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

Gradient Ques: Is Constant Vector Dot Product 0?

  • latentcorpse
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1
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Mathematica issue with definite integrals

  • RTourn
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3
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7

Why sinxcos2x = (sin3x - sinx)*0.5

  • fiziksfun
  • · Replies 2 ·
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2

How do I manipulate algebraic expressions?

  • Schniz2
  • · Replies 4 ·
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4

How Can You Solve the Equation 3^x + x = 4?

  • nineaxe
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1

Find the Zeros of the Equation

  • Lord Dark
  • · Replies 2 ·
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2

Solving Absolute Value Inequalities without Changing Directions

  • cragar
  • · Replies 9 ·
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9

How do you solve for x in 1 = 2/(x+3)?

  • questions_uk
  • · Replies 3 ·
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3

Hints on solving this equation

  • missmerisha
  • · Replies 6 ·
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6

What Are Some Tips for Factorising Cubic Functions?

  • Matty R
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8

Geometric Progression: Calculating the nth Partial Sum

  • latentcorpse
  • · Replies 8 ·
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8

Inverse Function: Solve (-2x^5) + 1/3

  • SETHOSCOTT
  • · Replies 25 ·
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25

Uniform Convergence of Series on (0,1)

  • latentcorpse
  • · Replies 5 ·
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5

Quadratic Equation: Find Roots Range

  • antiparticle
  • · Replies 6 ·
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6

Invest a dollar at 6% interest compounded monthly

  • reb659
  • · Replies 12 ·
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12

Solve Complex Numbers Homework: Arg (z) = pi/3

  • missmerisha
  • · Replies 9 ·
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9

Solving an Algebra Problem with Trains and a Bird

  • jojoba
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2

Solving for p and q in px^3 + qx^2 - 3x - 7

  • SamS90
  • · Replies 1 ·
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1

Find the instantanous velocity

  • [Nicolette]
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3

Least Squares Regression Analysis - No Idea

  • skullers_ab
  • · Replies 1 ·
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1

Use sigma notation for expression

  • synergix
  • · Replies 1 ·
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1

Really? I can't do Algebra? Little Help Here

  • Saladsamurai
  • · Replies 7 ·
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7

Finding the Column Space of Matrix A

  • roam
  • · Replies 4 ·
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4

Quadratic Equations (that can't be Factorised)

  • mcsun
  • · Replies 3 ·
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3

Unable to find the nonlinear least squares

  • soopo
  • · Replies 2 ·
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2

Insanely easy question - trig functions, need a quick question answered

  • andrew.c
  • · Replies 1 ·
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1

Solve Log EQ: log3^(2x-9)-2xlog3=-2

  • juliany
  • · Replies 8 ·
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8

Inverse and Composite Inverse Functions

  • Matty R
  • · Replies 2 ·
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2
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2

Expressing area as a function of circumference

  • Fractal314
  • · Replies 6 ·
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6

How Can I Prove Vector Identities Using Algebraic Manipulation?

  • doggbAT
  • · Replies 2 ·
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2

Win All 4 Prizes in Cereal Box: Probability & Solution

  • RainingIce
  • · Replies 2 ·
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2

Statistics help, probability tree diagram

  • tweety1234
  • · Replies 2 ·
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2

I can't do this Simutaneous equation

  • vorcil
  • · Replies 5 ·
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5

Flux of Vector Field F out of Cube: 1

  • sci-doo
  • · Replies 2 ·
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2

Rearranging a function. Seems quite basic.

  • Matty R
  • · Replies 2 ·
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2

Finding the Minimum Angle for a Home Run Hit in a Ballpark

  • demonelite123
  • · Replies 2 ·
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2
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4
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Calculate Overflow Rate w/ Interpolation: BOD Removal 80%

  • Stacyg
  • · Replies 2 ·
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2

Proving that larger side corresponds to larger angle

  • Deviousfred
  • · Replies 9 ·
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9

Can you find the value of k in x^2 + 10x + k = 0?

  • King
  • · Replies 8 ·
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8

Finding the locus, seriously quick

  • help4drdu
  • · Replies 5 ·
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5
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6

Converting recurring decimal to a fraction

  • Mathysics
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3

Sum of reciprocals of integers is given - find integers

  • jackleyt
  • · Replies 2 ·
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2

Finding the Interval for -2(x-1)(2x+5)(x-7) > 0

  • jeahomgrajan
  • · Replies 4 ·
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4

Square Matrix A that is not Diagonalizable but A^2 is Diagonalizable

  • Deneb Cyg
  • · Replies 2 ·
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2

Confused about Absolute Value of Inverse Trigonometric Functions?

  • deancodemo
  • · Replies 5 ·
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5

What is the Relationship Between Standard Position Angles and Acute Angles?

  • sandynair
  • · Replies 5 ·
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5

Solving a Trigonometric Equation: (cos x)^4 = cos (x^2)

  • Xkaliber
  • · Replies 1 ·
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1

Deriving a formula and induction

  • muso07
  • · Replies 2 ·
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2

Geometry Proof - At it for Hours to No Avail

  • meiso
  • · Replies 7 ·
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7

How Do You Simplify Trigonometric Expressions Using Identities?

  • asdfsystema
  • · Replies 3 ·
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3

Vectors & Section Formula: Proving Collinearity

  • andrew.c
  • · Replies 10 ·
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10

Annuity Equation isolating n value HELP

  • LordofDirT
  • · Replies 6 ·
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6

How can I solve the following equation

  • mdnazmulh
  • · Replies 4 ·
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4

Is the Book's Answer Accurate?

  • davedave
  • · Replies 8 ·
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8

What Is the Correct Method to Expand a Radical Expression?

  • Stratosphere
  • · Replies 15 ·
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15

HELP easy algebra vector question please

  • vorcil
  • · Replies 4 ·
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4

Rearranging to make x the subject so i can solve

  • toodey
  • · Replies 1 ·
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1

How Do You Solve Equations with Square Roots and Quadratic Terms?

  • Stratosphere
  • · Replies 10 ·
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10

Square Root Problem: Solving for m in s=k√(1+m)/(1-m) | Help & Tips

  • triden
  • · Replies 4 ·
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4

Find equation of a Hyperbola that passes through two ordered pairs

  • synergix
  • · Replies 3 ·
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3

Word problem find equations then solve

  • synergix
  • · Replies 3 ·
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3

Alternating series convergence

  • t_n_p
  • · Replies 1 ·
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1

Solving for t in Physics Problem: y=0

  • lespommes
  • · Replies 1 ·
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1

Find Relative Extrema: Min Avg Cost - f(x) & x>=1

  • aft_lizard01
  • · Replies 1 ·
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1

Easy conic section question

  • zaboda42
  • · Replies 3 ·
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3

Closed non-commutative operation on N

  • tarkimos
  • · Replies 5 ·
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5

How Do You Solve These Challenging Arithmetic Sequence Problems?

  • Timiop2008
  • · Replies 7 ·
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7

Solve x in Unsolvable Equation: d/(1-COS(L/(2*x)))

  • creeve4
  • · Replies 2 ·
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2

Solving logarithm equation help?

  • liz777
  • · Replies 6 ·
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6

Standard form of the equation of parabola

  • jOANIE
  • · Replies 3 ·
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3

Equation of a hyperbola with some info given

  • jOANIE
  • · Replies 3 ·
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3

Master Simple Equations with Step-by-Step Examples | Math Homework Help

  • ImAnEngineer
  • · Replies 1 ·
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1

Proof of Degree 5/6 for Graph Theory: Pigeonhole Principle

  • smiles988
  • · Replies 1 ·
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1

Equation of Asymptote (Hyperbola)

  • jOANIE
  • · Replies 1 ·
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1

Cancellation property of addition of natural numbers

  • zcdfhn
  • · Replies 8 ·
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8

Simplify Equation: How to Solve for C?

  • Skullmonkee
  • · Replies 6 ·
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6

Sales Competition: Fair Formula to Add Fun

  • Pen Repine
  • · Replies 2 ·
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2

Finding Area of B for Sector Area Homework

  • asd1249jf
  • · Replies 5 ·
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5

A math prpblem I know the answer to - how do you do it?

  • Skynt
  • · Replies 5 ·
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5

Solve 6 Letter Words: 3 Consonants & 3 Vowels from "Circumference

  • novince
  • · Replies 6 ·
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6

Simplify trigonometric equation problem

  • lucky_star
  • · Replies 1 ·
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1

HELP: orthogonal sets & orthogonal matrices HW problem

  • xcvxcvvc
  • · Replies 2 ·
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2

How Can You Prove a Bijection from [0,1] to [a,b]?

  • sandra1
  • · Replies 3 ·
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3

Is A x B equal to B x A if and only if A equals B?

  • Willy_Will
  • · Replies 5 ·
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5

Unable to prove e without math. induction

  • soopo
  • · Replies 17 ·
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17
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2

Converting the Speed of Light into Micrometres/Year for Radical Equation Problem

  • Stratosphere
  • · Replies 4 ·
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4

Prove the following identity algebraically

  • General_Sax
  • · Replies 8 ·
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8

How Can Similar Triangles Simplify Solving for x and y?

  • triden
  • · Replies 4 ·
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4

Rate of increase of a radius and height of a cone

  • brandy
  • · Replies 2 ·
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2

Simplifying a rational expression

  • Kaylee!
  • · Replies 2 ·
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2

Restricting Domain and Range in broken conics

  • xxfamousxx91
  • · Replies 1 ·
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1

To divide radical expressions; quick question, are these equivalent?

  • Raizy
  • · Replies 9 ·
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9

Speed of a plane given distance and time equation.

  • brandy
  • · Replies 1 ·
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1