Precalculus Mathematics Homework Help Forum

Unitary Matrices: Properties & Homework Solutions

Proof of \sqrt{ab} = \sqrt{a}\sqrt{b} for all ab>0

Prove the following inequality

Is the Set of Rational Numbers with the Relative Topology Not Locally Compact?

Simplifying Factorials: Rules and Examples

Necessary and sufficient condition for inequality

Shifting a graph to a new equation

Solve Equation: 3x - 7/4 - (4x + 5)/2 = 3/4

What is the proof for minimizing the sum of distances on a sliced rectangle?

How to solve simple Percentages problem?

Absolute Value Question: Solving |2x - 1| = x^2 with Step-by-Step Guide

Finding Percent Error in S.R. Problem: Simplifying Expression with 6.7x10^(-16)

Rationalizing Denominators: Understanding the Process

Bridge Probabilities exactly 1 person with 1 suit?

Solving Logarithmic Equations with Given Logs

How to Find the Percentage of Area Outside a Square Inscribed in a Semicircle?

Solving for x in a Simplified Problem: (14-2x)/π = (196+4x)/(π2)

Can You Calculate Matrix Inverses with Nilpotent Matrices?

Solving the Function y=sin2x +cos3x

Simplify this algebraic expression

What is the Correct Probability of a Student Becoming Chairperson?

Sum/differences of two normal variables

Simplifying sin(α+45): A Challenge!

Simplify this algebraic expression

Solve 1729 as Sum of 2 Cubes: Natural Numbers

Find Equations of Tangents to C1 and C2 | Area Enclosed | Derivatives

Solving for x in a Quadratic Exponential Equation

Further Maths (Matrices and solving simultaneous equations)

Linear Algebra: Denoting an interval

Partial fractions nth degree factors in the denominator

Complex numbers problem - lots of Algebra

Centripetal Force: Find Min Radius of Airplane Path

Prove Max/Min of f(x) -> Sqrt of f(x) at x0

Rearranging the Projectile Motion Base Quadratic Formula for Initial Velocity

Graph & Solve Inequality: y = 2|x - 1| - 3|x + 1| + 3x + 1

Creating a Quadratic Equation with Inverted Roots

Finding basis for kernal of linear map

How to rewrite 2D Gaussian eqn in terms of x?

A basic function question - with a strange absolute value placement

Complex equation (for a 9th grader :>)

Learn How to Manipulate a Formula to Find 1/(sqr(w^2+4)) in Simple Steps

Expanding and Substituting: Solving (1-3x)^{\frac{1}{3}}

What is the equation for sine alpha when alpha is greater than 90 degrees?

Is Squaring the Best Method to Solve Absolute Value Quadratic Equations?

Spivak's Calculus Section I Trouble

Quadratic equation with roots of α and β

Fitting a Function given 3 points

Given a sequence 1,2,2,3,3,3,4,4,4,4,5,5,5,5,5

Find Range of k for Two Positive Roots of Equation

Simplifying Piecewise Functions: fg(x) and gf(x) Calculations

Can You Extend a Function Defined on Atomic Sentences to Complex Sentences?

What is a proper subsentence of a given sentence and can you provide an example?

Probability when seleting balls from an urn

Partial Fraction Help: Solving Equations with 1/(s(1+RCs))

Proving Induction: Solving Equations 1 and 2 with Expert Tips

How can I prove the trig identity sinxcosxsec^2x = tanx?

What is the probability that both products are out of stock?

How Do I Solve Polynomial Division and Trigonometric Identities?

Solve Exponent Question: PV^{\frac{2+f}{f}}

Determine if sqrt(-3) is an element in a splitting field

Modeling a Swing with parametric functions

Finding Probability in Genetics Experiment: Vermillion Eyes or Miniature Wings?

Graph Theory: a tree and it's complement proof

• Poll

How Do You Solve Quadratic Equations and Predict Zeroes Without a Calculator?

Find length of two line segments in parallelogram.

Solve Time for Tank Filling with 2 Pipes

Solving Equations Using the Unit Circle

Injectivity and Surjectivity of Functions with Lists and Sets

Is This Mathematical Induction Proof Correct for Factorials and Exponents?

Truth table and proving a tautology

Short Probability (permutation) question

Probability of At Least 1 Cherry Yogurt: 7/55

Does Bisecting Angle A in a 3-4-5 Triangle Divide It into Two Equal Areas?

Circular cone volume through integration

Finding out the amount of glass through integration

Find Dom(f) and Range(f) of g(x)=(In(x-5)/In(x-5))+sqrt(10-x)

Solving f(x) Inverse: x^2-4x, x∈R, |x|≤1

Divide Polar Form: Solve 5∠2.214/√5∠-1.107

Solving an Equation: Expert Tips and Tricks for Beginners

How Can We Use Calculus to Predict Population Growth?

Help with My complex functions

Geometry problem,very intersting, please check

Shortest distance between two lines

Solve cos(θ + π/2) if sin θ = 3/7 Exactly

What is the height of the smaller cylinder in this scale factor?

Finding the equation to a non-linear set of points

Summation with Binomial Expansion

Cosh2x+2sinh^2x, not sure if this goes in this forum

By using binomial distribution if two coin are tossed 4 times ,find?

Two coin are tossed 4 times ,find?

Induction proof of an inequality

Proving M is a Subgroup of G: Tips & Help

Relating probability distributions huh?

Probability. Why can't I add them?

What is the Equivalence Class for the given Equivalence Relation?

How Do You Simplify Complex Fractions?

Can you explain the solution for 5x3 + 2x2 + x = 20 between x = 1.4 and x = 1.5?

Probability problem without replacement

Factoring Quadratics with x2 > 1

What is the angular coefficient of the tangent line to two circumferences?