Precalculus Mathematics Homework Help Forum

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.

Threads

Factoring x^4 + x^3 + 2x - 4 = 0 (cubic equ)

  • jenettezone
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6

Base of Number System: 121 = 324 Decimal

  • mmekosh
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3

Solving Treg Differentiation Questions with -1 Power

  • Mspike6
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3

Solving for Total Distance on 9th Bounce: Help Needed!

  • Mspike6
  • · Replies 6 ·
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6

Good Ol' Seagulls and Clams - Creating an equation based on data

  • soccergirl14
  • · Replies 1 ·
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1

Question about property of Cross Product

  • zeion
  • · Replies 3 ·
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3
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1

What is the last digit of 1/5200?

  • fawk3s
  • · Replies 4 ·
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4

How Do You Solve f(x-y) - f(x) in Algebra II?

  • DukeGuy123
  • · Replies 9 ·
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9

How to Prove that AB=2BC without using any of the given angles?

  • 1/2"
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2

Trigonometric Identities algebra

  • Mspike6
  • · Replies 13 ·
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13
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4

Messing around with summation operators

  • gcamilo
  • · Replies 2 ·
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2

Probability of a restaurant accomodating everybody

  • duki
  • · Replies 7 ·
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7

Simulataneous linear equations

  • TyErd
  • · Replies 7 ·
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7

Proving x^n - x is Divisible by n for Induction Method

  • grizz45
  • · Replies 1 ·
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1

Stuck on proving that this function\signal is not periodic

  • Roughmar
  • · Replies 2 ·
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2

How Can De Moivre's Formula Help Find the Real Part of z=ii?

  • zenite
  • · Replies 5 ·
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5

Falling object and distance between time intervals

  • Jakedidit
  • · Replies 1 ·
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1

What Determines the Quoted Price of a Bond?

  • sherim
  • · Replies 1 ·
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1
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2

Logarithim question decreasing in value

  • pinnacleprouk
  • · Replies 2 ·
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2

Verifying Identity: Sec(x)Sin2(x) = 1 - cos(x)

  • mcca408
  • · Replies 6 ·
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6
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2

Vertical asymptote of cos graph?

  • latitude
  • · Replies 2 ·
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2

Probabilities of this marketing department information

  • Draggu
  • · Replies 3 ·
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3

How do I combine f(x) and g(x) to find the limit as x approaches 1?

  • fruitbowl
  • · Replies 4 ·
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4

Domain/range of inverse functions

  • sk2nightfire
  • · Replies 1 ·
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1

Sum of power of two exact 2010 different ways

  • Christian1992
  • · Replies 5 ·
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5

How do you find the equation of a rational function?

  • MoreZitiPlease
  • · Replies 7 ·
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7

Resolve Overflow Issue: Log(K) = 127.702 | K = 5.04316 * 10^127

  • r_swayze
  • · Replies 2 ·
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2

Why Does the Quadratic Formula Give Unexpected Graph Results?

  • Firepanda
  • · Replies 1 ·
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1

Find vertex by completing the square-NASTY

  • sakin
  • · Replies 27 ·
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27

How Do These Algebraic Expressions Equate in an ODE Problem?

  • andrew.c
  • · Replies 1 ·
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1

Solving Sin(x) Equation with ln(y), exp(y), and a Constant k

  • Chatt
  • · Replies 2 ·
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2

Determining a sinusodial equation

  • Meeker
  • · Replies 1 ·
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1

Find Z-Scores Needed for Top 16% & 2.5% Graduation Honours

  • 60051
  • · Replies 5 ·
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5

Don't understand how to simplify this limit

  • zeion
  • · Replies 1 ·
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1

What Is the Percentile Rank of a 20-Year-Old Machine?

  • Incog
  • · Replies 2 ·
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2

Arithmetic Sequence Homework: Find x for Consecutive Terms

  • Faiien
  • · Replies 5 ·
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5

Are Negative Multiples of Real Numbers Always Smaller?

  • MorallyObtuse
  • · Replies 11 ·
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11

Proving sin18 = √5-1/4 without Calculator: Double-Angle Formulae Method

  • Radwa Kamal
  • · Replies 1 ·
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1

Solving a Free-Fall Problem with Height & Time

  • lolrelativity
  • · Replies 1 ·
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1

Image of Linear Transformation with Given Vectors

  • doublemint
  • · Replies 3 ·
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3
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4

Some tricky exponentioal equations

  • xortan
  • · Replies 4 ·
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4

Linear tranformations equality

  • sphlanx
  • · Replies 1 ·
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1

Solve Equation Problem 2: Find a+b+c

  • 1/2"
  • · Replies 11 ·
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11

Is This A Correct/Sufficient Proof

  • Sylvester Sly
  • · Replies 5 ·
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5

Solving Equation Problems w/ Componendo & Dividendo

  • 1/2"
  • · Replies 2 ·
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2

Solve Question on Limits of f(x) at x=-2

  • poli275
  • · Replies 7 ·
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7

How do I graph this inequality?

  • babygotjack5
  • · Replies 4 ·
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4

Inequalities: What are the English Terminologies for > and >=?

  • Niles
  • · Replies 3 ·
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3

Troublesome coefficient of variation question

  • th_05
  • · Replies 1 ·
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1

[measure theory] measurable function f and simple function g

  • rahl___
  • · Replies 1 ·
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1

Calculating Component Vectors - Learn How

  • lovemake1
  • · Replies 4 ·
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4

Is mathematical induction a deductive or inductive argument?

  • jeremy22511
  • · Replies 1 ·
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1

2 Trigonometric Problems i'm stuck with. Help

  • Timiop2008
  • · Replies 6 ·
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6

If 4 coins are tossed, find the probabilities

  • rowdy3
  • · Replies 9 ·
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9
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7

Recursive Projectile To Explicit Formula

  • TheMaster...
  • · Replies 2 ·
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2

Express as the product of four factors

  • MorallyObtuse
  • · Replies 12 ·
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12

How to Show That the Mapping from Complex Numbers to a Matrix is Bijective

  • Ubernisation
  • · Replies 2 ·
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2

Newton's law of cooling and thermometer

  • chrisdk
  • · Replies 4 ·
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4
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2

Limit of Function Homework: Solving Challenging Examples | Let Our Experts Help

  • WhatIsTheLim
  • · Replies 11 ·
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11

Nth Order Derivative of f(x): Sin^4(x)+Cos^4(x) & x^n/(1-x)

  • shrody
  • · Replies 3 ·
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3

Sketch and Analyze Range of f(x) = 2sin(x)

  • ibysaiyan
  • · Replies 2 ·
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2

A little problem about mathmatical logic

  • jeremy22511
  • · Replies 3 ·
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3

What Values of K Make the Intersection of Two Graphs Positive?

  • TyErd
  • · Replies 31 ·
2
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31

Compare 1001^(1/1001) and 1002^(1/1002) - Which is Larger?

  • lax1113
  • · Replies 3 ·
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3

Solve "Circles and Sectors: 3θ=2(π−sinθ)

  • look416
  • · Replies 1 ·
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1

Help with Finite Math: Max z with Slack/Surplus Vars

  • mike43414
  • · Replies 3 ·
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3

[Probability] Seating arrangement & Selection

  • CountNumberla
  • · Replies 9 ·
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9

Solving Simulataneous equations

  • smss_engineer
  • · Replies 1 ·
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1

Solve Equation Problem: 2a^(3/2) + (a^2-x^2)^(1/2)

  • 1/2"
  • · Replies 5 ·
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5

Sum of reciprocal of squares <Logic>

  • icystrike
  • · Replies 2 ·
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2

Permutations and Combinations Practice Problems

  • Draggu
  • · Replies 3 ·
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3

Solve log(base4)X + log(base4) (X+6) <2

  • VVVS
  • · Replies 2 ·
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2

Finding the mass of our Galaxy and the amount of stars in our Galaxy

  • seizureboi
  • · Replies 1 ·
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1

Finding Two Points on a Graph with Midpoint (0,0)

  • Denyven
  • · Replies 6 ·
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6

Simultaneous Equations check on work

  • valley
  • · Replies 4 ·
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4

Inverse Function: How to Find the Value of g^-1(-2) with g(5)=-2

  • VVVS
  • · Replies 2 ·
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2

Solve Trig Equation: tan^2x-3=0 | Homework Help

  • hominid
  • · Replies 4 ·
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4

Is a + b a Factor of a²(b + c) + b²(c + a) + c²(a + b) + 2abc?

  • MorallyObtuse
  • · Replies 6 ·
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6

Find Work Done on Homework Problem Involving Constant Force & Vector of PQ

  • TrueStar
  • · Replies 6 ·
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6

Solving Difficult Sums: a+x and 1/p+q+x Equations Explained

  • 1/2"
  • · Replies 6 ·
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6

Solving for Theta in the Interval 0<θ<360

  • MorallyObtuse
  • · Replies 2 ·
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2

Solve Inequality with x: Step-by-Step Guide

  • Taturana
  • · Replies 5 ·
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5

Word problem maybe solved by quadratic equation.

  • genelle
  • · Replies 1 ·
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1

Interest compounded monthly problem

  • CountNumberla
  • · Replies 4 ·
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4

How Do I Solve These Logarithmic Equations From My Math Exam?

  • Procrastinate
  • · Replies 11 ·
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11

Arithmetic and geometric means

  • deathnote93
  • · Replies 1 ·
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1

How Does Position Vector Calculation Work in Geometry?

  • Procrastinate
  • · Replies 1 ·
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1

Law of Sines Word Problem (Photo Included)

  • TrueStar
  • · Replies 7 ·
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7

Solving Equations: 3x + (-3) = x + 199, -300 -(-4x) = + -8x

  • Gringo123
  • · Replies 1 ·
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1

Finding Length of Diagonals of Rhombus

  • TrueStar
  • · Replies 1 ·
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1

Proving Unique Solution for ab = ba Using Logarithms | Homework Equations

  • songoku
  • · Replies 10 ·
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10

How Do You Convert 212 from Decimal to Base-9?

  • soopo
  • · Replies 4 ·
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4

How Many Ways to Form Groups from Boys and Girls in a Classroom?

  • Draggu
  • · Replies 1 ·
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1