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.
Effective Techniques for Studying Algebra II/Trig - Tips and Suggestions
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(algebra) Proving subspaces- functions
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Quaternion Rotations: Show R2∘R1 Is a Rotation
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Show that for every quaternion z we have
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Proving Circle-Parabola Intersection: a>b>1 | x2 + y2 = 1, y = ax2 - b
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Cos x vs Cos-1: What's the Difference?
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Triangle inscribed within a circle
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Cross product ,why doesnt this work
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Perpendicular bisector question and general checking
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Solving Algebraic Relations of Reciprocal Lattice Vectors
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Evaluating ln(x + sqrt[1+x2]) - sin(x) at x=.001
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Stats: Multiplication Rule & Counting Rule Confusion
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Why Is My Integration Approach Not Working?
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Can This Trigonometric Identity Be Verified?
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Verifying Identity: tan^2(x/2)=(sec x-1)/(sec x+1)
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Help with cumulative distributions
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What is the Image of a Plane Under a Linear Transformation?
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Permutations and transpositions contradiction
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Circle Geom: Show Line Tangent & Find Point of Contact
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Combinatorics and alternating series
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Cumulative distribution function question
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Stats: Help With Multiplication Rule
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How to prove the law of cosines for all types of triangles?
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Probability question, Very hard
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For what value of x does (1/x) + (1/(1-x)) > 0
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4
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Solving an Impossible Problem - Find Probability of Breakdown
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Verifying Trigonometric Identities
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How do you convert from one line equation to another?
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How to Solve Rate of Return Analysis Problems
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Infinite number of perpendicular vectors?
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Introductory Level Calculus Question
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Prove that ME=MC in a Circle Geometry ABCD
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Summing 4-Digit Numbers with 1,2,3,4
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What values of x satisfy the inequality x + 3^x < 4?
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Gemotry of circle and right angle
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How to find all solutions for x in the interval [0, 2pi) for 2cos(3x) - 1 = 0?
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Deriving Formula for Radius of Conical Section at Height h
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11
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Finding Points in the Third Quadrant Using the Distance Formula
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Deceptively Simple Integer Problem
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Problems with permutations and transpositions
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Cos(x)+sin(x) = 0, Find all values?
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How can I reduce this expression to e^{mx}?
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Simplifying Fractions: Tips and Techniques for Combining Fractions
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* Easy Linear Question. Slope and y intercept. Thanks
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Prove x^3 - y^3 = (x - y)(x^2 +xy + y^2)
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Find all value of x where 5 - x^2 < 8
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3
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Solving Geochemistry Homework: Log([Na+]/[H+])
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Proving Determinant(AB)=det(A)det(B)
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4
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Solutions of Homogeneous System
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Trigonometry Proof: Proving cos C in Triangle ABC
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Ordered Pair Solutions for a2 + 2ab + b2 = a + 4b | Non-Negative Integers
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7
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Efficient Boolean Minimization Techniques: Simplifying Y = \bar{X}_1+\bar{X}_0
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Solving a Degree/Radian Function: f(t) = 42cos(2t + 93°)
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Prove that this is an ideal of a commutative ring
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A probability question about expected value
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Solve 2x2 Matrix in 30 Mins: An Attempt
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Proving AM GM Inequality & Solving for Integers | Homework Help
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Trig solve for x [ Attempt Included ]
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How Do You Find Tangent Points on a Unit Circle from an External Point?
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How Do You Solve Complex Fraction Equations?
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Solve Slope & Y-Intercept for Cliff Height & Time to Top
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How Many Unique 4-Letter Codes Can Be Created from Six Different Letters?
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* Need help with Finding the point of Intersection - Thanks
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Geometry Proofs Help - Get Ready For Monday Exam!
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Probability: Given the Mean and Standard deviation
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Understanding Rational Inequalities: Why Can't We Multiply by the Denominator?
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Solving for Probability using Bayes Theorem with 5 Boxes and Black Balls
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Calculating Mean, Median or Mode for Ace-Inhibitor Patients
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Proof of logarithmic properties.
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Inequalities (trig) + Attempted
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Trig #3 (Part solutions included)
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What Is the Probability That Only One Household Speaks Spanish?
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Solving Orthogonal Circles Problem
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Easy probability (venn diagrams/conditional pr)
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Statistics probability help needed (permutation?)
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Finding the a circle's tangent line which intersects a given point
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Finding the Cross Product in R2: How is it Different from R3?
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Proving the Centroid Theorem in Euclidean Geometry using Vector Techniques
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Can You Prove This Infinite Series Inequality?
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Help with discrete random variables
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Help with my 2 easy but hard probability questions
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Maximizing Area of Norman Window
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Determining angles and the 6 trig functions? D:
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Area of a non-right angled triangle with information missing
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Fundamental Principle of Counting Problem
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Calculating Surface Area to Volume Ratio for Emulsified Droplets
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Converting 24min to Hours: True or False?
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Are Events A and B Independent Based on Given Probabilities?
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Proof: Coordinate Rotation Around (0,0)
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Find the equation of the circle
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Finding the Centre of a Circle Passing Through Given Points (1,-2) and (4,-3)
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Help and explain to me how to solve it ?(new question )
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Solve Econ Math Problem: Price & Quantity of Apples
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Need help on setting up an equation of population
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Discover the Derivation of Closed Form Summation | Step-by-Step Explanation
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Linear Equations dealing with motion
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Water Pressure & World Rotation: An Unanswered Query
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Find the mean and variance of this set of 40 numbers
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Get Quick Help with Factoring Homework - (x-1)y^2 + (1-x^2) Simplified
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Random Walk - Falling into a pool
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