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

Finding x: Graphical Solution to sin(x/2)=x/4

  • garyng2001hk
  • · Replies 4 ·
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4

Solving a Complex Math Problem: 8.79 x 10 to the Power of 5

  • Gringo123
  • · Replies 20 ·
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20

How Do You Solve Logarithmic Equations Involving Exponents?

  • Cuisine123
  • · Replies 1 ·
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1

Stuipd Simple Geometry Question

  • dmt740
  • · Replies 5 ·
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5

How can I solve these trigonometric equations?

  • kristo
  • · Replies 2 ·
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2

Sketching the Curve of the Function F(x): x2-4 \sqrt{x}

  • Mspike6
  • · Replies 9 ·
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9

Calculating Train Speeds and Time with MST3K: A Fun Experiment

  • TomFoolery
  • · Replies 3 ·
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3

[markov chain] reading expected value from the transition matrix

  • rahl___
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1

[probability theory] simple question about conditional probability

  • rahl___
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1

Linear programming - profit maximisation

  • jb7
  • · Replies 4 ·
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4

Cosh(2z) Equals Cosh^2(z) Plus Sinh^2(z)

  • Wardlaw
  • · Replies 8 ·
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8

Mathematica the Simplify[] command

  • Mentallic
  • · Replies 8 ·
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8

Easy Guide to Finding HCF & LCM of 3 Numbers - 18, 24 & 27"

  • Gringo123
  • · Replies 2 ·
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2

Solving a Square in the x-y Plane: Finding m with s, d and n

  • Mentallic
  • · Replies 9 ·
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9

Why Does the Binomial Theorem Solution Differ from the Book's Answer?

  • gaganspidey
  • · Replies 31 ·
2
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31

For all x∈]0;2pi[ : tan(x) > x

  • Alexx1
  • · Replies 6 ·
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6

Finding the inverse of a modulus function

  • rreedde
  • · Replies 1 ·
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1

Solving a Physics Problem: Struggling with Algebra

  • GreenPrint
  • · Replies 1 ·
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1

Vector Identity: Validity Checked

  • Grand
  • · Replies 11 ·
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11

Simplifying rational numbers help

  • nobahar
  • · Replies 3 ·
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3

Poly function of degree n with no roots

  • Dafe
  • · Replies 2 ·
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2

Trig/constructing sine function from graph

  • Asphyxiated
  • · Replies 5 ·
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5

Trigonometry differentiation problem

  • bryansonex
  • · Replies 2 ·
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2

Line integral in polar/spherical system?

  • player1_1_1
  • · Replies 1 ·
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1

Linear Programming Production Line

  • masrad
  • · Replies 1 ·
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1
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2

How Can a Company Optimize Shipping Costs While Meeting Warehouse Demands?

  • maxsthekat
  • · Replies 7 ·
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7

Verifying Trig Identity: csc(x) + sec(x) = cot(x) + tan(x)

  • Trizz
  • · Replies 13 ·
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13
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4

Trig factor formula proof help.

  • tweety1234
  • · Replies 4 ·
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4

Math Homework Woes: Extra Credit Assignment for My Son

  • Fatentity
  • · Replies 2 ·
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2

Some problems with conic sections

  • Mspike6
  • · Replies 5 ·
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5

Apostol's Archimedes area proof for a parabola

  • gom2
  • · Replies 5 ·
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5

Half Angle Formula: Solving the Homework Statement

  • tweety1234
  • · Replies 2 ·
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2

How many juice bottles are in each carton?

  • johnnyies
  • · Replies 4 ·
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4

Trigonometry Question: Find the max and min.

  • Cuisine123
  • · Replies 4 ·
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4

How to Solve a Differential Equation with Unknown x and Metric s

  • fraggle
  • · Replies 2 ·
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2

Solve math problem w/ no algebra

  • johnnyies
  • · Replies 4 ·
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4

Help with Mathematical Induction

  • SeattleScoute
  • · Replies 5 ·
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5

Another Matematical Induction Problem

  • SeattleScoute
  • · Replies 3 ·
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3

Decoding Z-Score Chart Accuracy

  • 60051
  • · Replies 5 ·
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5

Reasonably simple series question

  • henryc09
  • · Replies 7 ·
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7

Equivalence Classes Homework: (a) & (b)

  • PolyFX
  • · Replies 5 ·
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5

Adjoints and Determinants Problem

  • CanadianEh
  • · Replies 2 ·
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2

Solving x=2+2 2/3 +2 1/3: A Puzzling Challenge

  • 1/2"
  • · Replies 3 ·
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3

Can't Solve 4x+3*2x+2+32=0? Get Help Here!

  • 1/2"
  • · Replies 4 ·
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4

Using Central Limit Theorem to Estimate Sample Means in a Stats Class"

  • cse63146
  • · Replies 2 ·
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2

Solving Logs Subscript: (log(sub5))/2=log(subx)

  • shocklightnin
  • · Replies 8 ·
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8

How Do I Choose Between Sin, Cos, and Tan in Trigonometry Problems?

  • jamesdubya
  • · Replies 3 ·
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3

Derivative of y(x)=sin x: \cos x

  • abstrakt!
  • · Replies 2 ·
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2

Math: log question-solving for x.

  • shocklightnin
  • · Replies 4 ·
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4

Solution to simple math problem again. .

  • johnnyies
  • · Replies 4 ·
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4

Is 0 a number in the solution set?

  • francis21
  • · Replies 8 ·
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8

How Can You Solve a Triangle Using the Law of Sines Without a Calculator?

  • nvidia69
  • · Replies 3 ·
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3

How Do You Calculate Profit Distribution Based on Investment and Time?

  • Gringo123
  • · Replies 2 ·
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2

Prove the angles equal to prove the sides triangle problem

  • 1/2"
  • · Replies 8 ·
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8

Find the direction and magnitude of the resultant forces

  • dancer1311
  • · Replies 3 ·
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3

What Are Some Typical Logic Problems Faced by Beginners?

  • Gib Z
  • · Replies 28 ·
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28

Trigonometry angle - calculation failed, can't explain.

  • Monocerotis
  • · Replies 3 ·
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3

Angled Forces: Finding Components, Normal Force, and Acceleration

  • Mbenjj0x0xx
  • · Replies 1 ·
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1

Solve Simple Math Problem with Different Digits - Help Needed!

  • johnnyies
  • · Replies 5 ·
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5

Course and Ground Speed (Navigation problem)

  • Elidibz
  • · Replies 2 ·
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2

Sound Loudness: Increase of 13.98 dB

  • fghtffyrdmns
  • · Replies 1 ·
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1

Domain of a Function | Open or Closed Interval?

  • Niles
  • · Replies 1 ·
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1

How to simplify 1/(cos^4x+sin^4x)

  • color_me
  • · Replies 3 ·
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3

Binomial Expansion: Coeff of x^29 in (1+x^5+x^7+x^9)

  • icystrike
  • · Replies 6 ·
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6

Finding the Normal Line for a Curve at a Given Point

  • fatima_a
  • · Replies 3 ·
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3

Finding the First Term and Common Difference of an Arithmetic Series

  • Blister
  • · Replies 1 ·
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1

Prove by Induction: \frac{1}{n^2} < \frac{1}{n(n-1)}

  • jersiq1
  • · Replies 3 ·
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3

Find an equation of a rational function

  • DDRchick
  • · Replies 2 ·
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2

Gaussian curve, x is a log scale

  • nobahar
  • · Replies 2 ·
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2

Can 10^n + 1 Be Expressed as a*a*c?

  • Pythagorean12
  • · Replies 3 ·
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3

Partial Fractions and Parametric Equations

  • Timiop2008
  • · Replies 8 ·
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8

Solving Very Hard Algebra: Step by Step Guide

  • Gringo123
  • · Replies 3 ·
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3

Verify that f(x)= (1-x^2) - (2+x) can be written as: -x + 2 - 3/(2+x)

  • suegee3000
  • · Replies 2 ·
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2

How to determine b in a conic hyperboal graph

  • Nope
  • · Replies 3 ·
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3

Proof of x and y int of a line

  • lax1113
  • · Replies 1 ·
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1

Where Can I Find Help with Trig Differentiation, Limits, and Identities?

  • Mspike6
  • · Replies 11 ·
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11

Trignometric identiy (LOADS o HELP ;D )

  • clearlyjunk
  • · Replies 2 ·
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2

How Much Money Will Carlos Have After Withdrawing from His Roth IRA?

  • bap902
  • · Replies 4 ·
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4

Standard deviation and percentage form

  • nobahar
  • · Replies 4 ·
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4

Simplistic Surface Area Problem

  • apt403
  • · Replies 2 ·
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2

Solving Quadratic Equation: 1{(1-x)^1/2+1} +1{(1+x)^1/2-1}=1/x

  • 1/2"
  • · Replies 9 ·
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9

Limit of the form 0^infinity+infinity^0

  • abhineetK
  • · Replies 6 ·
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6

Exponential Function: Is Infinity a Minimum?

  • Niles
  • · Replies 3 ·
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3

Trig identities help How to simplify by multiplication/division

  • dr_jack3l
  • · Replies 14 ·
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14

Finding the Solution Set for an Inequality

  • Learning_Math
  • · Replies 2 ·
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2

How Do Trigonometric Functions Change with Shifts of π/2 and 2π?

  • utsav55
  • · Replies 3 ·
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3

Verify Trig Identity: Find x so 1-sin(x) = 1

  • Stevo6754
  • · Replies 4 ·
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4

Converting a sin regression to cos regression

  • csmcclea
  • · Replies 1 ·
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1

Finding Component Form of Vectors: c, P, and Q

  • tennistudof09
  • · Replies 1 ·
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1

Solving Inequality: (1+tg(x))*cos^2(x) > 1

  • Icelove
  • · Replies 2 ·
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2

What is the probability of selecting a white ball from a box?

  • duki
  • · Replies 9 ·
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9

Solving a Word Problem: Algae Increase by Factor of 4 Every 60 Days

  • Jimmy84
  • · Replies 3 ·
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3

Average Rate Problem: Solve for r=60mph

  • carlodelmundo
  • · Replies 2 ·
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2

Simplify Indices Equations to Solving Math Homework

  • 1/2"
  • · Replies 2 ·
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2

Solve Trig. Problem without a calculator

  • morr485
  • · Replies 2 ·
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2

Modeling Satellite Orbit with Sinusoidal Functions

  • Cuisine123
  • · Replies 3 ·
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3
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1

Verify Your Answer | Quick and Easy Online Check - Up-00.com

  • r-soy
  • · Replies 2 ·
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2