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.
What Determines the Rank and Dimension of a Matrix's Solution Space?
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Probability that event A happens before event B?
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Math problem - solving for a variable
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Find the Value of X in the Curve Equation y = 3x - x^3/2 | Helpful Tips Included
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How Do You Solve a Geometric Progression with Sum and Term Constraints?
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Radius of Intersecting Circles: Arc SPX Length (3/4)*\pi
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Calculating the Average Throw in Backgammon: A Math Problem | Homework Statement
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Proof Inequality: g(x) >= f(x) on S of Real Numbers
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Number of zeros in factorial of a number
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Shifting/expanding a function?
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Story problems for Algebra II/Trig review test
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Calculating Probability of Waiting 2 Seconds for Event A | P(rate x) = 76.9%
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How can I efficiently refresh my knowledge of geometry and algebra?
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Find the Variance of this distribution
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Using a hexagonal key on a square-headed screw
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What is the interval of convergence for the given sequence?
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Equivalence between power sets
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Condition for Parallel Vectors: Determinant Method
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Solving Equation with Negative Exponent ( thank you)
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Equivalence relation on the Cartesian plane
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Rectangle inscribed in Triangle
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Finding the Area of a Parallelogram with Given Sides and Angle
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How can you prove this using only the ring axioms?
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Why Does Assuming x Equals 7 Not Prove the Theorem?
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Solving Simultaneous equations using Matrices
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Help understanding trig ratios
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Arithmetic Progression: Finding the Sum of Terms with Given Conditions
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Differentiate e^(-1/2 x) sqrt(1 + 2x) - troubles
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What is the Probability of Alvin Getting More Heads Than Andy in a Coin Toss?
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Solve Isosceles Triangle in Coordinate System
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Find Formula for m to P Conversion
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Odd or Even Power? Examining f(x)=x^n
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Need help with rocket math problem
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Exponents that have units (how to deal with them)
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How to Predict the Chance of Getting 12 Heads and 13 Tails from 25 Coin Tosses?
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Calculating the Perimeter and Area of a Square MIKE
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Balance of Integer Value: Solving (2^1000) / 7 for Remainder | Homework
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Find Why K is Always Bigger than 1 for e^-t/k * sin2t
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Standard Deviation of test scores
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Absolute Value Inequalities: Solving and Graphing
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-a^2 = (-a)^2, Clarification needed
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Rate of change question (pretty confusing)
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What is the Graph of f(x) = sqrt(a^2 - x^2)?
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Factorize the following expression
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Boolean Algebra: Minimum Sum-Of-Products Expression
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Continuous probability distribution
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What does [x] mean in graph f(x)=[x]?
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Finding the Bases for kernel and range of linear transformation.
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HELP Impulse Response h(n) problem
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Is x +/- 3 the most simplified form for x + 3, x - 3?
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Polar Form of the Equation of a Conic
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Statistics - Probability & z-score
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Trig Equations: Solving for x in Given Ranges
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How to Calculate Expectation and Variance for a Discrete Random Variable?
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Minimizing a vector in a triangle
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Plotting a 3-d surface in spherical co-ordinates
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Inequality proof: sqrt(1+xi^2)-xi < 1, for xi > 0
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Probability of Blue, White, Green Car Orders & Exactly 2 Same Color
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Help Graphing Piece Wise Function Please
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Solve Exponential Equations: e^x, e^-x, ln 6 | Step-by-Step Guide
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The complex exponential function
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Area bounded inside the quarter-circles.
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What is f(x + h) if f(x) = 10-x²?
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Find Limit: Cancellation Homework Statement
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Probability that a chip is operative
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Functions, Domains, And equality
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Ln(t) - t = 2; Solve for 't'?
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Is \sqrt{2} + \sqrt{3} + \sqrt{5} irrational?
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What is the pattern for finding the last two digits of 16 to a power?
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A Function domain/range question
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How to Rationalize the Denominator of a Radical Expression?
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Prove Arctanh & Arccoth: Step-by-Step Guide
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Solve Arctan 2Arctan(1/3) + Arctan(1/7) = π/4: What's Wrong?
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Factoring Quadratic Expressions: Quickly Solve 126x² - 15x - 66
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Probability Problem: Queen of Spades?
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Set Notation Question Very Easy
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Help with Algebra Homework: Range of y = (x^2 - 4)/(x^2 - x - 12)
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How to Prove tan3A + tan2A + tanA Equals tan3Atan2AtanA?
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A simple problem on linear equation in two variables
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Find All Values of k for Equal Roots in x^2-kx+4=0
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Trigonometry problems for NYSE regents
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Solving Logarithmic Equations: 2 Problems
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Calculate angle from sine and cosine
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100 hotel rooms and 100 guests?
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Deleted neighborhoods, missing something about working with inequalities
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Domain and range of a function help
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How Many Unique 7-Digit Numbers Can You Form Under Different Conditions?
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Converting A Polar Equation to Rectangular Form; Equation of a Circle
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Finding the Equilibrium Price and Quantity for a Simple Linear Equation?
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How many hours does it take to fill a 16m x 7m x 7m tank with water?
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Converting A Polar Equation to Rectangular Form
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Modulus functions problem sum.
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Find Coordinates of Point P in Analytic Geometry
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How Do You Solve for m and n to Make mA + nB + C Parallel to the Y-Axis?
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Is the Calculation of Arithmetic Means Between Two Numbers Always Intuitive?
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Parametric Equations Word Problem
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Calculating Shade Projection for Beach Sun Shade - Math Homework Solution
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Finding Points of Intersection by Substitution
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Proving Inequality: a/b < (a+1)/(b+1) for b > a | Solution and Attempt
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Spanning Sets in R3: Determine Vectors
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