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
Sum of cubes - please verify my proof
- iainfs
- · Replies 5 ·
What is the proof for sin(45+x).sin(45-x) = \frac{1}{2}cos2x?
- DERRAN
- · Replies 3 ·
Can the set of x be found for -1 ≤ 1/(1+cosx) ≤ 1?
- IsrTor
- · Replies 2 ·
How to solve a complex equation using quadratic formula
- username12345
- · Replies 3 ·
Law of Sines and alternate interior angles?
- benign.psycho
- · Replies 1 ·
Differentiating x2 w.r.t Time: Must I Differentiate \dot x?
- Niles
- · Replies 7 ·
How do i solve this trig question? identities etc?
- Dell
- · Replies 6 ·
Set- i do not understand the question
- icystrike
- · Replies 5 ·
Solving Sphere Ratio Problem: Diameters, Areas & Volumes
- Paradiselovek
- · Replies 1 ·
What is the Limit of the Half Bracket Operator?
- icosane
- · Replies 3 ·
Help on Expected Frequencies Q2 & 3 - No Quotes
- ongfufu
- · Replies 3 ·
Finding Range for r in Inequality: Quick Question on Solving for Lower Bound
- azdang
- · Replies 2 ·
How Do You Solve Trigonometric Equations Involving Cosine and Sine?
- andrelutz001
- · Replies 3 ·
Solving Logarithmic Equation: Why Isn't It Working?
- tweety1234
- · Replies 8 ·
Help me complete this question please
- physicsneek
- · Replies 3 ·
Solving Inverse Functions: Help Understanding h(x) & g(x)
- lilbite
- · Replies 9 ·
Need a little help with biquadratic equations
- Noiro
- · Replies 2 ·
Mastering Logarithms: Simplifying 1/4ln(x+2) + 1/3ln(x+3) for Homework
- cragar
- · Replies 3 ·
Mean Deviation Calculation for Chemistry Lab
- synergix
- · Replies 2 ·
How Can You Express Fibonacci Terms f_{n+1} and f_{n} Using f_{n+2} and f_{n+3}?
- morbello
- · Replies 1 ·
Finding the Values of (Theta): Solving cos2theta = 1/4
- ibysaiyan
- · Replies 1 ·
Composition of Functions (check me)
- Lynne
- · Replies 1 ·
Finding Vertical Asymptotes: Graphing (x-1)/(1-x^2) | Step-by-Step Tutorial
- TrueStar
- · Replies 6 ·
Percent of Data Values in 215-305 Range | Chebyshev's Theorem
- anita010963
- · Replies 2 ·
Help with Isomorphism: Construct an Isomorphism of 25 Elements
- adkinsc
- · Replies 8 ·
Constructing a Rational Function with Given Asymptotes and Intercepts
- TrueStar
- · Replies 2 ·
Proof by Induction: Proving the Sum of Squares Identity
- fluppocinonys
- · Replies 6 ·
Finding Extreme Values of a Function in a Given Interval
- Ofey
- · Replies 2 ·
Doing some how many combinations calculation
- Compaq
- · Replies 4 ·
Solving 4x for sin^-1(1) between -pi and pi
- spynjr
- · Replies 2 ·
Understanding Complex Numbers and Their Proof: A Step-by-Step Explanation
- Perillux
- · Replies 2 ·
Statistics Confidence Intervals
- sjooff111
- · Replies 1 ·
Solve Indicial Equations with Step-by-Step Homework Help
- juliany
- · Replies 1 ·
Finding the New Gradient: A Statistical Tables Book Guide
- steven10137
- · Replies 3 ·
Quick simple indentity explanation needed
- amd123
- · Replies 2 ·
Finding the Minimum Value of AC in a Triangle with Given Side Lengths
- tweety1234
- · Replies 6 ·
How Do You Solve Trigonometric Equations for Specific Angle Measures?
- Oscar Wilde
- · Replies 5 ·
Solving Fiber Optics Glass Characteristic Equations with Maple
- windsupernova
- · Replies 3 ·
Solve the Simple Equation: 1/d^2 = 1/(81m^2) + 1/(25m^2) in Just a Few Steps!
- superwolf
- · Replies 2 ·
Formula for this combination problem
- rhonkie
- · Replies 2 ·
What is the Pattern for Determinants of Matrices Raised to Increasing Powers?
- agary12
- · Replies 16 ·
What does 'write A as a product of 4 elementary matrices' mean?
- LaraCroft
- · Replies 2 ·
I hope this helps :)What is the expression for the matrix M^n in terms of n?
- agary12
- · Replies 14 ·
How Can MATLAB Implement the Leapfrog Method for Satellite Motion Simulation?
- ernal
- · Replies 1 ·
Trouble with Inequalities problem
- crays
- · Replies 2 ·
Can (1+4t+4t^2)^(1/2) * (1+4t+4t^2)^(3/2) Be Simplified to (1+4t+4t^2)^2?
- afcwestwarrior
- · Replies 1 ·
Is the Empty Set Open or Closed in Topology?
- soopo
- · Replies 11 ·
System of equations 4 variable
- synergix
- · Replies 5 ·
Arithmetic Series: Find 1st 3 Terms & 20th Term
- kwuk
- · Replies 1 ·
Finding the Intersection of Sets X and Y with Algebraic Methods
- yorick
- · Replies 3 ·
Some proofs involving greatest common divisors
- Andrusko
- · Replies 1 ·
Proving (csc x + cot x)/(tan x + sin x)=cot x*csc x with SOHCAHTOA
- wes28
- · Replies 2 ·
Point of intersection for sine and cosine functions
- reedy
- · Replies 10 ·
Finding the equations of a graph
- Missionz12
- · Replies 3 ·
Differet Types of Mathematical Arguments and Proofs
- soopo
- · Replies 3 ·
Find the equation of the polynomial
- Noir
- · Replies 1 ·
Where can I find a complete logarithmic formulas worksheet or tutorial?
- MrAnderson
- · Replies 2 ·
Probability of bridge collapsing
- Sportsman4920
- · Replies 2 ·
What's the PDF of a Unit Sphere Projection on the X-Axis?
- Micle
- · Replies 3 ·
Solve Natural Logarithms ln(x+1)+ln(x+3) < ln(x+7)
- Compaq
- · Replies 8 ·
Slope of line based on one point and area of triangle
- snailshell
- · Replies 2 ·
How to solve sqrt(25) + sqrt(30)?
- Stratosphere
- · Replies 7 ·
Solving Complex Fraction: Hint for Rule to Follow
- Raizy
- · Replies 12 ·
Sketching Absolute value graphs
- w0lfed
- · Replies 5 ·
Maintaining Volume in a Cylinder: Solving for the Necessary Radius Adjustment
- Paradiselovek
- · Replies 2 ·
Using Induction to Prove 2^n >= n+1 for Natural Numbers
- roam
- · Replies 4 ·
Equation of Perpendicular Bisector
- TbbZz
- · Replies 4 ·
1.5 hours wasted on this Complex Fraction; Darn these -1's for (1-b)'s
- Raizy
- · Replies 4 ·
Counterexample: (u + v)^2 ≠ u2 + v2
- relyt
- · Replies 12 ·
Find the inverse of the function
- HOFBrINCl
- · Replies 7 ·
Polynomial Roots and Synthetic Division
- shemer77
- · Replies 8 ·
Why Is My Algebraic Solution Incorrect?
- tinkus
- · Replies 4 ·
Applications of Differentiation
- chrisyuen
- · Replies 2 ·
Online assignments = confusion
- Alana456
- · Replies 2 ·
Solving Equations: 2 Equations, 1 Unknown Variable
- khatche4
- · Replies 2 ·
Help needed with Verifying Trigonometric Functions
- amd123
- · Replies 5 ·
Rewriting expression of logarithm
- nlsed
- · Replies 3 ·
Solving for x in y = (x+4)/(x+3): Is it Possible?
- JKaufinger
- · Replies 2 ·
Binomial Distribution Probability Problem
- mkir
- · Replies 5 ·
How to Solve Trigonometric Word Problems Correctly?
- amd123
- · Replies 5 ·
Calculating Work Done on a Box Being Pulled up a Ramp
- unknown101
- · Replies 3 ·
Prove Invertibility of I+A When A^k=0
- kidsmoker
- · Replies 5 ·
Testing series for convergence
- DorianG
- · Replies 2 ·
Prove the SAS Triangle Similarity Theorem from Trigonometry
- Lazerlike42
- · Replies 2 ·
Real Values of X: Solving Inequalities & Equations
- w0lfed
- · Replies 4 ·
Solving Radical Equations: Multiplying and Simplifying Roots
- Stratosphere
- · Replies 3 ·
Equivalence Problem: Is A and B Equivalent?
- soopo
- · Replies 6 ·
Heine-Porel from Bolzano-Weierstrass
- soopo
- · Replies 3 ·
Why Do Some Solutions Satisfy One Equation But Not the System?
- Niles
- · Replies 2 ·
Is a Cauchy Sequence Always Convergent?
- soopo
- · Replies 5 ·
Calculating Mean and Standard Deviation for a Biased Die Rolled 2000 Times
- matadorqk
- · Replies 1 ·
Proof of a simple logic statement
- soopo
- · Replies 3 ·
Find Incentre of 3D Triangle: Urgent Homework Help
- ritwik06
- · Replies 3 ·
Statistics(moment generating function)
- thandu3
- · Replies 5 ·
Creating a Rule for A^n Matrix Power
- ronicencen
- · Replies 6 ·
Forget No More: How to Find a Turning Point in a Quadratic Graph
- Michael17
- · Replies 3 ·
I with a Complex Rational Expression
- Charlie123
- · Replies 7 ·
Completing Square and quadratics
- physics2
- · Replies 3 ·
Proving the Half-Angle Formula for Tangent Using Trigonometric Identities
- xonicole
- · Replies 3 ·
No Solution for 3x+2y=7 in Real Numbers
- relyt
- · Replies 2 ·