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
Solve Logarithms: Find X When 8logx-3logx^2=log2
- donniemateno
- · Replies 2 ·
Is 2x(x) equal to 3x or 2x²?
- Cornraker
- · Replies 4 ·
What is the graph of 4x = 4y - y^2?
- zeion
- · Replies 2 ·
Factoring this thing with 6 degree
- zeion
- · Replies 8 ·
Linear Algebra - Change of basis question
- zeion
- · Replies 2 ·
Deriving the Tridimensional Equation of a Straight Line Using Vector Algebra
- likephysics
- · Replies 10 ·
Circle tangent to x-axis at (4,0) and tangent to line 3x-4y-17=0
- Number1
- · Replies 9 ·
Writing cotangent in terms of cosinehow?
- megr_ftw
- · Replies 6 ·
Unit vectors for point P and direction from P to Q
- ~Sam~
- · Replies 1 ·
Factoring something with absolute value
- zeion
- · Replies 4 ·
Factoring something with cube power?
- zeion
- · Replies 9 ·
Find the First Term of a Sequence: Q1, Second Term = 6, Fifteenth Term = 25
- r-soy
- · Replies 6 ·
Finding intersection of y = -√x and y = x - 6
- zeion
- · Replies 8 ·
Find cos B in a circle with tangent and chord
- um0123
- · Replies 19 ·
Finding the matrix of T with respect to bases A' and B'
- zeion
- · Replies 9 ·
What is the solution to (x-7)^2=(x+3)^2?
- mistalopez
- · Replies 3 ·
Is a function increasing where f'(x) > 0 or f'(x) ≥ 0?
- songoku
- · Replies 8 ·
Tension and Pulley Madness (Load weight)
- jegues
- · Replies 4 ·
Simple probability that I can't get out
- rock.freak667
- · Replies 12 ·
Can More Vectors Than Dimensions Be Linearly Independent?
- choob
- · Replies 2 ·
Solving an equation and checking solution
- mistalopez
- · Replies 2 ·
Finding tan(A+B) where sinA=7/25, sinB=5/13
- lemon
- · Replies 3 ·
How to compute a least squares fit to a straight line
- noname1
- · Replies 1 ·
Uniqueness of integers question
- BustedBreaks
- · Replies 4 ·
Linear algebra - change of basis matrix
- zeion
- · Replies 1 ·
Why does p₁p₂...pₙ+1 not divide by all primes, not just pₙ?
- BustedBreaks
- · Replies 4 ·
Find all x in [0, 2π] where sin x > cos x
- huntingrdr
- · Replies 14 ·
This is SO simple, why can't I figure it out?
- LBRRIT2390
- · Replies 2 ·
How do you factorise 4x² - 4?
- Gringo123
- · Replies 6 ·
Calculating Determinants to Finding the Correct Answer
- 60051
- · Replies 6 ·
How Can You Prove the Law of Cosines Using Coordinates?
- huntingrdr
- · Replies 5 ·
Why does sin(90°) + tan(45°) equal 2?
- Mejiera
- · Replies 4 ·
Simplifying a logical equivalence statement without a truth table
- needshelp5
- · Replies 1 ·
Area of Triangle: How to Calculate
- huntingrdr
- · Replies 4 ·
How Does f(x) = 1/sin(x) Satisfy the Given Functional Equation?
- fled143
- · Replies 3 ·
What could be causing the discrepancy in the angle calculation?
- kenewbie
- · Replies 2 ·
Mass in corner between wall and lift at 65°
- Tevion
- · Replies 8 ·
How do I calculate these questions relating to roots of quadratic equation?
- eureka_beyond
- · Replies 1 ·
Can x3 be factored into common quadratic factor for P(x) and Q(x)?
- songoku
- · Replies 4 ·
Finding sin(2y) and cos(2y) given sec(y) = 5/4
- huntingrdr
- · Replies 1 ·
Finding tension and angles in a two-rope pulley system
- jegues
- · Replies 7 ·
Algebra applied to Trigonometry problem
- Moroni
- · Replies 14 ·
Have I rearraged this formula correctly?
- Gringo123
- · Replies 3 ·
Factorising Problem Solutions: 32x^3(2x^2+1)+8x(2x^2+1)^2
- rudders93
- · Replies 3 ·
Rewriting an expression using a radical.
- Cornraker
- · Replies 1 ·
How Are the Trigonometric Identities for Cosine and Sine Related?
- nesta
- · Replies 2 ·
How Do You Handle Exponents Inside a Radical?
- Cornraker
- · Replies 4 ·
Three unknowns in pulley and weight system
- jegues
- · Replies 16 ·
Why is -2^4 + 3^-1 = 13 not correct?
- Cornraker
- · Replies 9 ·
Calculating QP, QR, and the Angle PQR
- lemon
- · Replies 9 ·
Finding the value of a and intersection point of two lines in vector form
- lemon
- · Replies 3 ·
How to input equations into posts?
- Cornraker
- · Replies 2 ·
Plumber charges with greatest integer function
- Kino
- · Replies 2 ·
Proving 2^n > n^2 for n >= 4 by Induction
- ayusuf
- · Replies 14 ·
What Is the Probability of No Real Roots in a Quadratic Equation?
- yuqiao
- · Replies 1 ·
How Do You Find the Point of Intersection for These Equations?
- darrenc
- · Replies 3 ·
What do ⋃ and ⋂ mean in infinite sequences?
- Lank
- · Replies 2 ·
Vector Equation: Line Parallel 2i-10j-8k Through (5,-1,6)
- lemon
- · Replies 2 ·
Is ab+ac/a equal to b+ac?
- Cornraker
- · Replies 11 ·
Dividing Polynomials With Exponents
- Leptos
- · Replies 1 ·
Solving (-1)vcos θ Identity Problem - Hi Friends!
- nesta
- · Replies 2 ·
Population growth using logarithims
- trials
- · Replies 6 ·
Linear transformations (algebra)
- Idyllic
- · Replies 3 ·
Estimating total holes in a flat plate from spacing ratio
- higha level
- · Replies 6 ·
Parabola General to standard form
- markwjak
- · Replies 1 ·
Prove (1+sin2x)/(cosx+sinx)(cosx-sinx) = cosx
- darrenc
- · Replies 3 ·
How Do You Parameterize a Circle in 3D with a Given Diameter and Plane?
- vintwc
- · Replies 5 ·
Solving x + 2y = 5 and x² + y² = 36
- Gringo123
- · Replies 6 ·
Why is 7 less than or equal to 7 in inequality math?
- Nikolas15
- · Replies 1 ·
Solving the inequality 6 - 4x ≥ 2x - 3
- Gringo123
- · Replies 4 ·
Finding Angles A and B for Triangular Fire Spotting
- morr485
- · Replies 2 ·
Can I Add Sine and Cosine Functions with a Non-Factorable Scalar?
- mutzy188
- · Replies 2 ·
Does ln[ln(x)] = ln(x) * ln(x)
- lilac30750
- · Replies 3 ·
Arithmetic mean of two unknowns in a system of equations
- travism123
- · Replies 5 ·
Solve for x and y: Calculating Equations with Unknown Variables
- rabihtawil
- · Replies 4 ·
Proving sec(2x) - tan(2x) and cos(2x)/(1 + sin(2x)) identities
- Hockeystar
- · Replies 3 ·
Modulus and Congruency Problem
- war485
- · Replies 9 ·
Solve the Briefcase Problem: Cost Price of Briefcase
- 1/2"
- · Replies 2 ·
Area of triangle inside parallelogram
- cjwalle
- · Replies 1 ·
Solving Equation: x² - 3x - 40 = 0
- Gringo123
- · Replies 2 ·
Finding polygon sides with 1:2 ratio and 3:4 interior angle sum ratio
- 1/2"
- · Replies 2 ·
How to factor x⁴+1 more systematically
- flyers
- · Replies 3 ·
Proof of additive property for sine
- jtblizard
- · Replies 4 ·
How do I differentiate e^-2x * y?
- James889
- · Replies 4 ·
How do I rearrange x = (y^3+1)/(y^2+1) to solve for y?
- Toby_Obie
- · Replies 13 ·
How to solve cot x = 2 using a scientific calculator
- Cuisine123
- · Replies 13 ·
Find the zeros of the function algebraically
- PanTh3R
- · Replies 5 ·
Factoring a Polynomial: Finding the Missing Factor in 7X2(X - 2) - (X - 2)
- Ryuk1990
- · Replies 2 ·
Magnitudes, Resultant Force (missing angle)
- jegues
- · Replies 12 ·
Domain and Range of fg(x) for f(x)= e^{2x} + 3 and g(x) = ln(x-1)
- Chewy0087
- · Replies 5 ·
Solving linear systems + gaussian elimination
- dcramps
- · Replies 4 ·
Converting cm4 to m4: What's the Equation?
- stainton1
- · Replies 5 ·
Average number of random guesses to match 5 birthdays
- curiouschris
- · Replies 2 ·
How can this be equal to the unit matrix?
- Reid
- · Replies 3 ·
Show that two lines(in 3D) are parallel, skew or intercept
- paraboloid
- · Replies 3 ·
Splitting an Asteroid: Calculating Alterations in Course with Explosive Charge
- TheTourist
- · Replies 2 ·
Finding percentiles and standard deviation from a normal distribution
- BrownianMan
- · Replies 6 ·
Magnitude and Component Question
- jegues
- · Replies 14 ·
Why does tan(θ) = tan(θ + 180°) for negative angles?
- Jerbearrrrrr
- · Replies 2 ·
Solving Geometry Problem: x=27, Is y Solvable?
- Bohrok
- · Replies 2 ·