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.
Modeling Tidal Changes with Cosine Functions
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Proving Cyclic Quadrilateral: Opposite Angles Sum 180°
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Find 4th Tangent for 2 Circles Coordinate Geometry
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Solving Trigonometry Problem: sin θ / √1-sin^2 θ
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What is the Probability of Choosing a Burger at a Restaurant?
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Can a Grasshopper Reach Infinite Points on a Number Line?
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How to Find the Solution to 3^x = x^2?
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How Do I Solve Sin A(4.625A + 171.87) = 229.16?
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Linear transformation T: R3 -> R2
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Poisson Distribution for Drill Stock Management
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How to use Euclids algorithim to find LCM?
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Trig Help: Solve Y=2sec(3x-pi)
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How to prove a strictly diagonally dominant matrix is convergent
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What is the source of my confusion about inequality?
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Coordinate Geometry: Finding the Locus of a Midpoint on a Curve
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What is the distance of the tangent between two circles
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Please, check my work on Trig Identities
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Collinear Vectors: Quick Questions Answered
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Symmetric of a point relative to a line
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Can't do this question please someone help
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Problem on quadratic polynomial.
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Equations Quadratic in Form ;_;
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Drawing Modulus Graphs: Step-By-Step Guide with Examples
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Basic Algebra Simplifying a complex fraction
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Proof of Symmetry for x^2 + 4y^2 = 1 Curve without Graph Drawing
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Logical solving problems (brainy and tricky)
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X = ((384x/(y+384))*y+384(384x/(y+384)))/384
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Math Stellar numbers IB portfolio
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Exponential grows faster than polynomial
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How Do You Calculate the Number of Microstates in Money Distribution?
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How Do You Prove a Sigma Notation Equality Using Induction?
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Do these 3 systems of equations all all define the same curve?
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Proof of an expression involving absolute value
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Sinusoidal Wave: What is Time Displacement?
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Quick Elementary Combinatorics Question / Verification
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Non linear resistance, logs and graph
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A somewhat simple Probabilty problem
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QUICK QUESTION about matrix (linear algebra)
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Proving the Parallelogram Theorem: Sum of Side Squares = Diagonal Squares
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Absolutely clueless on how to do this Geometry Help
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Proof of an expression involving absolute value
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Factoring a third degree polynomial as part of a limits problem
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Another solving trigomonetry equation for x
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Can you simplify 2e^(ln12/2) and 2e^(ln6/2)?
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Algebra - Is it possible to solve it in terms of r?
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Set of points specified by x^2 + y^2 <= 4x + 4y
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Locus of points question. (I think?)
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How to calculate the interest forumula
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Permutation and combination question.
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What is an indexed family of sets. I need a simple example
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Proof the trig sum and difference identities
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Solving the Mystery: How Long to Complete the Job Alone?
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Diagonalization, eigenvectors, eigenvalues
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How do you Simplify 4^(7/3) - 12^(4/3)? Please Step by Step
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Find the irreducible quadratic factors of
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Stats - Probability of redrawing a ball (draw, replace)
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Using the series expansion of e^KX, evaluate 2^-3.4 accurate to 3 dp?
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Solving for x in |x+3|+|x-1|=5
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What are the domain and range of this relation
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IQ Question on teams and matches
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Stats - find the distribution function of an infinite sample space.
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Nature of roots of quadratic equations
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Is there anything wrong with this algebraically?
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Does Solving x - √2 = 0 Imply x = ±√2?
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Proving LS=RS in Trigonometry?
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Solving sin2x-tan2x=-2(sinx)^2(tan2x) | Proving Identity Step by Step
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LHS = (p+1)^2 + (p+1) = p^2 +2p +1RHS= 2^(p+1) = 2^p *2 = 2(p^2 + p)
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By choosing a suitable value of x, sum the series
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Finding Approximation for X in m^2 $\gg$ $\mu^2$
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Calculating tan2x: cosx=12/13, x=[3pi/2, 2pi]
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Solving for a: A Tricky Trigonometry Problem
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Can You Find the Area of an Irregular Square with Given Side Lengths?
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Converting rectangular to polar
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How can I express A and B as fractions from c = A b/a + Bd?
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What is the area of this parallelogram?
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A set A of n elements has n(n-1)/2 subsets of 2 elements
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What is the Probability of Choosing the Correct Answer?
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Comparing Line Segments in Triangles
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Solving Exercise 5 Algebra II Honors
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Is it possible for x to be negative in the equation arcsin x + arcsin 2x = pi/2?
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Algebra II Honors Homework Help
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Comparing Surface Areas of Two Water Balloons Using a Formula
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Find Value of k for Equation 4√x=2x+k: 1, 2, or 0 Solutions?
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How to Calculate Population Change in the United States?
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What is the Solution to the Logarithmic Discrepancy Equation?
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Help Solve Math Homework Qs -3, -1, 1 & CD 2
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Solve e^(2 x)-e^x-12 = 0 for x
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Are there infinitely many Ulam numbers?
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Find a solution to an equation with 2 variables
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What is the sum of cubes in a series up to 'n' terms?
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What Is the Probability That Three Men Will Take the Same Driving Test?
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Finding the center of an Ellipse?
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Properties of Logarithms, Division and Multiplication
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Uniform Distribution - Solving Qc and Qd for Screen Placement | Math Homework
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Solving Simultaneous Equations Using Logarithms
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The Mystery: Factoring x²-1 into (x+1)(x-1)
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Exponential function with 3 parameters?
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Find EQ of tangent line for y=sin x at x = 6*pi
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[Logarithms]Kepler's third law of planetary motion
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Bounds on zeroes theorem? requires calc proof?
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