 2)
- jacy
- · Replies 11 ·
Can Opposite Angles Determine Special Properties in Quadrilaterals?
- Benny
- · Replies 4 ·
Motorcycle race with speed and time differences
- msimard8
- · Replies 1 ·
Simplifying sin²x cos⁴x and proving three trig identities
- Laceylb
- · Replies 21 ·
Problem Solving question with circles
- Aya
- · Replies 4 ·
Trig problem cos (arctan 5/12)
- jacy
- · Replies 7 ·
Choosing Vertices of a Polygon from Random Points on a Circle: How Many Ways?
- physicsss
- · Replies 2 ·
Can You Use Patterns to Find the Last Two Digits of Powers of 4?
- sparsh
- · Replies 1 ·
How can I use the Rational Zeros Theorem to factorize cubic functions?
- danago
- · Replies 9 ·
How to Create a Triangle with Given Dimensions and Angle?
- electronic engineer
- · Replies 13 ·
Solving Subscripted Variable Equations: Formula and Example Problems
- Richay
- · Replies 4 ·
How Do You Find the Y-Intercept and Solve Quadratics by Completing the Square?
- Richay
- · Replies 3 ·
Proving (1-sin x)/(1+sin x) = (sec x-tan x)²
- hmm?
- · Replies 6 ·
Uniform Motion Problems Part.2
- Richay
- · Replies 2 ·
Analytical Geometry: Recommended Books
- pokerponcho
- · Replies 1 ·
Deriving variance for binomial distribution and mean for hypergeometric distribution
- Dr.Brain
- · Replies 8 ·
Write an equation for the circle
- Aya
- · Replies 6 ·
What does zero-mean data set mean in trend removal?
- big man
- · Replies 1 ·
Word problem/Quadratic equations
- Richay
- · Replies 9 ·
Verify trig identities and find solutions to cos(x + π/4) - cos(x - π/4) = 1
- Laceylb
- · Replies 9 ·
Solve Geometry Problem: Find Angle EDC Without Cheating
- Jameson
- · Replies 1 ·
Counting non-decreasing functions from [1,n] to [1,n]
- kezman
- · Replies 17 ·
What Are Your Thoughts on This Simple Circle Problem?
- soggybread
- · Replies 3 ·
Calculate Water Volume Needed for Sphere Tank
- avb203796
- · Replies 6 ·