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

Proving the Non-Negativity of a Limit: Does g(x) > 0 Imply M > 0?

  • bjgawp
  • · Replies 6 ·
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6

Dividing Polynomials ~ Root/Factor Theroem

  • matadorqk
  • · Replies 1 ·
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1
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7

Question involving some reasoning.

  • azatkgz
  • · Replies 1 ·
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1

Epsilon-delta proof for limit as x approaches negative infinity

  • bjgawp
  • · Replies 12 ·
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12
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3

How Much Distance Does a Wheel Cover in One Second?

  • soharu
  • · Replies 6 ·
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6

Simple Graphing rational expressions question

  • xCanx
  • · Replies 3 ·
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3

If 3f(x)+f(3-x)=x squared, what's f(x)?

  • pugfug90
  • · Replies 8 ·
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8

Proving Irrationality of Sums and Products of Irrational Numbers

  • hashimcom
  • · Replies 11 ·
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11

Dice with weighted sides, looking for odds of a sum:faster way

  • pugfug90
  • · Replies 5 ·
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5

Finding f(x) given the composition f[g(x)] = R(x)

  • STAR3URY
  • · Replies 6 ·
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6

Why Is Pre-Calculus Challenging for Some Students?

  • jubej
  • · Replies 7 ·
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7

Are Scatter Plots or Line Graphs Better for Presenting Pollution Index Data?

  • matthyaouw
  • · Replies 2 ·
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2

Convert √2 sin x - √2 cos x to form k cos(x + ϕ)

  • Rockefeller
  • · Replies 1 ·
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1

Dividing 9 people into groups of 4 and 5 with George and Sally together

  • fluffy91
  • · Replies 3 ·
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3

10.7 Small-Sample Inferences Concerning A Population Mean

  • Little Bear
  • · Replies 1 ·
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1

How to graph y = -2 + 2cos(0.5x)

  • PHK
  • · Replies 3 ·
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3

Looking for the slant asymptote of a rational function?

  • lostfan176
  • · Replies 2 ·
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2

How Does Conditional Probability Affect Computer Reliability Over Time?

  • estado3
  • · Replies 9 ·
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9

What values of k give no solution for this matrix system?

  • Coolies
  • · Replies 4 ·
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4

Dividing polynomials using long division with rearranged terms

  • marcflores
  • · Replies 3 ·
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3

Correction on 9.73 Statistics on Large Sample Tests of Hypotheses?

  • Little Bear
  • · Replies 1 ·
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1

Rotation of Axes: Point (x,y) to (X,Y)

  • atavistic
  • · Replies 1 ·
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1

9.73 Statistics on Large Sample Tests of Hypotheses?

  • Little Bear
  • · Replies 2 ·
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2

How can you find two different values for sin^-1(0.750)?

  • ND3G
  • · Replies 6 ·
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6

Relative Speed Calculation for Man Walking on a Moving Boat

  • missashley
  • · Replies 1 ·
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1

Finding the range of sqrt(25-(x-2)^2)

  • physstudent1
  • · Replies 4 ·
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4

Silly math problem (precipitation)

  • yoshi6
  • · Replies 5 ·
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5

What is the solution of x*exp(-x)=1?

  • Odyssey
  • · Replies 6 ·
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6

Limit of difference of square roots as x approaches infinity

  • Jwill
  • · Replies 9 ·
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9

Verifying and Proving z=cisθ Identity

  • danago
  • · Replies 6 ·
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6

Solving Trig Transformations: Rotation of a Point

  • smileandbehappy
  • · Replies 1 ·
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1

How can I factorize these polynomials?

  • Trail_Builder
  • · Replies 4 ·
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4

Partial fractions- repeated linear factors

  • nirvana1990
  • · Replies 9 ·
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9

Solving the inequality (x+1)/(x+6) ≥ 0

  • shoook
  • · Replies 3 ·
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3

Finding Angle of Man Walking on Ship Relative to Water

  • missashley
  • · Replies 1 ·
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1

Max/Min of |z| and Arg(z) given |z-1+i| <= 1

  • danago
  • · Replies 8 ·
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8

Binary 1100011 and the two-digit palindrome claim

  • Stevedye56
  • · Replies 4 ·
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4

What Is the Probability of a Computer Being Operational for 100 Days?

  • estado3
  • · Replies 2 ·
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2

Finding b and r for periodic trajectories of f(x) = rx/(1+x)^b

  • Ljilja
  • · Replies 2 ·
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2

How Do You Solve for X in the Equation 2^(x-1) = 25 Using Logarithms?

  • matadorqk
  • · Replies 4 ·
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4
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6

Do Permutations Commute Only When Identical?

  • C_Ovidiu
  • · Replies 7 ·
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7
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1

Trigonometry, different products of sine and cosine

  • Trail_Builder
  • · Replies 5 ·
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5

Finding -a v -c from compound inequalities and disjunction

  • drema9
  • · Replies 10 ·
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10
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2

Solving Complex Numbers Equations in Polar Coordinates

  • dashkin111
  • · Replies 4 ·
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4

Whats a faster way for factorizing polynomials of order 3 and above

  • Ian_Brooks
  • · Replies 4 ·
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4

Minimum Speed for Daredevil to Jump 11m Canyon on 15 Degree Incline

  • missashley
  • · Replies 2 ·
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2

Volume of an Open-Top Box with 3-Sided Squares

  • camilus
  • · Replies 2 ·
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2

Find the equation to a parabola problem

  • srujana_09
  • · Replies 1 ·
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1

How many types of matrices exist with order mn when mn is not prime?

  • electron
  • · Replies 13 ·
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13

Expressing as a single fraction

  • Theinvoker
  • · Replies 11 ·
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11

Algebra Problem in Textbook: Can't Figure Out the Step!

  • kuahji
  • · Replies 4 ·
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4

Numerical value and log problem

  • physstudent1
  • · Replies 2 ·
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2

Very interesting, a pyramid and sphere inscribed

  • JuanR
  • · Replies 1 ·
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1

Calculating Average Wave Speed and Standard Error

  • neoking77
  • · Replies 3 ·
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3

What is the total number of possible license codes

  • danago
  • · Replies 2 ·
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2

Finding the unknowns of irrational equation

  • asd1249jf
  • · Replies 7 ·
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7

Correlation coefficient and regression equation for normal random variable X

  • steven10137
  • · Replies 4 ·
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4

Pascal's Triangle and Binomial Theorem

  • SurferStrobe
  • · Replies 4 ·
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4

Finding the Equation of a Parabola with Two Known Points

  • srujana_09
  • · Replies 4 ·
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4
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4

Rearranging Celsius to Fahrenheit formula for F

  • LightbulbSun
  • · Replies 2 ·
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2

Proof that there is no largest prime number

  • msminnie
  • · Replies 6 ·
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6
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20

What Is the Square Root of i in Complex Numbers?

  • John O' Meara
  • · Replies 2 ·
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2

How Do You Calculate Joint Probabilities in a Tire Purchase Scenario?

  • asraar
  • · Replies 9 ·
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9

Probability in a sport tournament

  • Sleek
  • · Replies 1 ·
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1

How Does the Choice of Delta Affect an Epsilon-Delta Proof?

  • bjgawp
  • · Replies 10 ·
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10

Solving e^(2t+1) = 9e^(1-t) for t

  • ggcheck
  • · Replies 3 ·
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3

Writing 5, 10, 17, 26 in sigma notation

  • 123mathguy
  • · Replies 2 ·
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2

Precalculus intersectoin, union, universal etc

  • seabreeze
  • · Replies 4 ·
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4

What's wrong with the cartesian plane

  • electron
  • · Replies 3 ·
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3

Why isn't A contained in C if A ⊆ B and B ⊆ C?

  • ovoleg
  • · Replies 5 ·
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5

Trying to understand a stat question and its answer

  • FocusedWolf
  • · Replies 1 ·
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1

Finding P(A and not B), exactly one event, and neither event

  • bethanyd
  • · Replies 3 ·
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3

Finding y-intersept form two points

  • mastershake15
  • · Replies 3 ·
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3

Simplifying logarithm expression and finding cube root of complex number

  • Supernovah
  • · Replies 14 ·
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14

Solving Sinusoids: Expressing 8.5sin(290t+325) in Different Forms

  • Moneer81
  • · Replies 1 ·
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1

Algebra- Vector ce and subspace

  • lkh1986
  • · Replies 1 ·
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1

Why sine and cosine have two solutions in 0° to 360°

  • runicle
  • · Replies 5 ·
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5

Why don't y=x and y=x²+1 intersect?

  • Saladsamurai
  • · Replies 5 ·
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5

Partial Fractions: Simplifying 2nd Set to 1st

  • Rach123
  • · Replies 1 ·
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1

Inequalities with trigonometric functions

  • tigerd12
  • · Replies 6 ·
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6
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1

Range of possibilities for the third side of a triangle with sides 8 and 22

  • stealthinstinct
  • · Replies 7 ·
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7

How can completing the square help with graphing transformations?

  • shoook
  • · Replies 4 ·
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4

Factoring x^4 - 14x^2 + 52 over the reals

  • menager31
  • · Replies 11 ·
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11

How does that relate to the length of the wire?

  • pugfug90
  • · Replies 7 ·
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7

Prove there is a limit in a sequence

  • johnhitsz
  • · Replies 1 ·
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1

Expressing Area as a Function of Width

  • shoook
  • · Replies 1 ·
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1

Simple Conic I am sure - Overlooking it

  • chrisdapos
  • · Replies 7 ·
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7

Solving for i and e in a Grounded Line with Initial Conditions

  • ashish.dltg
  • · Replies 1 ·
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1

How to read function values and composite functions from a graph

  • tigerd12
  • · Replies 1 ·
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1

Simplify cos(2sin⁻¹(5x))

  • davemoosehead
  • · Replies 8 ·
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8

Polynomial Division: Finding Q(X) and R(X)

  • stefanB
  • · Replies 3 ·
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3

Y Intercept of Linear Eqn w/ Slope 4: Find Line of Best Fit Calculator

  • shoook
  • · Replies 1 ·
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1