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

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Equality of functions and mods

  • Jim01
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3

Solving 3 variables - simultaneous equations

  • orangesun
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Triangle's elementary geometry problem

  • Vahn
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3

How Do You Solve a Binomial Expansion Problem with Given Series Terms?

  • Peter G.
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11

What Is a Complex Conjugate and How Is It Used in Problem Solving?

  • c299792458
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How Can You Simplify This Complex Fractional Expression?

  • scoobiedoober
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3

Basic: Properties of ln & Exponents

  • NonAbelian
  • · Replies 10 ·
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10
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3

Calculate Half Life Values using First Order Kinetics Formula

  • Miike012
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Using Trapezoid Rule Twice huh?

  • issh
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3

What is the solution to finding the sum of square sin() functions?

  • Aikon
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Having trouble setting up this Trig problem.

  • jrjack
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5

How can I solve a trigonometric equation using algebra?

  • Peter G.
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4

Prove equations for asymptotes of standard hyperbola

  • JsStewartFan
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5

Easy trig question that I am having trouble with

  • nicksbyman
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5

Discover the Numeric Value of Y without a Calculator - Easy Methods!

  • MatheusMkalo
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4

Solving Exponentiation Problem Without Logarithm

  • MatheusMkalo
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4

(Probably) simple question: Asymptotes of a Hyperbola

  • sltungle
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4

Population Growth in Country: Calculating +1 & +4 Year Populations

  • Peter G.
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1
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Log equation with two raised variables

  • QuarkCharmer
  • · Replies 11 ·
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11
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27

What Is the Cardinality of Nested Power Sets?

  • battousai
  • · Replies 5 ·
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5

Permutation and counting problem

  • cientifiquito
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Reversing angular and linear formulas to find rpm.

  • jrjack
  • · Replies 4 ·
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4

Probability and statistics problem

  • lunds002
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2

Complex Numbers finding values

  • lunds002
  • · Replies 7 ·
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7

Solve the equation log (little 3) X + log (little6) X = 2

  • jupiter_8917
  • · Replies 1 ·
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Parametric equation of an intersection.

  • -Dragoon-
  • · Replies 6 ·
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6

Basic Probability: choosing without replacement

  • lunds002
  • · Replies 1 ·
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1

Mean Monthly Car Accidents: Analyzing Data from January to December

  • lunds002
  • · Replies 2 ·
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2

Family of Sets Proof Theorem: Counterexample & Error

  • Dansuer
  • · Replies 6 ·
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6

Convert Degrees to Inches & Balance Angles: 0.02.30?

  • raiderUM
  • · Replies 1 ·
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Trigonometry - compound angels

  • Michael_Light
  • · Replies 3 ·
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3

A paragraph on circles and cylinders

  • murshid_islam
  • · Replies 8 ·
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8

How Accurate Is the New Blood Test in Detecting Disease?

  • lunds002
  • · Replies 13 ·
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13
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7

Probability of a-b > 3 in Randomly Selected Intervals

  • ee1215
  • · Replies 1 ·
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1

General formula for finding the sum of sequences and series?

  • JLol
  • · Replies 1 ·
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1

Is Zero Divisible by Zero and Four?

  • cragar
  • · Replies 6 ·
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6

Solve Equation f for (0,80) (2,64) (4,54) (6,48) (8,44)

  • autodidude
  • · Replies 22 ·
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22

Finding the coordinates of a point on a line: Vectors

  • lunds002
  • · Replies 6 ·
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6

Equation for line connecting 2 planes

  • ampakine
  • · Replies 4 ·
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4

How to Sketch the Curve y^2 = x^3?

  • aurao2003
  • · Replies 2 ·
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2

Simple harmonic motion in a string

  • aurao2003
  • · Replies 2 ·
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2

Something i've been wondering about in an expressable format

  • Curd
  • · Replies 8 ·
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8

Volume and plane intersecting sphere

  • FortranMan
  • · Replies 3 ·
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3

Half Angle Formulas: No Negative Square Roots

  • armolinasf
  • · Replies 2 ·
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Solving for x in Simple Exponential Problem

  • thelannonmonk
  • · Replies 5 ·
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5

Problem in similarity of triangles

  • agnibho
  • · Replies 4 ·
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4

Solve Math Problem: (8sq*7x)-2(3+4x)

  • jd0011
  • · Replies 3 ·
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3

Using vectors to calculate tension.

  • -Dragoon-
  • · Replies 2 ·
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2

Polynomial Inequalities - Finding the solution set?

  • nukeman
  • · Replies 7 ·
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7

Shifting coordinate system in 2D solving simultaneous equation

  • SUDOnym
  • · Replies 3 ·
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3

Fibonacci Variation: Find the Recurrence Relation

  • Jim01
  • · Replies 3 ·
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3

Finding p(2008) for alternating polynomial with coefficients 2009 to 1909

  • juantheron
  • · Replies 7 ·
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7

How can I factorise cubic equations using a simple method?

  • TFM
  • · Replies 14 ·
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14

Identities for solving log questions

  • Saitama
  • · Replies 96 ·
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96
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What is the Projection of Line M_1P on Plane \pi?

  • chmate
  • · Replies 2 ·
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2
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Sequences that satisfay the same recurrence relation

  • Jim01
  • · Replies 5 ·
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5

Using the limit definition to find the derivative of f(x) = x² - 4x

  • epatjn
  • · Replies 2 ·
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2

Probability John Loses & Meghan Wins: 9/55

  • zorro
  • · Replies 7 ·
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7

How can I find angles that satisfy 3sin(2x) = sin(x)?

  • Peter G.
  • · Replies 5 ·
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5

How to find the solution (x,y)

  • homevolend
  • · Replies 4 ·
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4

Modeling a Cosine Wave with Six Flags Data: Equations and Solutions

  • jln1
  • · Replies 15 ·
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15

How Do You Solve Complex Trigonometric Problems?

  • esploded
  • · Replies 2 ·
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2

How many five card hands can you have if?

  • mHo2
  • · Replies 10 ·
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10

Probability of Drawing Objects From a Golf Bag

  • lacrotix
  • · Replies 10 ·
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10

Calculating for unknown vector.

  • -Dragoon-
  • · Replies 4 ·
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4

Trigonometric Formulas, Identities and Equation

  • palui123
  • · Replies 5 ·
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5

What Is the Next Number in This Challenging Sequence?

  • Leonidas
  • · Replies 9 ·
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9

Solving 2sin2x - sin x = 0 in domain [0, 2π]

  • Peter G.
  • · Replies 5 ·
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5
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5

How Do You Formulate a Quadratic Equation with Given X-Intercepts?

  • unistudent123
  • · Replies 3 ·
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3

Why is (-1)^(2/3) undefined on calculators?

  • RichardParker
  • · Replies 13 ·
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13
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1

Find a value of the angle from the given equation

  • Chuckster
  • · Replies 6 ·
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6

How Do Logarithms Solve Real-World Problems?

  • KrimsonB
  • · Replies 4 ·
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4

Tricky Oblique Parabola Question?

  • math12345
  • · Replies 1 ·
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1

Solving 0 in Physics E&M Equation

  • anonymity
  • · Replies 5 ·
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5

Function: Find the range of the funtion

  • Michael_Light
  • · Replies 1 ·
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1

Anti-aircraft gun hitting aircraft at 3500m height

  • ishterz
  • · Replies 4 ·
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4

How Do You Solve These Tricky Arithmetic Sequence Problems?

  • asd1249jf
  • · Replies 6 ·
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6

Conditionnal moments of a normal distribution

  • finanmath
  • · Replies 2 ·
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2

Is 11^n - 4^n a Multiple of 7? Proving with Mathematical Induction

  • Barbados_Slim
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1
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2

Mathematical induction w/ Summation question

  • Jim01
  • · Replies 3 ·
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3

Conditional expectation of exponential random variable given X > a

  • new_for_ever
  • · Replies 1 ·
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1

How to Prove 1+2n ≤ 3^n for All Positive Integers by Induction?

  • zeion
  • · Replies 8 ·
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8

Given f:x -> (x-1)(x-3), for x ≤ c

  • Michael_Light
  • · Replies 3 ·
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3

Proving a^2+b^2=1 has Only One sin* & cos*

  • Gwilim
  • · Replies 4 ·
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4
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3

How Do You Find the Equation of a Tangent Line to a Circle?

  • nukeman
  • · Replies 17 ·
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17

Finding the Equation of an Ellipse

  • CeceBear
  • · Replies 7 ·
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Solving a Sequence to Find an Equation

  • Phyzwizz
  • · Replies 2 ·
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What is a monotonic sequence and how do you determine its boundedness?

  • Barbados_Slim
  • · Replies 5 ·
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Circles and Triangles: Solving for X with Geometry

  • MatheusMkalo
  • · Replies 1 ·
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1