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.
How to find the f(x) (least square method)
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How to Graph a Periodic Function with a Period of 2π?
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I know the very basic principles of logs
2
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Straight Line Graphs -Plotting, Gradient, Intercept & Finding Equation
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Quadratic Equation (Check my Workings ?)
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Please can you help me transpose this problem?
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Word problem, interested in the reasoning process
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Solving for t in x(t): 0.94 Answers Discrepancy
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Particle Distance/Velocity - Natural Logarithms
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We have that for a crystal the lattice parameters
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Solving trig equations using Addition formula
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Equation of a circle / polar coordinates
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Power of set of choice functions
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How do I solve simultaneous equations with two variables?
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Solving trigomonetry equation for x
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Solving Simple Index Questions with Brackets and Fractions
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Expansion with Pascal Triangle
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Rearranging Equation: C(x,t) for t
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Understanding Even Functions and the Role of Exponential Functions
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Solve for x: 0.5y = e^-x | Intermediate Steps Explained
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Is the Function f(x) = -sin(-x) Invertible on the Interval -π to π?
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Solving Trigonometric Identities (A bit Hard)
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How to find the maximum area of a triangle?
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Why some repeating decimals have nonrepeating part? I think its blasphemy Help
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How do I simplify an expression with multiple terms and arctan?
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Calculating tan(arcsin(1/7)) using trigonometric equations
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Roots of Unity - is this correct?
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Graphing Sin Functions: Calculator Tips and Tricks for y=sin(c(x-d))
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Linear Algebra: Prove rank(A) <= rank(exp(A))
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Proving Angle WTU is Twice as Large as WOX with Circle Theorem
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Why Does e Raised to the Natural Log of 2 Equal 2?
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Inverse Function - algebra problem
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Finding intersection between exponential and inverse function
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Polynomial-related question (why does this work algebraically?)
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Trigonometric Identities: How to Find Cos x and Tan 2 x given Sin x = 2/√13
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Reversing digits, then adding and finding divisible integers of result.
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Equation of the sinusoidal function that represents height above the ground
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Inequality with Circle and Triangle in Euclidean Geometry
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Probability Question (theoretical aid)
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Domain of g(t): All Real Numbers
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Estimating Total Sales at a Home Party
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Linear Algebra Applications: Cryptography
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Want to check the answer to this (Pythagoras)
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Write as a simple fraction in lowest terms
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Definition of a Restriction in Linear Algebra
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Find all solutions of inverse sine (-1/2)
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How to Solve cos2x - sinx = 1/2 for [0,2pi)?
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Radicals and exponents question
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Proving Quadrilateral PQRS is a Parallelogram
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Proving the Property of Logarithms: Examples with Exponents
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What Is the Probability Ely Eats 16 Chocolates Without Picking a Rum One?
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How can the numerator of a rational expression with cube roots be simplified?
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Sum of Products of All Pairs of Natural Numbers
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How Do You Express the Number of Security PINs in Logarithmic Form?
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Game show there are 10 contestants of which 6 are female.
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Geometric sequences; solving algebraically for exponents
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Is ((2x)3^x)/(x+1) < 0 Solvable for x?
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Can a Set of Four Vectors in ℝ³ Span the Space?
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Drawing with trigonometric function
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Solving for a in Binomial Expansion: Find Possible Values
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Matrix representation for transformation
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Finding the inverse of this function explicitly
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Summing Series (Sigma Notation)
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First term of an infinite geometric sequence
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Solving Basic Equations: Tips & Tricks
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Solving sin(x)=x: Need Help with 9th Grade Qwiggle
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Proportion of People for Door Frame Too Low: 19/20*0.99931+1/20*0.9409
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Kinematic Equations Rearrangment
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Two linear algebra questions - Vector geometry
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Probability of Heads in Coin Flips: 5-Flip Experiment
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What is the square of a column vector?
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Solving "sin 2x = sin 2y" with Double Angle Identity
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Estimate how many books profit over 200k$?
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Discrete Math: Self-referential formula
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Why Does This Math Problem Work with Decimals?
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I forgot how to factor cubic equations?
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How do I solve exponential equations?
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How Do You Solve Problems with Equations and Vectors?
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Distance to the corner of a rectangle
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Basic questions of complex number's geometry?
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How can an inequality be manipulated to show a specific range of values?
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Equation of a line through a point and another line at 90 degrees.
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Solving trig function (possible error in solutions)
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Can e^x+x=5 be solved without graphing using algebraic methods?
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Efficient Method for Finding Constants in Trig Function Power Problem
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Solving Trigonometric Equations
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Finding and Fixing Mistakes in Simplifying Algebraic Expressions
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Find limit of sin(x).sin^-1(x)/x^2 as x approaches 0
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Expand (x-μi)ᵀΣ⁻¹(x-μi) Homework
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Expected values probability help
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What is the probability of winning with three descending numbers?
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Expected values probability help
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Solving for Unknown Variables (r0q)(1) and (q0r)(1) in a Complex Equation
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Use cross-product to find vector in R^4 that is orthogonal
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Evaluate scalar triple products
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Solving Trigonometric Equations
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Let A and B be relations on the set C = {1,2,3,4,5,6}
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Find the limit of x^2(√(x^4+5)-x^2) as x->∞
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Trigonometry Question (Trigonometric Functions)
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Solving linear and quadratic Trig Equations
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