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

Acceleration due to Gravity problem.

  • sirajoman
  • · Replies 4 ·
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4

Distance traveled by a Projectile?

  • swisscheese
  • · Replies 5 ·
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5

Word Problems In Algebra Help Me Please

  • pathetic_26
  • · Replies 13 ·
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13

Why is matrix multiplication undefined for D and E?

  • rocomath
  • · Replies 5 ·
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5
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3

How can I factorise quadratics using the quadratic formula?

  • Davio
  • · Replies 7 ·
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7

Help with entering an equation into a calculator

  • Etherian
  • · Replies 2 ·
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2

Reduce Trigonometric Series: 2 Problems Solved

  • ritwik06
  • · Replies 5 ·
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5

Need ALGEBRA 2 HELP with square roots

  • amd123
  • · Replies 19 ·
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19

Number of Roots for 2x^4 - 20x^2 + 50 Curve

  • DeanBH
  • · Replies 16 ·
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16

Calculating Possibilities for Winning Tickets | Combinations Problem

  • Physicsissuef
  • · Replies 2 ·
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2

What is the solution to y - 8y^(1/2) + 11 = 0 using quadratic formula?

  • DeanBH
  • · Replies 10 ·
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10

Why Might 0/0 and ∞/∞ Seem to Equal 1 in Calculus?

  • apples
  • · Replies 23 ·
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23

Problem with quadratics (dividing by x)

  • david18
  • · Replies 2 ·
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2

Operations across an inequality

  • rock.freak667
  • · Replies 15 ·
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15

Solving 3-1 Trees: Proving Even # of Vertices & Finding Leaf #s

  • leilei
  • · Replies 1 ·
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1

Can You Solve This Trigonometric Identity?

  • stuck
  • · Replies 7 ·
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7

Surface area of a polar equation

  • Ironmaningell
  • · Replies 7 ·
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7

Given f(x) = x^3 + 4x -5, show x-1 is a factor

  • DeanBH
  • · Replies 8 ·
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8

Graph Problem: Reconstructing Spanning Trees

  • user1616
  • · Replies 6 ·
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6

Vertices of triangle, multi-problems

  • rocomath
  • · Replies 6 ·
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6

Complex numbers - describe geometrically

  • jason1989
  • · Replies 3 ·
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3

How Do You Solve for e11 and e12 When (e11)^2 + (e12)^2 = 1?

  • tuanle007
  • · Replies 6 ·
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6

Trigonometric formulas for tangent?

  • quantumgenius
  • · Replies 4 ·
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4

Rate of change in distance question

  • Dr Zoidburg
  • · Replies 5 ·
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5

Another CRV question (I tried)

  • PuzzledMe
  • · Replies 19 ·
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19

On the Graph, For How Many Values of x Does y=x?

  • LLS
  • · Replies 18 ·
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18

Explicit Formula for Sum of Series with Fractional Terms

  • Andy111
  • · Replies 5 ·
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5

Find The Area of A Quadrilateral

  • LLS
  • · Replies 6 ·
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6

How do I solve for the area between two curves with an exponential function?

  • just.karl
  • · Replies 11 ·
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11

Trigonometric Inequality Solutions for x

  • Physicsissuef
  • · Replies 9 ·
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9

What Is the Distance From the Midpoint of AB to Point C?

  • LLS
  • · Replies 13 ·
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13

Find The Value of X Given (x,2)

  • LLS
  • · Replies 5 ·
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5

Solving Discriminant Question & Finding Possible Values of k

  • _Mayday_
  • · Replies 26 ·
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26

Investigating the Relation Between Study Hours and Grade

  • LAYAN-2008
  • · Replies 1 ·
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1

Please help me (earning ratio-boxplot)

  • LAYAN-2008
  • · Replies 1 ·
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1

Probability of Hitting Red Zone on Game Show Darts Target

  • LLS
  • · Replies 4 ·
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4

Trigonometry Circular and Inequalities: Homework Statement and Solution Attempt

  • Physicsissuef
  • · Replies 2 ·
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2

What was Bill's average speed in mph on the way to work?

  • LLS
  • · Replies 7 ·
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7

What Is the Largest Integer in a Sum of 31 with Restrictions?

  • LLS
  • · Replies 7 ·
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7

Geometry & Trigenometry problem

  • someone1029
  • · Replies 5 ·
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5

Exponential Equation System: Solving 3^xy=2^yx and 12^xx=3^y4

  • Physicsissuef
  • · Replies 8 ·
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8

Factoring problem - is it an iteration or more obvious?

  • Sparky_
  • · Replies 3 ·
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3

Solving Trigonometry Equation Algebraically

  • cathoderay
  • · Replies 3 ·
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3

How Do You Solve Trigonometric Inequalities Involving Sin, Cos, and Tan?

  • Physicsissuef
  • · Replies 12 ·
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12

How Do You Solve a Precalculus Wrapping Function Problem?

  • contender569
  • · Replies 3 ·
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3

Optimizing Area and Volume: Solving Maximum Problems

  • Dr Zoidburg
  • · Replies 3 ·
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3

How can I calculate average power for a trigonometric expression?

  • jesuslovesu
  • · Replies 3 ·
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3

How can random numbers help analyze birth patterns in a week?

  • LAYAN-2008
  • · Replies 2 ·
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2

[Recurrence Relation]three conscutive 0's in bit string

  • master cherundo
  • · Replies 4 ·
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4

Understanding Oblique Asymptotes in Mathematical Functions

  • flash
  • · Replies 3 ·
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3

Simple minimum/maximum question

  • DeanBH
  • · Replies 3 ·
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3

Solving for Inverse Function of f(x)= x+1 / x

  • Larrytsai
  • · Replies 8 ·
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8

How to Solve a Maxima/Minima Problem for a Polynomial Function

  • rohanprabhu
  • · Replies 4 ·
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4

Roller Coaster Hill Height Formula | Triangulation Problem Solution

  • drobtj2
  • · Replies 1 ·
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1

Simple differentiation question

  • DeanBH
  • · Replies 2 ·
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2

How to Solve a Logic Problem with Numbers Using Equations?

  • mhill
  • · Replies 5 ·
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5

Finding PS/AR Ratio to Solving Homework Equations

  • mercedesbenz
  • · Replies 11 ·
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11

Probability of randomly selecting three big blue marbles?

  • goofyfootsp
  • · Replies 10 ·
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10

Simple gradient/graph question.

  • DeanBH
  • · Replies 2 ·
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2

Solving a PreCalc Football Problem

  • mandomansion
  • · Replies 1 ·
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1

Probability a five-card contains the ace of hearts

  • zbobet2012
  • · Replies 2 ·
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2

How Is the Conditional PMF Calculated for Car Arrivals at a Toll Station?

  • maibs89
  • · Replies 1 ·
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1

What are the Properties of Circumscribed Quadrilaterals?

  • MadAsAdam
  • · Replies 6 ·
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6

Simplifying a sum with fractions of products of binomials

  • Rationalist
  • · Replies 6 ·
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6

Solving 15 Boys x 15 Girls Dance Pairs

  • TrusighteR
  • · Replies 5 ·
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5

Solving for x in n + n^(1/2) + n^(1/3) = 76

  • Kushal
  • · Replies 6 ·
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6

Solve Triangle: b=1, c=√3+1, B=15°

  • msdenise15
  • · Replies 2 ·
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2

Find the Sum of Series up to 11 Terms

  • rohanprabhu
  • · Replies 2 ·
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2

Basic Rearranging equation to find values

  • tim_3491
  • · Replies 1 ·
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1

How Do You Determine the Maximum Area of Quadrilateral ABCD?

  • mercedesbenz
  • · Replies 2 ·
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2

The largest angle in a triangle:

  • joelio36
  • · Replies 6 ·
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6

Matrix has no inverse for skew symmetric matrix

  • t_n_p
  • · Replies 28 ·
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28

Combination/Permutation Problem

  • Seda
  • · Replies 5 ·
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5

What is the Equation of the Tangent Line on an Ellipse?

  • Physicsissuef
  • · Replies 24 ·
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24

Solving Asymptote Trouble on Scatter Plot: Regression or Line Fit?

  • CestLaVie9009
  • · Replies 2 ·
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2

Algebra question involving prime numbers

  • Darkiekurdo
  • · Replies 7 ·
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7

Integrate f(x) = (x^3 + 3x + 12) / (x(x+2)^2)

  • Hevonen
  • · Replies 4 ·
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4

Probability of At Least 2 Identical Letters in 4-Letter String

  • Seda
  • · Replies 10 ·
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10

Solving a Two-Equation Fourier Series

  • Shomy
  • · Replies 23 ·
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23

Find Coeff. of x^{88} & Solve for x

  • mercedesbenz
  • · Replies 2 ·
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2

Solving for X in an X^4 Equation: Homework Help and Explanation

  • Physicsissuef
  • · Replies 7 ·
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7

Changing polar equations to rectangular equations?

  • steener
  • · Replies 2 ·
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2

How Do I Identify Corresponding Sides in Similar Triangles?

  • kenewbie
  • · Replies 1 ·
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1

Integral Rules: Solve (e^(x^2))` and Use it to Solve §5x*e^(x^2)dx

  • pace
  • · Replies 12 ·
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12

WARD."Help Me Understand 30° Angle Between W and Radial Axis

  • salman213
  • · Replies 2 ·
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2

How Do You Solve These Trigonometry Problems?

  • heath77
  • · Replies 4 ·
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4
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1

Prove x^{k+1}-1=(x-1)(x^{k}+x^{k-1}+...+1) by Induction

  • dtl42
  • · Replies 8 ·
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8

How Do You Solve a Sequence Summation Problem with Variable k?

  • david18
  • · Replies 2 ·
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2

What Are the a and b Values in the Complex Form of i?

  • algebra2
  • · Replies 5 ·
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5

Help with describing a sequence

  • rock.freak667
  • · Replies 6 ·
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6

Converting Quadratic Equations to Standard Form

  • quickclick330
  • · Replies 4 ·
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4

Probability of eggs cracking homework

  • jestrs
  • · Replies 6 ·
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6

Area of triangle created from 3 planes

  • TOD
  • · Replies 2 ·
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2

Finding Center and Radius of a Sphere

  • mujadeo
  • · Replies 2 ·
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2

Simultaneous trigonometric equations

  • Ry122
  • · Replies 22 ·
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22

Find the equation of the tangent

  • Physicsissuef
  • · Replies 3 ·
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3

I could use some help with this problem?

  • jim1174
  • · Replies 2 ·
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2
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1