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

Linear Algebra, Linear Transformations

  • auk411
  • · Replies 3 ·
Replies
3

Is the Unspecified Base of a Logarithm Assumed to Be 10?

  • ohhnana
  • · Replies 8 ·
Replies
8

Verifying Trigonomic Identities

  • lucy1234
  • · Replies 4 ·
Replies
4

Solve Order of Operations: x= 48÷2(9+3)

  • frozonecom
  • · Replies 4 ·
Replies
4

Can You Solve This Combinatorics Problem Involving Arrangements of X and Y?

  • physicsmath94
  • · Replies 1 ·
Replies
1

A logarithm of a single quantity

  • ohhnana
  • · Replies 4 ·
Replies
4

Proof of Cauchy Schwarz for complex numbers

  • dispiriton
  • · Replies 3 ·
Replies
3

Graph function of f(x) with max/min. Don't know what the problem is.

  • SolCon
  • · Replies 7 ·
Replies
7

What mistake did Mindy make when solving this quadratic equation?

  • halvizo1031
  • · Replies 6 ·
Replies
6

Solving for C in 1.41 = |(1+1.10iC)/(1+0.1iC)|

  • Dirac8767
  • · Replies 4 ·
Replies
4

Inequality Proof: 1 < (1+ab)/(a+b) for a, b > 1 | Check My Work"

  • armolinasf
  • · Replies 9 ·
Replies
9

Probability of Same Last Digit Product of Random Integers

  • zorro
  • · Replies 8 ·
Replies
8

Calculating Number of Students in Second Class: Average Score Statistics

  • Femme_physics
  • · Replies 2 ·
Replies
2

Understanding 20 ÷ 2(1+1)= ? - Homework Help

  • quietrain
  • · Replies 5 ·
Replies
5
Replies
2

How do you solve for g(x) using given points on the graph of f(x)?

  • Peter G.
  • · Replies 4 ·
Replies
4

What would be the solution to this equation?

  • danreilly123
  • · Replies 2 ·
Replies
2

Calculating dimensions from area and volume

  • fran1942
  • · Replies 9 ·
Replies
9

Find Coordinates & Area of Triangles with Math Functions

  • Peter G.
  • · Replies 4 ·
Replies
4

Problem with finding multiple solutions to a trigonometric equation

  • TW Cantor
  • · Replies 2 ·
Replies
2

Looking for descriptive material about log inequalities.

  • Willowz
  • · Replies 1 ·
Replies
1

Equation of circle with arc length

  • Grand
  • · Replies 9 ·
Replies
9

Lost with Probability homework

  • battery2004
  • · Replies 2 ·
Replies
2

How Many Rotations Does Circle B Make Inside Circle A?

  • wataru611
  • · Replies 6 ·
Replies
6

Intersection of unindependent events

  • logNormal
  • · Replies 1 ·
Replies
1
Replies
1

Hyperbola Word Problem: Meteorologists and the Speed of Sound

  • js14
  • · Replies 1 ·
Replies
1

Fibonacci sequence problem (simple?)

  • mihajovics
  • · Replies 3 ·
Replies
3

Simplifying Expression: 2(x-3)(x+2) + (x-3)^2 Explained

  • fran1942
  • · Replies 1 ·
Replies
1

Math Modeling - Dynamical Systems -

  • purpleehobbit
  • · Replies 1 ·
Replies
1

Parametric to Polar Conversion

  • Zach Knight
  • · Replies 3 ·
Replies
3

Trig Identity: Solving Cos(x/2) = 1/2 and the Proper Use of Plus or Minus

  • Miike012
  • · Replies 5 ·
Replies
5

Cos Theta/Sin Theta=10.11; Solve for Theta

  • Squires
  • · Replies 3 ·
Replies
3

Determining whether or not (a,0,0) and (a,b,0) are subspaces of R3

  • tnorman
  • · Replies 4 ·
Replies
4

Hyperbola: Find Vertices, Foci & Asymptotes

  • js14
  • · Replies 9 ·
Replies
9

Can You Help Verify This Calculus Derivative Solution?

  • Jake Minneman
  • · Replies 10 ·
Replies
10

Find an equation for the hyperbola.

  • wat2000
  • · Replies 6 ·
Replies
6

Properties Of Matrices with the same Column Space

  • rshalloo
  • · Replies 1 ·
Replies
1

Linear algebra square matrices

  • std10093
  • · Replies 3 ·
Replies
3

Developing a formula from cube equation

  • elimenohpee
  • · Replies 4 ·
Replies
4
Replies
5

Finding the equation of an ellipse

  • js14
  • · Replies 3 ·
Replies
3

What does a row of zeros indicate in a 4x5 matrix?

  • DespicableMe
  • · Replies 2 ·
Replies
2

Triple scalar product question

  • DespicableMe
  • · Replies 1 ·
Replies
1

Parabola Midpoint: Find Equation of Locus

  • Michael_Light
  • · Replies 3 ·
Replies
3

Requesting the Help of some Physics Majors

  • Orion4200
  • · Replies 1 ·
Replies
1

Discovering the Meaning of a Plane Equation in 4D | Homework Equations

  • DespicableMe
  • · Replies 3 ·
Replies
3

Which Option Should I Choose? My Dilemma...

  • omni
  • · Replies 3 ·
Replies
3

Prove Midpoint of Hyperbola Chord PQ is on Curve c2(x2+y2)+axy(a-2x)=0

  • Michael_Light
  • · Replies 4 ·
Replies
4

Moons Orbit Ellipse: Perilune, Apolune, Coordinates

  • js14
  • · Replies 10 ·
Replies
10

Solving Trigonometric Equations: TanΘ=4/3

  • CrossFit415
  • · Replies 14 ·
Replies
14

Solve for x in this logarithm question

  • tpent
  • · Replies 4 ·
Replies
4

Functions. Least/Greatest value and f(x)+1=0 issue.

  • SolCon
  • · Replies 2 ·
Replies
2

Sets and Logics, problem to solve a question

  • NightFire
  • · Replies 11 ·
Replies
11

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

  • footmath
  • · Replies 9 ·
Replies
9

Determining X Value with De Morgan's Laws - Need Help

  • omni
  • · Replies 4 ·
Replies
4

Simple function substitution question

  • Gameowner
  • · Replies 3 ·
Replies
3

Going through solution and stuck on a step

  • ridemx
  • · Replies 2 ·
Replies
2

A question on modular arithmetics

  • life is maths
  • · Replies 5 ·
Replies
5

Analytic geometry question: Finding the Parameters of an Ellipse

  • wat2000
  • · Replies 7 ·
Replies
7

Finding the Foci of a Quadratic: Working with y^2=1-2x^2

  • wat2000
  • · Replies 3 ·
Replies
3

Linear Transformations (T o S?)

  • dvvv
  • · Replies 14 ·
Replies
14

Solving Composite Functions with Simple Examples

  • Peter G.
  • · Replies 4 ·
Replies
4

Solving Geometric Progression & Logarithmic Equations Math Questions

  • I'm clever
  • · Replies 5 ·
Replies
5

Solving Trigonometric Equations on Mobile

  • CrossFit415
  • · Replies 8 ·
Replies
8

Is sec θ/sec θ = 2sec θ? | Math Q&A

  • CrossFit415
  • · Replies 3 ·
Replies
3

Locating a Moving Point P: x+y=9

  • Michael_Light
  • · Replies 1 ·
Replies
1

Rescaling Data Set: Solve Math Question for Physics Lab

  • fishingspree2
  • · Replies 1 ·
Replies
1

What Is the Exact Value of x That Minimizes y for Positive x?

  • recoil33
  • · Replies 2 ·
Replies
2

Understanding Sample Space: Explaining a Tricky Dice Question

  • Zamouregal
  • · Replies 2 ·
Replies
2

Graphing a function and finding the domain and range

  • land_of_ice
  • · Replies 2 ·
Replies
2

Help! Project Due in 2 Hours and I'm Confused!

  • Miike012
  • · Replies 1 ·
Replies
1

Come up with a sine equation for the following word problem.

  • supernova1203
  • · Replies 8 ·
Replies
8

Fitting a graph to data points.

  • bon
  • · Replies 2 ·
Replies
2

Gauss-Jordan Elimination Rules

  • Axmann
  • · Replies 2 ·
Replies
2

How Do You Transform the Graph of f(x) = 3x - 2 to g(x) = 6x + 1?

  • Peter G.
  • · Replies 9 ·
Replies
9

Sec(a-B) = (cota cotB+1)/(1+tanatanB)

  • CrossFit415
  • · Replies 8 ·
Replies
8

How to Solve Logarithmic Equations Using Change of Base Formula?

  • t_n_p
  • · Replies 10 ·
Replies
10

Solve Cot (a- B) = (cot a cot b + 1) / cot B - cot a

  • CrossFit415
  • · Replies 1 ·
Replies
1

Factoring polynomial - Seems difficult

  • Barchie
  • · Replies 9 ·
Replies
9

Orthogonally diagonalizing the matrix

  • war485
  • · Replies 6 ·
Replies
6

Oh god Gauss-Jordan Elimination.

  • Axmann
  • · Replies 5 ·
Replies
5

Probability problem - birthdays

  • Char. Limit
  • · Replies 2 ·
Replies
2

Well, I've forgotten intermediate algebra

  • zombienozz
  • · Replies 7 ·
Replies
7

Solve Permutation Problem: 36 Combination Lock

  • ajgrebel
  • · Replies 2 ·
Replies
2

How do i distinguish cosine and sine functions

  • supernova1203
  • · Replies 2 ·
Replies
2

Simple inequalities question I promise

  • smashbrohamme
  • · Replies 6 ·
Replies
6

Solving for X inside of a 3X3Matrix

  • smashbrohamme
  • · Replies 2 ·
Replies
2

How to Convert Equations with Variables?

  • smashbrohamme
  • · Replies 2 ·
Replies
2

How Many Four-Digit Numbers Contain At Most Two Different Digits?

  • zorro
  • · Replies 4 ·
Replies
4
Replies
1

How many times does cos(96πt)cos(4πt)=0 during t=0 to t=1s?

  • zorro
  • · Replies 7 ·
Replies
7

Solving a determinant using another determinant

  • mrhobbes
  • · Replies 1 ·
Replies
1

Which Trig Function Should You Use to Solve for c in a Right Triangle?

  • land_of_ice
  • · Replies 3 ·
Replies
3

Intersect Two Perpendicular Planes?

  • math12345
  • · Replies 3 ·
Replies
3
Replies
5

Perpendicular distance between two skew lines?

  • math12345
  • · Replies 1 ·
Replies
1

No. of quadrilaterals in a polygon

  • zorro
  • · Replies 1 ·
Replies
1

Point of Intersection of two lines

  • Jumpsmash
  • · Replies 7 ·
Replies
7