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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Partial fraction decomposition of (7x³ - 2)/[x²(x+1)³]
- dnt
- · Replies 4 ·
Cartesian points in polar coordinates.
- lakitu
- · Replies 20 ·
Expanding 1/2(x-3)^2-18: why do I get -27 instead of -27/2?
- Schrodinger's Dog
- · Replies 2 ·
Can we assume even times odd equals even in a proof?
- masterofthewave124
- · Replies 29 ·
Standard deviation of rates with scientific notation
- Hootenanny
- · Replies 16 ·
Solve Inequality Problem for f(x)=x^2+kx+k, Determine k
- Sisyphus
- · Replies 9 ·
Proving Similarity of Matrices
- cheunchoi
- · Replies 7 ·
No. of customers (probability)
- Clari
- · Replies 2 ·
Finding intersection points of a line and parabola
- bambino9
- · Replies 10 ·
Finding f(g(3)) where f(x) = 2x - 4 and g(x) = x² - x - 4
- lakitu
- · Replies 5 ·
Solving 2ln(x) = 2 + ln(x-1)
- Muskox
- · Replies 3 ·
Analysis of $e^{ix}$ by Maclaurin Formula
- Nea
- · Replies 2 ·
Why do Both A=3 and A=6 work for divisibility by 3 and 6?
- dnt
- · Replies 10 ·
Need the domain of integral values that satisfy
- cscott
- · Replies 10 ·
Solve for Point Corresponding to P=(-2,4) on g(x) Using f(x) and g(x)=2f(x-1)-3
- Skydog287
- · Replies 2 ·
Finding the Equation of a Straight Line Through Two Points: How Do I Do It?
- lakitu
- · Replies 2 ·
Independent and dependent variables in polar coordinates
- WillyTech
- · Replies 1 ·
Finding the Present Value Compounded Monthly
- runicle
- · Replies 1 ·
Finding eigenvectors for a 2x2 matrix with eigenvalues 4 and 9
- kel
- · Replies 5 ·
How do you solve x² = 0?
- lakitu
- · Replies 10 ·
How Do You Simplify Radicals with Variables?
- wScott
- · Replies 22 ·
A combinatoric problem of real life.
- S&S
- · Replies 2 ·
Is x(-t) = -2t+2 with domain -1≥t>0 or -1≥-t>0?
- dervast
- · Replies 7 ·
Angle-Angle-Angle conditions for proving triangles are congurent
- AngelShare
- · Replies 1 ·
Converting polar point (6, 120°) to rectangular coordinates
- lakitu
- · Replies 6 ·
Indeterminate form of infinity minus infinity and left/right derivatives
- mohlam12
- · Replies 1 ·
Incredibly small equation but cant find answer
- Haxx0rm4ster
- · Replies 4 ·
Finding parabola equation with vertex (2, -2) opening right
- konartist
- · Replies 9 ·
Why does my calculater calculate this wrong?
- esradw
- · Replies 3 ·
Verifying Solution to 2\sin\theta\cos\theta + 2 \sin\theta - \cos\theta -1 = 0
- Apost8
- · Replies 10 ·
Two questions - factoring and exponents
- superdave
- · Replies 7 ·
What is the value of k for the decreasing volume of chlorine in a swimming pool?
- rachael
- · Replies 2 ·
Modeling Sugar Dissolution in Hot Water: Finding the Decay Rate
- rachael
- · Replies 3 ·
Why minimizing PR² + QR² doesn't find minimum PR + RQ
- ohlhauc1
- · Replies 1 ·
(non)fractional Negative Exponents
- wScott
- · Replies 12 ·
How can I simplify the conversion of x^2+y^2-3cos\Theta+4sin\Theta=0 to polar?
- sportsguy3675
- · Replies 15 ·
Calculating Triangle Area: S1, S2 and ABF
- Semo727
- · Replies 1 ·
Finding digit D where √ABADEC = BEB
- GeoMike
- · Replies 1 ·
How to Prove Complex Trigonometric Identity?
- clook
- · Replies 14 ·
Algebra 2: Simplifying Radicals with Exponents 8^(2/3) * 9^(1/2) - Evaluate
- woahitzyou
- · Replies 2 ·
Converting parametric equations to Cartesian form
- lakitu
- · Replies 4 ·
Solving 2cot²x + 7cosec x - 13 = 0 for 0-360°
- Hootenanny
- · Replies 3 ·
Verifying Parametric Equation: (x+y)(x-y)^2 = k
- Hootenanny
- · Replies 5 ·
Solve math equation without assumptions
- Milind_shyani
- · Replies 5 ·
Solving 9.8*Sin(theta)=7.056*Cos(theta)
- RedBurns
- · Replies 2 ·
Finding minimum path sum and rectangle dimensions in isosceles triangles
- ohlhauc1
- · Replies 3 ·
How can I solve this factorization problem without assumptions?
- Milind_shyani
- · Replies 2 ·
Applying trigonometric functions to some real life situations
- funktion
- · Replies 5 ·
Linear programming problem with 3 variables and constraints
- Izekid
- · Replies 1 ·
Negative exponents and calculation rules
- runicle
- · Replies 20 ·
Proving trigonometric identities
- clook
- · Replies 1 ·
Solve Trinomial Problem: 2(2x^2+3x-14)
- Hollysmoke
- · Replies 5 ·
Finding limits with parameter values at vertical asymptotes
- mohlam12
- · Replies 10 ·
Understanding Vector Components and Resolved Parts: A Simple Explanation
- hellraiser
- · Replies 6 ·
Is Every Number with an Odd Number of Divisors a Perfect Square?
- GeoMike
- · Replies 1 ·
Imaginary multiplication with answer to be in polar (variables)
- sportsguy3675
- · Replies 2 ·
Find the vertex, focus, and the directrix of the parabola
- konartist
- · Replies 2 ·
How do I prove that x + 1/x is greater than or equal to 2 if x > 0
- JasonJo
- · Replies 6 ·
Solving Proportionality: Cost of Running a Business w/ 18 Employees
- lektor
- · Replies 5 ·
Finding the Equation of a 3D Line from Two Points
- tandoorichicken
- · Replies 4 ·
Is there a way to simplify my chemical system model?
- Hootenanny
- · Replies 2 ·
How many 3-digit numbers have exactly 2 identical digits?
- tatoo5ma
- · Replies 4 ·
Solving the Limit of x+sin(x) as x Goes to ∞
- mohlam12
- · Replies 10 ·
How do I find the x-intercepts of y=x^4−3x^2+2 and sketch the graph?
- rachael
- · Replies 3 ·
Simplifying a complex fraction
- -1337-
- · Replies 15 ·
Solve cot(x)/tan(x) + 1 = tan(x) + cot(x) for x
- mcs117
- · Replies 6 ·
Learn the Pythagorean Theorem with Lou
- Lou1024
- · Replies 6 ·
Finding quadratic equation from x-intercepts and a point
- ohlhauc1
- · Replies 3 ·
Solving Limit Without Derivatives
- mohlam12
- · Replies 5 ·
How Do You Calculate the Slope of a Line with a 130-Degree Inclination?
- konartist
- · Replies 1 ·
Proving the Pythagorean Identity: A Brief Analysis
- Apost8
- · Replies 6 ·
Finding Exact Value of d tan (π/12)
- rachael
- · Replies 2 ·
Finding logistic function with limiting value 6 through (0,3) and (1,4)
- tony873004
- · Replies 11 ·
Why Does Calculating i^2 as sqrt(-1) * sqrt(-1) Lead to Confusion?
- DeathKnight
- · Replies 25 ·
Prove cot²X - 1 = csc²X and cot²X - cos²X = cos²X cot²X
- mrtkawa
- · Replies 7 ·
What Price Maximizes Profit for Snax-Treat Sales at the Corner Store?
- cscott
- · Replies 3 ·
I proving two Trig identities
- xxiangel
- · Replies 6 ·
I can't understand this in partial fractions
- dilan
- · Replies 71 ·
Matrix Inverse Problem: Troubleshooting Proof and Multiplication Error
- DethRose
- · Replies 3 ·
Combinatorics Problem: Assigning Seats for 4 Guys and 4 Girls in a Single Row
- Tony11235
- · Replies 3 ·
Really getting started precal honors problem
- bennett
- · Replies 5 ·
Solving Geometry Equations with Cosine and Euler Angles
- Hollysmoke
- · Replies 9 ·
Factoring Fractions: Solve (x+20)(x+10)^2+400
- seang
- · Replies 2 ·
Equation for Point P's Path in Parametric Problem
- Mauserketi
- · Replies 1 ·
What is the area of triangle ABC in 3-D?
- ivybond
- · Replies 4 ·
A, B are countable. P(s), power set, and f: A-> not always countable?
- Tony11235
- · Replies 7 ·
How can I solve for d in terms of l and constants?
- UrbanXrisis
- · Replies 4 ·
The Potential of Your Ti-83 plus Calculator
- konartist
- · Replies 5 ·
Complex integer expression problem
- Werg22
- · Replies 6 ·
Calculating Half-Life: 50mg to 10mg in 18.4 Days
- runicle
- · Replies 4 ·
Having trouble solving this limit? Need some hints?
- mohlam12
- · Replies 8 ·
Show that this locus determines a circle in C
- vaishakh
- · Replies 2 ·
N-letter words with A, B, C without adjacent A's
- heman
- · Replies 5 ·
Does $\sqrt{n!+n}-\sqrt{n!} > 1$ for Some Integer n?
- Treadstone 71
- · Replies 9 ·
Solve 0.7 < \alpha < 0.8 for x in y = \cos 3x + 2
- Hootenanny
- · Replies 5 ·
Proving "If A U C = B U C then B = C" Without Drawing a Venn Diagram
- caws
- · Replies 8 ·
Solve f(g(x))=30 with nested functions and factor an expression
- Nikola Tesla
- · Replies 4 ·
Factoring 16a² - 24ab + 9b² - 25c²
- Hollysmoke
- · Replies 5 ·
Polynomial Division puzzler(well to me anyway :P )
- ramstin
- · Replies 8 ·
Understanding Limits: How to Solve Challenging Problems in Calculus
- mohlam12
- · Replies 1 ·