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

Why Does the Equation [ x / (x - 3) ] + 3 = 3 / (x - 3) Have No Solution?

  • ElectroViruz
  • · Replies 8 ·
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8

Factorising High order polynomials

  • MMCS
  • · Replies 8 ·
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8

Composite Functions, please confirm

  • dylanjames
  • · Replies 13 ·
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13

Probability question for succession?

  • Arnoldjavs3
  • · Replies 22 ·
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22

Critical points and of polynomial functions

  • cptstubing
  • · Replies 13 ·
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13

Solving the equation of a line, tangent to a curve

  • dylanjames
  • · Replies 7 ·
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7

Exponential Sytems of Equations

  • ConstantineO
  • · Replies 3 ·
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3

The radius of a circle inscribed in 2 triangles

  • eXmag
  • · Replies 6 ·
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6

Difficulty solving the following quadratic equation

  • Daniel Tyler
  • · Replies 20 ·
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20

Can Calculus Problems be Solved by Factoring?

  • carl binney
  • · Replies 11 ·
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11

Rewriting Equations with ln and Exponential Terms

  • masterchiefo
  • · Replies 4 ·
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4

Determine the horizontal distance that the ball traveled

  • Jaejoong
  • · Replies 2 ·
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2

Complex number inequality graph

  • Cpt Qwark
  • · Replies 14 ·
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14

Finding the centroid of a triangle using complex numbers

  • Baartzy89
  • · Replies 1 ·
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1

Question regarding counting in discrete mathematics

  • KevinD6
  • · Replies 7 ·
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7

S1 Probability - Binomial & Geometric Distribution

  • AntSC
  • · Replies 7 ·
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7

Derivation of the Area Formula for Triangles Using Axioms

  • vrble
  • · Replies 2 ·
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2

Finding the Value of cot(pi/8) in the form a + b*sqrt(2)

  • cmkluza
  • · Replies 5 ·
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5

Side lengths of inscribed triangle

  • Maddie1609
  • · Replies 30 ·
2
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30

How many values of k can be determined, such that

  • coolusername
  • · Replies 1 ·
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1

Calculating Infinite Sine Sum with Ratio Test | x and t Real Numbers

  • Quacknetar
  • · Replies 11 ·
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11

Trigonometric Circle : f(x) = cos(2x+1)

  • helppleasemath
  • · Replies 9 ·
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9

Find theta angle in complex form

  • baby_1
  • · Replies 4 ·
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4

Probability of Winning Game for A, B, and C

  • stephenranger
  • · Replies 6 ·
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6

Vector Cross Product Homework: Find a×(a-2b+c)

  • Cpt Qwark
  • · Replies 5 ·
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5

Physics Lab / Equation manipulation

  • Greg3Dot
  • · Replies 2 ·
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2

Calculate Length of Shadow from Two Street Lamps

  • Helpless guy
  • · Replies 6 ·
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6

Solving for x in ln and e equations | Homework Help

  • math007
  • · Replies 23 ·
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23

Equivalence Relation Homework: Proving Transitivity

  • Suraj M
  • · Replies 7 ·
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7

How Do You Solve \( e^{x-1} = 5 - y^2 + y \) for x?

  • masterchiefo
  • · Replies 2 ·
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2

Three-dimensional trigonometry question

  • JamesGoh
  • · Replies 2 ·
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2

Simplification Question: Steps from First Line to Second Line

  • theone
  • · Replies 1 ·
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1

Solving Geometry Problems involving Fractions and Triangles

  • LogarithmLuke
  • · Replies 16 ·
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16

Given two vectors, find vector of the parallelogram height

  • AndrejN96
  • · Replies 2 ·
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2

Abstract Vector Basis: Necessary & Sufficient Condition for Plane Representation

  • PcumP_Ravenclaw
  • · Replies 6 ·
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6

Geometry problem, area of a triangle

  • LogarithmLuke
  • · Replies 8 ·
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8

Solve Math Log Problems: Prove x+ln(1+e^(-x)) = ln(1+e^(x))

  • masterchiefo
  • · Replies 15 ·
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15

(edit:solved) Vector Triple Product, Components Parallel and Perpendicular

  • Seaborgium
  • · Replies 1 ·
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1

How to show an equation with n'th number of iterations

  • vmr101
  • · Replies 6 ·
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6

Program or website for graphing

  • Ginepri
  • · Replies 4 ·
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4

Proof: Height of Vertical Mast on River Banks

  • Appleton
  • · Replies 2 ·
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2

Finding period of any type of function

  • Raghav Gupta
  • · Replies 31 ·
2
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31

Find a basis of a linear system

  • Kavorka
  • · Replies 9 ·
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9

Solving Linear-Nonlinear Systems

  • Etheryte
  • · Replies 4 ·
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4

Learning Recurrence Relations: Challenges & Solutions

  • SYoungblood
  • · Replies 3 ·
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3

Prove arcsin x for its logarithm form

  • ichabodgrant
  • · Replies 1 ·
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1

Finding parametric representation of a surface

  • uzman1243
  • · Replies 10 ·
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10

Decomposition using roots of unity

  • ichabodgrant
  • · Replies 11 ·
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11

Probability question (details on image)

  • coolusername
  • · Replies 3 ·
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3

Mathematical induction example

  • cptstubing
  • · Replies 3 ·
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3

Factor Theorem Question: Find a and b for P(x) as a factor of T(x)

  • Rithikha
  • · Replies 4 ·
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4

Addition Series: Sum of Successive Terms

  • rajeshmarndi
  • · Replies 1 ·
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1

A function composition problem

  • Raghav Gupta
  • · Replies 6 ·
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6

Inverse Function of Greatest Integer Function in a Given Domain

  • Cookiey
  • · Replies 3 ·
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3

Solving a Trigonometry Problem with Tan A and Tan B

  • Davidmb19
  • · Replies 2 ·
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2

Solving Triangles. My answer fluctuates from the real answer

  • Tyler2358
  • · Replies 7 ·
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7
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11

Introductory mathematical induction problem

  • SYoungblood
  • · Replies 3 ·
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3

Can a recurrence relation be proven using induction?

  • toothpaste666
  • · Replies 14 ·
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14

Questions related to Relations and Functions

  • Raghav Gupta
  • · Replies 15 ·
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15

Finding Function Values on a Graph: f(30) and f(-14) Explained

  • Sonny18n
  • · Replies 5 ·
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5

Trigonomic Functions, Plotting from equation

  • dylanjames
  • · Replies 2 ·
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2

How to represent this discrete function?

  • iScience
  • · Replies 2 ·
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2

How can the GCD of two numbers equaling 1 help find solutions for n and m?

  • cloveryeah
  • · Replies 4 ·
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4

Find the last digit of 3^101 X 7^202

  • cloveryeah
  • · Replies 1 ·
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1

Annoying stats question, think I'm answering it right?

  • Ramjam
  • · Replies 16 ·
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16

Defining Set Configurations with Properties and Functions

  • zrek
  • · Replies 8 ·
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8

Confirm Degree & Dominant Term of Polynomial Equation

  • dylanjames
  • · Replies 9 ·
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9

Ti-89 Calculator question (Statistics)

  • AKJ1
  • · Replies 2 ·
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2

How Do You Simplify Complex Algebraic Expressions?

  • beaf123
  • · Replies 2 ·
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2

Real Zeros of Quadratic Functions: x^2-3x-28, x^2+12x+36, x^2-3, 4-x^2

  • Sonny18n
  • · Replies 20 ·
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20

Proving a cubic is surjective.

  • pondzo
  • · Replies 2 ·
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2

Question on Probability involving binomial distribution

  • sankalpmittal
  • · Replies 17 ·
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17

Finding the nth root of a complex number?

  • 21joanna12
  • · Replies 2 ·
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2

Counting Permutations for Board of Directors: 10 Members and 5 Officers

  • chris2020
  • · Replies 6 ·
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6

Longtime lurker here, composite function problem

  • Poset
  • · Replies 12 ·
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12

HMM Homework: Calculate Pr(S,π) with aRG=aGR=1/4, aRR=aGG=3/4

  • bowlbase
  • · Replies 2 ·
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2

Prove Player A Has Higher Batting Avg Than B for Entire Season

  • bigplanet401
  • · Replies 17 ·
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17

Solve Logarithm: Log3(2x+3)-log3(x-2)=3 | Step-by-Step Guide

  • dylanjames
  • · Replies 7 ·
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7

Temperature Below 0 at Depth: Find x_min

  • bobred
  • · Replies 6 ·
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6
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8

Radius of insphere in a Tetrahedron

  • Matejxx1
  • · Replies 3 ·
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3

Dividing Polynomials: How to Solve (4s^3+4s^2+72)/(s+3)

  • camel-man
  • · Replies 4 ·
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4

How Does Walking West Affect Angles in Triangle SCT?

  • ane
  • · Replies 3 ·
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3

Hi can you help me in solving this from coordinate geometry?

  • kay
  • · Replies 3 ·
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3

Discover Solutions for Vectors Cross Product Homework | AM x BC = AM x AC

  • Jeanclaud
  • · Replies 5 ·
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5

Double Angle Trig: Solving Sin2x-cosx=1 for x in [0,2pi)

  • Foopyblue
  • · Replies 5 ·
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5

How to Solve a Material Balance Problem for Two Liquids A and B?

  • nahian taskin
  • · Replies 19 ·
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19

Proving/Disproving: Int x, y, z Divisibility Claim

  • puddipop
  • · Replies 3 ·
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3

Superposition of two cosine waves

  • Dom_Ldn
  • · Replies 4 ·
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4

Strong Induction Proof with a Floor

  • Temp0
  • · Replies 11 ·
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11

Proving a Trigonometric Identity

  • einstein314
  • · Replies 5 ·
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5

Bayesian Network Homework: Equations & Solutions

  • puppydog
  • · Replies 1 ·
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1

Probability of Independent Events

  • _N3WTON_
  • · Replies 8 ·
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8

What Is the Correct Calculation for 643 + 364 Using Defined Functions?

  • Greychu
  • · Replies 12 ·
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12

Solve Geometry Q w/ L and c: Find R in Terms of L and c

  • madgorillaz15
  • · Replies 7 ·
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7

Combinatorics Homework: Calculating Possible Combinations with Set A and B

  • iScience
  • · Replies 7 ·
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7

Does scalar multiplication affect the cross product of vectors?

  • amy098yay
  • · Replies 6 ·
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6

How to solve for b in a = b mod q

  • John Harris
  • · Replies 10 ·
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10

Draw a Hexagon with Parallel Lines: 6-Sided Shape Drawing Homework

  • Gary Smart
  • · Replies 10 ·
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10