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.
Game of battleship logic puzzle
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Find inverse matrix using determinants and adjoints
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How to 1/4x + 2/9 - 14 = 100
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Where Does cos(x) Equal acos(x)?
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Number theory quick calculation problem
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What's wrong with my algebraic expression?
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How to Solve an Exponential Equation with a Mistake in the Second Step?
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What Is the Average Reading Rate for Beth's Day?
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Prove 3x3 Skew symmetric matrix determinant is equal to zero
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What is 2nd Sine? Solving a Triangle with 13.5 Hypotenuse
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Find probability of certain event, total probability theorem
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A tricky remainder theorem problem
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What do you think of this problem ?
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Show that this equation is inverse square
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Can the solution for (1/3)^x = log<a>x be found without using a slider?
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Solve Trig Problem: Horizontal Dist. Between Truck & Dock to Nearest Tenth
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Proving Equality of 1 + 1/1+1/... & √1+√1+√...
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Word problem about distance, rate and time
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A problem about logarithmic inequality
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Algebra word problem -- Paying down a debt....
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Finding the length of the circuit.
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Solve ACT Word Problem: Find Value of x
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Find cscθ Given sec θ = -2, sin θ >0
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Sum of the angles of a spherical triangle
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Proving 1/3 < log_{34} 5 < 1/2
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Need the derivation/proof of the method
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Show these functions are 2 pi periodic
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Show that the T is a linear transformation
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2nd degree equation difficulty
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The rank of the Sum of two matrices
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About quadrilateral (geometrical problem)
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Age table interpretation problem
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No of ordered pairs satisfying this equation
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Proving a Trigonometric Identity Involving Inverse Functions
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Solve Word Problem Algebra: 3x+5y=11/3(x+y)
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Inverse tangents in cyclic order
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Probability math confusion sample space (I think)
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How Do I Calculate the Angle Between Vectors in Vector Projection Problems?
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Periodic Functions Homework: Daylight Hours
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No idea -- algebraic manipulation involving powers
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Monic polynomial of the lowest possible degree
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System of Equations Homework: 4 Unknowns, 5 Equations
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Converting one inverse trig function to another
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What Are the Values of r and s in the Polynomial q(z) with Given Roots?
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Help with finding Zeros of a polynomial with 1+i as a zero
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Why Does 40x Appear in the Quadratic Equation Transformation?
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Combinatorics: tennis game with 8 people
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Trigonometry: Solving cos(2π/7)+cos(4π/7)+cos(6π/7) Problem
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Proofing that All Arcs of a Circle = 360 Degrees
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Complex numbers in the form a+bi
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Linear Algebra Problem: Constraints for Filling a Dashed Triangle
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How to properly rearrange formula
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Limit problem ( can't find the mistake)
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Exponential growth and compound interest
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Arithmetic sequence involving years
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Algebra word problem difficulty defining function
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Solution Set for cot-1(x)2 -(5 cot-1(x)) +6 >0?
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Proving theorem for polynomials
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Exponential growth and compound interest
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Application of Quadratic Functions that involve finding equation
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Word problem equation linear growth and slope
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Algebra age riddle word problem
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Sin[θ+(pi/6)] Multiple values?
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What is the solution to the inverse trigonometry problem with a given range?
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Solving a quadratic in two variables
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Relationship between solution and corresponding graph
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Solving first and second degree equations
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Algebra difficulty defining equation
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How Do You Solve for a Using the Law of Sines?
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Graphing Equations Homework: Identifying Graph to Formula
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What is the limit of lnx as x approaches a negative number?
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Use discriminant for linear and quad. function.
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Multiplying different bases with different exponents
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Don't understand how eqn 2 was reached from eqn 1.
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Function: expressing functions in vertex form.
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Functions:using discriminant to find number of x-intercepts
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What is the remainder when polynomial f(x) is divided by x^3-x?
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Help w/ understanding concept of distributing a neg. sign
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Angular distance question - how to solve
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Periodic Functions: Find Fundamental Period & Graph Solution
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Calculating Winning Probability for a Chess Master in a Competition
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Proving the Bijectivity of a Function: σ : Z_11 → Z_11 | Homework Solution
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Proving R = I_X: Equivalence Relation and Function Homework Solution
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Normal Distribution Question. Need help
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Algebra problem (x+(1/x) problem)
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Why is this triangle not right? (sine -1 is bigger than 1)
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How many ping pong balls would fit into the Great Pyramid?
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Solve Trigonometry Problem: Cos^3x+1/Cos^3x=0
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Solve Limit Problem: Find a+b for ax+b=25
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Modulus and Argument of Cosh(iπ)?
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Solving a Puzzling Equation: -e-x + e+x/2i
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Solving a Trigonometric Limit Problem
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Question related to nine point centre
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Shading in Argand diagrams involving inequalities
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Solving an equation with logarithms
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Mathematical proof (Drawing a help line)
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Combinatorics Problem: Arranging 38 Pens with Different Colors
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Proving Linear Independence and Spanning in Vector Spaces
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Proof: Linear Dependence of Vectors in a Vector Space
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Solving e^z=w in Polar Form | Abs(right hand side)=2 without ln 2 in Solution
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