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

What is the Argument of a Complex Expression?

  • f(x)
  • · Replies 7 ·
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7

Solve Matrix Application for Single Women's Poll Answers

  • kuahji
  • · Replies 5 ·
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5

Help regarding our school project, a statistical survey on education

  • loom91
  • · Replies 4 ·
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4

General Form of equation for a Circle

  • Saladsamurai
  • · Replies 2 ·
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2

Completing the square (How to)

  • danielle36
  • · Replies 17 ·
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17

A short one on matrix multiplication

  • Päällikkö
  • · Replies 8 ·
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8

Rational Functions with Vertical and Horizontal Asymptotes: Finding the Equation

  • a150daysflood
  • · Replies 6 ·
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6

Intersections of a line and a curve

  • ehrenfest
  • · Replies 3 ·
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3

Verifying Binomial Equations Easily

  • ehrenfest
  • · Replies 2 ·
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2

Skew-symmetric matrices problem ?

  • ngkamsengpeter
  • · Replies 5 ·
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5

Disambiguating arccosine/arcsine functions

  • techninja
  • · Replies 7 ·
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7

Understanding Vandermonde's Identity: Explanation and Proof

  • Chromium
  • · Replies 2 ·
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2

What Is the Probability of Winning a Prize in Tattslotto?

  • pivoxa15
  • · Replies 6 ·
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6

How Many Ways Can Tools Be Arranged on a Rack with Restrictions?

  • pivoxa15
  • · Replies 3 ·
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3

What Is the Probability of Two Specific People Sitting Next to Each Other?

  • pivoxa15
  • · Replies 2 ·
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2

Finding the General Term for a Sequence with a Given Sum?

  • LAdidadida
  • · Replies 2 ·
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2

How Many Unique Circular Arrangements for the Word POTATOES?

  • pivoxa15
  • · Replies 1 ·
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1

Find a Polynomial Function of Degree 5 with Roots: 2, √7, 5i, and -5i

  • Mr. Mathmatics
  • · Replies 9 ·
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9

Arranging Letters of ABRACADABRA Without C, R, D Together.

  • pivoxa15
  • · Replies 2 ·
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2

Simple minimum/maximum problem

  • John O' Meara
  • · Replies 4 ·
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4

Solving for x in a trinomial that has a GCF

  • danielle36
  • · Replies 2 ·
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2

Angular properties of quadrilaterals

  • Defennder
  • · Replies 5 ·
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5

Fun with counting and modular arithmetic

  • Chromium
  • · Replies 2 ·
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2

What is the Value of m in These Equations?

  • elementals_i
  • · Replies 2 ·
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2
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3

Interesting number theory question

  • lugita15
  • · Replies 3 ·
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3

Is this Trig Identity really an identity?

  • kuahji
  • · Replies 7 ·
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7

Solve Logarithmic Equation: 2 Log to Base x of 5 + Log to Base 5 of x = Log 1000

  • ll-Angel-ll
  • · Replies 17 ·
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17

How many ways to choose 3 cards

  • emma007
  • · Replies 7 ·
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7

Is Mathematical Induction Overwhelming for New College Students?

  • Chromium
  • · Replies 7 ·
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7

Proving Inductive Step: P(k) to P(k+1)

  • Chromium
  • · Replies 1 ·
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1

Understanding Absolute Value in Algebra: |x|=+-x Explained

  • alenglander
  • · Replies 36 ·
2
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36

Finding Answers to Cubic Equation Questions

  • edgo
  • · Replies 8 ·
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8

Trig equations with multiple angles

  • GregA
  • · Replies 4 ·
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4

What is the maximum value of R in the given graph?

  • sakin
  • · Replies 16 ·
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16

Calculating the Equation of a Circle Tangent to x=sqrt(y) at (10,2)

  • say_physics04
  • · Replies 11 ·
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11

Why Do We Divide Both Sides in Formula Transposition?

  • wewelsburg
  • · Replies 4 ·
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4

Finding Inverse of Fractions & Intersections

  • Aladin
  • · Replies 6 ·
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6

Compound Interest: Grow $1000 to $1500 in 5 Years?

  • kuahji
  • · Replies 9 ·
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9

Instantaneous Current Calculation in Phasor Form | Phasor Physics Problem

  • Moneer81
  • · Replies 3 ·
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3

Any Standard Notation for Multiple Coordinate Systems?

  • dimensionless
  • · Replies 3 ·
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3

Domain & Range of 2x^2 + 4x - 3

  • kuahji
  • · Replies 7 ·
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7

Find the eigenvalues of a matrix

  • Chadlee88
  • · Replies 2 ·
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2
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5

Intersection points of a line on a circle

  • TOdorus
  • · Replies 8 ·
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8

What geometrical shapes can you see in the picture?

  • david18
  • · Replies 4 ·
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4

How Much Commission Does Peter Earn from Real Estate Sales?

  • Saree
  • · Replies 2 ·
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2

Another question about the domain in a compound function

  • 0000
  • · Replies 5 ·
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5

A short one on symmetric matrices

  • Päällikkö
  • · Replies 1 ·
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1

Solving an Infinite Limit with L'Hôpital's Rule

  • sacwchiri
  • · Replies 4 ·
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4
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11

Permutation of subsets with like objects Question

  • Astro
  • · Replies 2 ·
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2

Finding Y in Terms of X - Step by Step

  • 0000
  • · Replies 6 ·
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6

Exponential Growth Test Help Needed | Calc II Summer

  • giant016
  • · Replies 4 ·
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4

Geometry: Find Min Length & Perimeter of Hexagon ABCDEF

  • therisingpower
  • · Replies 5 ·
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5

How Do You Calculate Trigonometric Ratios for Angles in Standard Position?

  • Cyborg31
  • · Replies 5 ·
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5

Sketch the curves y =|x| and y = 2 - x^2 on the graphs

  • uniidiot
  • · Replies 5 ·
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5

Transform this function into phasor form

  • Moneer81
  • · Replies 1 ·
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1

Finding points of intersection

  • physicsgal
  • · Replies 13 ·
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13

Finding the Length of PQ in Quadrilateral MNTS and MOPR Using Ratios

  • lorddarkhelmet
  • · Replies 2 ·
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2

How Do You Solve a Quadratic Equation to Find Dimensions of a Rectangle?

  • i-love-physics
  • · Replies 4 ·
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4

How Do You Convert Polar Equations to Cartesian Form and Sketch Them?

  • uniidiot
  • · Replies 6 ·
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6

How Fast Did the Plane Fly from Glasgow to Halifax?

  • cleeoo27
  • · Replies 2 ·
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2

Relation between the gravitional constant and the given equation

  • threetheoreom
  • · Replies 10 ·
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10

Determine the value of this function

  • Moe_slow
  • · Replies 15 ·
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15

Proving an Inequality Using Cauchy Formula: Tips and Tricks

  • pixel01
  • · Replies 4 ·
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4

Is Substitution Effective in Solving These Fractional Equations?

  • siddharthmishra19
  • · Replies 6 ·
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6

How many permutations can be made with digits 1-9?

  • kakab00
  • · Replies 18 ·
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18

Percentage of the price of jeans

  • Saree
  • · Replies 3 ·
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3

Finding the Ratio of a Vector Division: Vector Equation Help

  • Firepanda
  • · Replies 3 ·
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3

Inverse of Exponential Equations

  • Murdoc88
  • · Replies 5 ·
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5

What Is the Probability That a Positive Test Indicates Actual Disease?

  • TSN79
  • · Replies 3 ·
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3

Finding Points of Intersection of a Parabolic Arch and a Hill

  • physicsgal
  • · Replies 1 ·
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1

Solving the Mod of Sine Equation: What Does Each Number Mean?

  • Incog
  • · Replies 2 ·
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2

How can the minimum diagonal be used to solve 6c?

  • Gib Z
  • · Replies 9 ·
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9

Solve 0.5 x Sqrt(61) Without a Calculator

  • thomas49th
  • · Replies 8 ·
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8

Find & Simplify Difference Quotient of f(x)=sq root x

  • kuahji
  • · Replies 4 ·
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4

Ratios of Line Segments in Parallelogram ABCD: Divide BC & AE

  • bonbon
  • · Replies 1 ·
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1

Calculating exp[iMθ] for a Matrix M

  • neelakash
  • · Replies 1 ·
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1

Deriving a trigonometric identity

  • HHermans
  • · Replies 5 ·
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5

Statistics: Adding Z-Scores & Detectors Probability

  • Cyannaca
  • · Replies 4 ·
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4

Finding Side Lengths of a Triangle Given Angles & Side a

  • ataglance05
  • · Replies 3 ·
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3

Proving the Odd Function Property: f of f(x) as an Odd Function

  • t_n_p
  • · Replies 17 ·
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17

Is This Ellipse Equation Conversion Correct?

  • physicsgal
  • · Replies 12 ·
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12
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15

Is There a Better Algorithm for Longhand Multiplication?

  • Embison
  • · Replies 11 ·
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11

Proving the Identity: cot x + tan x = sec x csc x

  • Johnny Blade
  • · Replies 2 ·
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2

Caculate the probability using a binomial distribution

  • Cyannaca
  • · Replies 3 ·
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3

What is the locus equation for a dog and cat walking in a backyard?

  • physicsgal
  • · Replies 17 ·
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17

Solve Algebra Problem: 3x+5 - 2x-1 = 3

  • david18
  • · Replies 21 ·
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21

Quadratic Inequalities: Solving x² - x < 0

  • MindRafter
  • · Replies 11 ·
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11

Using the Cosine Rule: When Do You Get 2 Answers?

  • thomas49th
  • · Replies 4 ·
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4
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6

Finding the Median with Class Scores

  • danago
  • · Replies 8 ·
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8

Solving for p and q: A Graph of 5 = cos 0 and 1 = cos 180

  • thomas49th
  • · Replies 5 ·
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5

Proving a Equation: Solving for x in 2/(x+1) + 1/(x+2) = 1/2

  • thomas49th
  • · Replies 3 ·
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3

Equation Financial Mathematics

  • Izekid
  • · Replies 1 ·
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1

LU Matix decomposition problem with U.

  • Chadlee88
  • · Replies 2 ·
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2

Row Echelon Form Homework - Finding Mistake

  • Chadlee88
  • · Replies 3 ·
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3
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1