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.
Trig and Unit Circles: Solving cos pi(t) + sin pi(t) = 0 for pi(t)
  • teng125
  • · Replies 6 ·
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Understanding Two-Variable Graphs: A Brief Overview
  • Raza
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8
Solving Trinomial Factoring Problems: Tips and Tricks"
  • Hollysmoke
  • · Replies 25 ·
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25
Complex Numbers: Solving Equations with z and zeta?
  • lektor
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2
How to Factor Polynomials with Three Terms?
  • Hollysmoke
  • · Replies 8 ·
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8
Question about one-to-one and onto with functions
  • kingerd
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3
Triangle inequality, parallelogram equality
  • asdf1
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4
What is the Nature of i to the Power of i? Understanding Imaginary Numbers
  • Reshma
  • · Replies 13 ·
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Sum of 2^N Sequence from 1-50: Solving Sigma Notation Problem
  • reliquator
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2
Solving Logarithms: Find Where You're Going Wrong
  • answerseeker
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3
How to Solve Simultaneous Equations with Logarithms
  • discombobulated
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5
[pre algebra help] simplification
  • vincentm
  • · Replies 10 ·
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10
Optimizing Simultaneous Equations for Experimental Data Analysis
  • Just some guy
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3
Sequence based on sequential square root function
  • cscott
  • · Replies 9 ·
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9
Solving Quadratic Problem: How Far Does Cricket Ball Travel?
  • aricho
  • · Replies 4 ·
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4
Electromagnetic signals questions
  • dervast
  • · Replies 5 ·
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5
Proving: (sec^2-6*tan+7)/sec^2-5 = (tan-4)/tan+2
  • duffman868
  • · Replies 14 ·
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14
Solving Calc Questions Before Uni: Integrals & Surds
  • lektor
  • · Replies 10 ·
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10
Write fractional answers as mixed numbers
  • Cop
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2
Geometry and Discrete, prove this?
  • Hadjiev
  • · Replies 6 ·
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6
Proving the Relationship between Delta and Theta in an Isosceles Triangle
  • kahless2005
  • · Replies 4 ·
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4
How Does Wind Affect Airplane Velocity and Travel Time?
  • Hollysmoke
  • · Replies 2 ·
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Quadratic equation applying to graphs
  • dilan
  • · Replies 8 ·
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8
Finding Polynomial Equations from Table of Values
  • F.B
  • · Replies 3 ·
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3
Solve a Geometric Sequence Problem | Sum of 15 & 60 | Algebraic Method
  • Numbnut247
  • · Replies 3 ·
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3
Uncovering the History of the Hyperbola: A Student's Quest for Answers
  • PPonte
  • · Replies 7 ·
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7
Bit of a problem with polar coordinates.
  • kryptos
  • · Replies 4 ·
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4
Obtuse Angle Trig Question: Finding the Value of Cosine A
  • soggybread
  • · Replies 13 ·
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13
Probability of Boys and Girls in a Randomly Lined Up Group: Permutation Question
  • chocok
  • · Replies 4 ·
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4
Efficiently Solving Linear Programming Problems: A Better Approach
  • PPonte
  • · Replies 9 ·
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9
How can I identify patterns in math sequences?
  • runicle
  • · Replies 6 ·
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6
Calculating Time and Distance: Solving for When Two Objects Will Meet
  • drcathyc
  • · Replies 15 ·
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15
Procrastinater needs help withv Law of Cosines
  • Paindealer
  • · Replies 4 ·
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4
Sum of nth Roots of 1: Solving for k = 1 to n-1
  • Benny
  • · Replies 5 ·
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5
Deduce the locus of points of the following equation
  • Benny
  • · Replies 6 ·
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6
Can someone help me simplify radical numbers in geometry?
  • Lou1024
  • · Replies 4 ·
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4
Finding the Average: Solving Basic Pre-Algebra Problems
  • vincentm
  • · Replies 4 ·
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4
Quick Math Help: Solving (m^3)(n^-3)^-1 / m^-5n - Is My Solution Correct?
  • runicle
  • · Replies 23 ·
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23
Proving Existence of 2-2 Block in 9-9 Board with 46 Random Red Squares
  • vaishakh
  • · Replies 6 ·
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6
Understanding Equivalence Relations in Math: Examples and Explanation
  • kingerd
  • · Replies 14 ·
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14
Is Vertical Compression Correctly Applied in This Function Transformation?
  • dragon513
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Solving the Ladybug's Clock Puzzle: Unraveling the Mystery
  • kuahji
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2
Finding the Perfect Value of k for a Square Trinomial
  • soggybread
  • · Replies 4 ·
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4
Equation Troubleshooting: 2r^3 + 6r^2 = 20r
  • ramstin
  • · Replies 10 ·
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10
Equation for Sinusoidal Function for Mass Above Table Top
  • lomantak
  • · Replies 2 ·
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2
Calculate the speed with which the ball hits the ground
  • discombobulated
  • · Replies 3 ·
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3
Solve Trig Identity Problem: Find all values for cos2x=cosx
  • yeyspaz
  • · Replies 1 ·
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Determine if (x3/11)+(x2/8) & 4x-22x+35x are Polynomials
  • gabby989062
  • · Replies 2 ·
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Need to learn about quadratic equations
  • dilan
  • · Replies 6 ·
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6
Can You Derive These Combinatorics Formulas for Fun?
  • hellraiser
  • · Replies 7 ·
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7
If the interest rate is 15.5%, how much interest will she pay per year?
  • Stealthdoze
  • · Replies 1 ·
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Proving the Limit of a Sequence Does Not Exist
  • VietDao29
  • · Replies 11 ·
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11
Maximum Volume of Folded Box: Proving and Solving Using Differentiation
  • Mmx
  • · Replies 2 ·
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What are the intervals for which the derivative of f(x) is positive or negative?
  • QueenFisher
  • · Replies 5 ·
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Solve Herstein's Abstract Algebra Problem: Can u = 4n+3 be Written as a^2 + b^2?
  • JasonRox
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Solving a Trigonometric Equation: Tips and Tricks for Beginners
  • Psi-String
  • · Replies 9 ·
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9
Basic Electromagnetics Help: Vector Points & Triangle Medians Explained
  • xairylle
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4
Integrating Sin^2[x] from 0 to t: Solve with Identity
  • zee_22
  • · Replies 9 ·
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9
What is the imaginary part of each expression?
  • UrbanXrisis
  • · Replies 4 ·
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4
Understanding Modulus Equations and Their Applications: A Clarification Guide
  • ElDavidas
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2
How do you solve a system of equations with two variables?
  • Paindealer
  • · Replies 2 ·
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Simplify the expression assume all variables are positive?
  • chris4434
  • · Replies 2 ·
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2
Calculating Distance from Point to Line: A Scientific Approach
  • UrbanXrisis
  • · Replies 3 ·
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3
How to determine the roots of a quadratic equation
  • powp
  • · Replies 3 ·
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3
Proving Midpoint of Triangle Sides is Parallel and 1/2 Length
  • asdf1
  • · Replies 3 ·
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3
Learning Rounding & Estimation with Front End Math
  • Gamma
  • · Replies 3 ·
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Find a vector parallel to two planes
  • UrbanXrisis
  • · Replies 3 ·
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3
Solve ln (3+x)=7: Get x=1093.63
  • jacy
  • · Replies 3 ·
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3
What is the probability A speaks before B and B before C?
  • gaganpreetsingh
  • · Replies 5 ·
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5
Having problems with polynomial
  • kingerd
  • · Replies 11 ·
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11
Proving Equivalence of y is Rational, y/3 is Rational, 2y+5 is Rational
  • PowerStrike
  • · Replies 4 ·
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How to Calculate the Probability of 13 Out of 408 Guessing a Birthday Correctly?
  • Arbu
  • · Replies 4 ·
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4
Find Inverse Function & Domain of f(x)= 1/(1+x)
  • jacy
  • · Replies 4 ·
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4
Math Rounding Help: Find the Nearest Thousandths and Tenth
  • Gamma
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2
Find x in x^3+x^2-x-1=0 Equation
  • superelf83
  • · Replies 2 ·
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2
1st year stats, empirical rule- range of values
  • m0286
  • · Replies 3 ·
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3
Equations and Tangents for Curve C at Point P
  • discombobulated
  • · Replies 5 ·
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5
Taylor Series for ln(1-x): Get Help Now
  • teng125
  • · Replies 3 ·
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3
Integrating Problem: Solve Questions Using Formula for \int [f(x)]^nf(x)
  • ngkamsengpeter
  • · Replies 2 ·
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2
Finding Power Series Representation for arctan(x): Help Needed!
  • teng125
  • · Replies 5 ·
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5
Sketching a Unit Circle: Finding tanx ≤ (-50)
  • UrbanXrisis
  • · Replies 9 ·
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9
Factoring e^x in a Complex Equation: Tips and Tricks
  • cscott
  • · Replies 2 ·
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2
Solving x^(2/3)=4: Logarithms or What?
  • Mozart
  • · Replies 4 ·
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4
Understand Z-Score Table & Outliers Impact on Mean
  • F.B
  • · Replies 1 ·
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1
Simplifying sin^2 2θ/(1+cos^2 2θ) as a Function of sin θ
  • UrbanXrisis
  • · Replies 3 ·
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3
How Can I Simplify Trigonometric Identities for Tomorrow's Quiz?
  • kevinlikesphysics
  • · Replies 3 ·
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3
How Do You Calculate the Coordinates of a Point Based on Distance and Gradient?
  • Inquisitus
  • · Replies 1 ·
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Understanding Logarithmic Properties: Explained with Examples
  • Rafe
  • · Replies 3 ·
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3
Pre-Calc Help: Free Resources for Success!
  • TMNT
  • · Replies 2 ·
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2
Solve Zero Matrix Problem: Find Matrix D for 2a+b-d = 3x2 Zero Matrix
  • DethRose
  • · Replies 13 ·
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Can Points M and N Trisect a Parallelogram's Diagonal and Sides?
  • Van Allen
  • · Replies 2 ·
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Find the remainder of a polynomial
  • discombobulated
  • · Replies 5 ·
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5
Solving Vector & Matrix Multiplication: Sketching in XY Plane
  • DethRose
  • · Replies 1 ·
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How Do You Solve a Linear Algebra Slope Problem?
  • DethRose
  • · Replies 2 ·
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Solving Parabolas & Lines Through (-1,3) and (2,12)
  • DethRose
  • · Replies 4 ·
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Geometric/Arithmetic Sequences.
  • forevergone
  • · Replies 12 ·
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12
Can You Help Me Compute These Limits as X Approaches Infinity?
  • MathematicalPhysicist
  • · Replies 3 ·
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3
Proven: n^3 + 2n is Divisible by 3 for Any Natural Number n
  • teng125
  • · Replies 7 ·
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Algebra Help for Desperate Junior: Solve Equations with Points and Slopes
  • brandon28
  • · Replies 5 ·
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5
Integrate (1+x+x^2) / x(1+x^2) for x. Partial dractions?
  • teng125
  • · Replies 9 ·
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9