Precalculus Mathematics Homework Help Forum

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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.
Linear Algebra - Change of basis question
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Deriving the Tridimensional Equation of a Straight Line Using Vector Algebra
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Find Equation of Circle Tangent to Line, X-Axis: (4,0)
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Writing cotangent in terms of cosinehow?
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Vector Calc Homework: Find Unit Vector in Direction of ⃗rP & P to Q
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Factoring something with absolute value
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Factoring something with cube power?
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Find the First Term of a Sequence: Q1, Second Term = 6, Fifteenth Term = 25
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Find Intersection of -sqrt(x) & x-6 Functions
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Solve Cos B Homework - Trig & Geometry
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Linear Algebra Question: Finding T Matrix with Respect to A' and B' | Homework
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What is the solution to (x-7)^2=(x+3)^2?
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Increasing Function Homework: Largest Interval
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Tension and Pulley Madness (Load weight)
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Simple probability that I can't get out
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Can More Vectors Than Dimensions Be Linearly Independent?
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Solving an equation and checking solution
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Check Value of Tan(A+B): 7/25, 5/13 - Acute & Obtuse
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Least squares fit to a straight line?
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Uniqueness of integers question
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Linear algebra - change of basis matrix
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Prove p_{1}p_{2}...p_{n}+1 is Not Divisible by Any of These Primes
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Unit Circle: Find x Satisfying sin x > cos x
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This is SO simple, why can't I figure it out?
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Learn the Process of Factorising: Step-by-Step Guide with Examples
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Calculating Determinants to Finding the Correct Answer
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How Can You Prove the Law of Cosines Using Coordinates?
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Trigonometry Question: Solving sin90 + tan45 | Understand the Solution
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Simplifying a logical equivalence statement without a truth table
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Area of Triangle: How to Calculate
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How Does f(x) = 1/sin(x) Satisfy the Given Functional Equation?
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What could be causing the discrepancy in the angle calculation?
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Solve Trig Problem: 0.15kg Mass w/ Wall & Lift @ 65° Angle
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How do I calculate these questions relating to roots of quadratic equation?
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Can x3 be factored into common quadratic factor for P(x) and Q(x)?
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Trigonometry Help: Evaluating sin2y & cos2y
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Solving Tension & Pulley Homework Problem
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Algebra applied to Trigonometry problem
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Have I rearraged this formula correctly?
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Factorising Problem Solutions: 32x^3(2x^2+1)+8x(2x^2+1)^2
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Rewriting an expression using a radical.
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How Are the Trigonometric Identities for Cosine and Sine Related?
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How Do You Handle Exponents Inside a Radical?
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Solving Tensions & Weights Homework Problem
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Solving Math Problem: Express -2^4 + 3^-1
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Calculating QP, QR, and the Angle PQR
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Find Value of a & Point of Intersection for Lines r1 & r2
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How to input equations into posts?
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Greatest Integer Function help
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Proving 2^n > n^2 for n >= 4 by Induction
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What Is the Probability of No Real Roots in a Quadratic Equation?
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How Do You Find the Point of Intersection for These Equations?
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Unfamiliar Notation: \bigcup & \bigcap Explained
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Vector Equation: Line Parallel 2i-10j-8k Through (5,-1,6)
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Is ab+ac/a equal to b+ac? AB+AC/A=B+AC Equality Homework"
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Dividing Polynomials With Exponents
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Solving (-1)vcos θ Identity Problem - Hi Friends!
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Population growth using logarithims
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Linear transformations (algebra)
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Estimating Total Area: Help with Calculating Missing Space on a Flat Plat
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Parabola General to standard form
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Trig Identities Question NEED HELP
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How Do You Parameterize a Circle in 3D with a Given Diameter and Plane?
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Solving Simultaneous Equations: Step-by-Step Guide | x + 2y = 5, x² + y² = 36
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Why is 7 less than or equal to 7 in inequality math?
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Learn How to Solve Inequalities: 6 - 4x ≥ 2x - 3 and x ≤ 1.5
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Finding Angles A and B for Triangular Fire Spotting
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Can I Add Sine and Cosine Functions with a Non-Factorable Scalar?
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Does ln[ln(x)] = ln(x) * ln(x)
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Arithmetic mean of two unknowns in a system of equations
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Solve for x and y: Calculating Equations with Unknown Variables
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Prove Trig Identities: sec(2x) - tan(2x) & cos(2x)/(1 + sin(2x))
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Modulus and Congruency Problem
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Solve the Briefcase Problem: Cost Price of Briefcase
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Area of triangle inside parallelogram
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Solving Equation: x² - 3x - 40 = 0
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Solve Polygon Problem: 1:2 Ratio & 3:4 Sum
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Factoring X4+1: Step-by-Step Guide
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Proof of additive property for sine
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How do I differentiate e^-2x * y?
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Rearranging Equations: Finding y in x = (y^3+1)/(y^2+1)
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How do I solve for x in cotx=2 by using a scientific calculator?
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Find the zeros of the function algebraically
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Factoring a Polynomial: Finding the Missing Factor in 7X2(X - 2) - (X - 2)
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Magnitudes, Resultant Force (missing angle)
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Domain and Range of fg(x) for f(x)= e^{2x} + 3 and g(x) = ln(x-1)
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Solving linear systems + gaussian elimination
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Converting cm4 to m4: What's the Equation?
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Solving the Birthday Problem: Probability & Average Guesses
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How can this be equal to the unit matrix?
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Show that two lines(in 3D) are parallel, skew or intercept
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Splitting an Asteroid: Calculating Alterations in Course with Explosive Charge
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Discover Exam Mark Percentiles & Standard Deviation with Normal Curve
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Magnitude and Component Question
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Understanding the Relationship between Negative Angles and Tangent Function
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Solving Geometry Problem: x=27, Is y Solvable?
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When to use the formula (nCr x nCr)/nCr?
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How Do You Calculate the Probability Density Function for Scheduled Visits?
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Solving Probability Problem: P(Z^3 > 1)
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Algebraic Properties of Matrix Operations
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