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.
Having trouble verifying a trig identity.
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How can I factor a polynomial with 4 unlike terms?
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Verifying Lines are Perpendicular
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Counting Techniques Question: Drawing 5 specific cards out of a deck
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Solving the inequalitites in term of x, applying rules
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Finding the equation of the intersection
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Table of value for y=2-3(5^x+4), plus its transformation from y=5^x.
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Find D in A: Transposition Help
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Solve a+b+c=0 given a+(1/b)=b+(1/c)=c+(1/a)
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Simplifying Algebraic Expression: A(Ls)
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Proving Trig Identity: 1-(cos(x)+sin(x))(cos(x)-sin(x))=2sin^2(x)
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What is the equation for the circle formed by the intersection of two spheres?
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Raise complex number using De Moivre - integer only?
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Prove the Int<ABC is a convex set.
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Patterns found in complex numbers
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Simplifying Algebra with power to a half
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A normal distribution problem, AS level, on tyres Need help in the last part.
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Roots of a polynomial and differenciaton
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Proof that if a polynomial has a complex zero it's conjugate is also a zero
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Does the Existence of lim f(x)g(x) Imply the Existence of lim f(x) and lim g(x)?
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Multiplying Radical expression clarification
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Solving Crossed Belt Connecting Pulleys & Saw Arbor Revs/Min
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Setting area = perimeter of rectangle, does it have any meaning?
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Show that the primes of the form 4n-1 and 4n +1 are infinite
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So I am having some trouble solving these equations
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Help With Partial Fraction Decomposition
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Does this set of polynomials form a vector space?
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Solving Algebra Problem: Walking on the Earth's Surface
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Sequences and Series Problem. Help Pleeaassee
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Calculating Distance and Speed: Solving a Robert Service Question
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A difficult (for me) 3d shapes problem
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What Are Some Fascinating Plant Facts Related to 45-Degree Angles?
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Question on permutation and combination(girls and boys standing in a line)
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Work and energy problem feedback
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Proof of a corollary of fundamental theorem of algebra
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Optimisation and best use of space
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Isomorphic group needed for cayley table
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How Do You Solve a Complex Polynomial and Trigonometry Problem?
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What is the domain and range of y=-0.7x+1.9 and y=0.7x+1.9?
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Another difficult probability (for me)
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Conversion of a trigonometic function
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But the answer is supposed to be 120.Can you explain why?
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Hard conceptual probability problem
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Solving 4log45 Logarithmic Problem
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What is the Correct Equation for Pn and Qn in Permutation and Combination?
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Solve Inequality Laws for x in Spivak's Calculus
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Surface Area of Hollowed Hemisphere - Basic Geometry
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Creating a Realistic Cat Drawing Using Functions on a Graphing Calculator
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Proof that a polynomial is a factor
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Equations for 3D Cylinders with Varying Parameters
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Finding the minimum of an unknown function by the least amount of tries
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Can You Be Half Someone's Age More Than Once?
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How do you prove this Trig identity?
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Absolute value removed from equation. Why?
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Powers w/Rational Exponents: Evaluate (Review My Work)
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Common perpendicular of two lines
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Find Equation of Elipse with b=3, M(-2SQRT(5),2)
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Find Permutation 4661 of G={1,2,3,4,5,6,7} | Answer Here
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{vectors}find the position vector of this
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Solve for XYZ: Permutation of 21600 - Positive Integral Solutions
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I always hate this - combination / permutation
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Analytic Geometry World Problem
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Irrational power of an irrational number
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Understanding 'e' in the Compound Interest Formula for Students
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Solve for Inverse of f(x)=2x^3+3x+2 | Factor and Simplify
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Arranging a fraction to simplify it
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Integration by completing the square
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3D Vectors Problem - Find Cross Product
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Solving Math Homework with a Parent's Help
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Matrices, Proof and Eigenvalues.
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Simple rearranging of an equation
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The domain of a function in interval notation
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Conditional probability & r balls randomly distributed in n cells
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Explicit form to parametric form
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Combinatorics problem: find a number of 5 digits
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Is P(A-B) = P(A) -P(B)Here p is the probability function
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Optimizing Your Chances: Solving the Monty Hall Variation | Homework Help
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Completing the square 2 variables
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Equation with x,y as exponential functions
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Help with this logarithmic equation
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Discrete uniform distribution prrof
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Sum of Squares of Roots of quadratic equations.
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Terrible conditional probability problems
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Conditional probability problem
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Two coplanar lines and finding the equation
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A problem I should be able to solve (geometry)
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Determining magnitude and direction of vectors
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How can I prove that n/(n+1) = 1-[1/(n+1)]?
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Two coplanar lines and finding the equation
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Understanding Percentage Growth in Price Changes
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How to Calculate Bicycle Wheel Revolutions Per Minute: Step-by-Step Guide
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Solve for T: Step-by-Step Equation Solution Guide | Expert Tips
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Prove if set A is a subspace of R4
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Graph Sketching and Proving Restrictions on a Real Function's Range
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Cramer's Rule and Determinants
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Matrice Multiplication, can someone check my work?
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What is the difference in these two equations?
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Foci and the definition of a hyperbola
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Finding the radius of a circle in a graph
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Quadratic function word problem with given equation.
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