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

Finding relative coordinates of a vector

  • war485
  • · Replies 3 ·
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3

What is the Volume to Surface Area Ratio of a Sphere?

  • scupydog
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2

Very Simple exponential growth problem

  • lmlgrey
  • · Replies 3 ·
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3

Does rearranging rows preserve orthogonality, and when is det(A) = ±1?

  • war485
  • · Replies 5 ·
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5

Scalar multiplication and cross product: which operation first?

  • salman213
  • · Replies 1 ·
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1

Island Dilemma: Choosing the Right Path Based on One Question

  • forgingiron
  • · Replies 3 ·
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3

Linear Algebra (Abstract impossible combination question)

  • xdanizzlex
  • · Replies 4 ·
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4

Difference between 2 equations in percentage

  • FrostScYthe
  • · Replies 3 ·
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3

Solving 2log₃x + log₃(x-1) = log₃2 + log₃6x for x

  • chops369
  • · Replies 4 ·
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4

Laplace and Fourier integral transforms with examples and comparison

  • sahar1978
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2

Finding the rate with T=1/r ln (rR/C + 1) ?

  • rought
  • · Replies 2 ·
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2

Calculating Wind Speed for Toronto to Montreal Flight

  • chengbin
  • · Replies 5 ·
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5

Why can't I use 1 - P(both score) for P(both miss)?

  • Inertialforce
  • · Replies 2 ·
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2

Finding the error in this homework problem

  • -EquinoX-
  • · Replies 5 ·
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5

Finding modulus and argument of a complex number

  • choob
  • · Replies 4 ·
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4

From point A to point B, basic algebra.

  • calisoca
  • · Replies 5 ·
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5

What is the probability that candidate A wins the election?

  • Inertialforce
  • · Replies 8 ·
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8

Integral of x/(1+x²) with constant factor

  • Appa
  • · Replies 7 ·
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7

Solving 12^x = 4.8^(2x) with different bases

  • Mentallic
  • · Replies 3 ·
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3

Proving the induction step for sum 1·3¹ + 2·3² + ... + n·3ⁿ

  • james.farrow
  • · Replies 2 ·
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2

Solve Exponential Variable Equations with Logarithms

  • Mentallic
  • · Replies 2 ·
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2

Probabilities: The mean of the square

  • Niles
  • · Replies 2 ·
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2

How to solve 3 = log2x 64

  • Faint
  • · Replies 4 ·
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4

Prove that tan2x - sin2x = tan2x·sin2x

  • Faint
  • · Replies 12 ·
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12
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5

Can you solve for six variables given their weighted sum equals 100?

  • mirmidonas55
  • · Replies 2 ·
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2

Reflecting points across y = x+c and y = -x+c

  • blafu
  • · Replies 2 ·
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2

How Do You Input Trig Functions into a Graphing Calculator?

  • 312213
  • · Replies 8 ·
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8

Advanced Algebra, factor and simplify

  • pooker
  • · Replies 6 ·
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6

Parabola equation for volleyball serve trajectory

  • Blueberry91
  • · Replies 3 ·
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3

Right Triangles within a right triangle. (Trig)

  • LordofDirT
  • · Replies 8 ·
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8

Find Side Lengths of an Isosceles Triangle

  • pcandrepair
  • · Replies 3 ·
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3

Probability of being equally likely

  • Inertialforce
  • · Replies 3 ·
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3

Various Problems for Precalculus Exam, Unit 3

  • jacksonpeeble
  • · Replies 4 ·
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4

How to Solve for x or y in a Horizontal Tangent Problem?

  • brambleberry
  • · Replies 3 ·
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3

Implicit differentitaion and finding coordinates

  • brambleberry
  • · Replies 3 ·
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3

Can the Sum of Two Sums be Substituted in a Function?

  • Niles
  • · Replies 4 ·
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4

Derivative of e^y: Solving w/ Chain Rule

  • brambleberry
  • · Replies 2 ·
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2

Derivative of the square root of xy

  • brambleberry
  • · Replies 2 ·
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2

Various Problems for Precalculus Exam, Unit 2

  • jacksonpeeble
  • · Replies 4 ·
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4

Linear Algebra Proofs for A^2=0 and p(A^2)<p(A)

  • Anatolyz
  • · Replies 1 ·
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1

Calculating Average Velocity of Dropped Bolt From High-Rise Building

  • Draggu
  • · Replies 1 ·
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1

Simplifying logarithmic expressions with products and powers

  • MadmanMurray
  • · Replies 13 ·
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13

Finding all integer solutions to 3(x+y)-xy=0

  • Peter159
  • · Replies 5 ·
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5

Solving cos²θ = 1/2 when you have a squared trig function

  • MadmanMurray
  • · Replies 8 ·
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8

How Do I Solve for x and y Using Simultaneous Equations?

  • MadmanMurray
  • · Replies 4 ·
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4

Couple of algebra questions I'm struggling with

  • MadmanMurray
  • · Replies 5 ·
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5

Standard deviation of weighted data

  • MadmanMurray
  • · Replies 4 ·
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4

What is the probability that the first toss was the tail?

  • tictac123
  • · Replies 6 ·
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6

Recognizing a power series as a Bessel function

  • kingturtle
  • · Replies 8 ·
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8

Why Does p+q Equal Zero in a Special Quadratic Equation?

  • requal
  • · Replies 1 ·
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1

Three CAT exam problems: digit game, silver coins, and inequality

  • msg_1989
  • · Replies 2 ·
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2
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3

Finding positions and distances between Erik and the ferry over time

  • PhysicslyDSBL
  • · Replies 2 ·
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2

Prove that the inverse of an integer matrix is also an integer matrix

  • bigevil
  • · Replies 7 ·
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7

Solving partial fraction decomposition equation for C

  • undertoes
  • · Replies 15 ·
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15

Solving Isosceles Triangle with Perimeter 17: Integers as Sides

  • Дьявол
  • · Replies 4 ·
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4

Is Z a Noetherian Z-Module?

  • norajill
  • · Replies 1 ·
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1

Finding length of a complex number

  • Niles
  • · Replies 2 ·
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2

Hardest level SAT math problem

  • shotgunbob
  • · Replies 7 ·
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7

Limit of (√x - 3)/(x - 9) as x approaches 9

  • chemic_23
  • · Replies 3 ·
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3

Studying for math test - A few things I dont understand

  • MadmanMurray
  • · Replies 1 ·
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1

Find a Bijection [tex]\left[ 0,1 \right] \rightarrow \Re [/tex]

  • rosh300
  • · Replies 4 ·
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4
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3

Solving quadratic inequalities with greater than signs

  • Sekonda
  • · Replies 7 ·
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7

Short yet confusing log equation

  • MadmanMurray
  • · Replies 4 ·
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4

How Do You Solve 4^(x-1) = 1/32 Using Laws of Indices?

  • MadmanMurray
  • · Replies 3 ·
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3

Sesquipedalian chickens laying eggs at 1.5x rate

  • bliss
  • · Replies 17 ·
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17

Mean value of dice rolls as a function of time

  • Niles
  • · Replies 2 ·
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2

Elementary probability problem

  • Elbobo
  • · Replies 2 ·
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2

Various Problems for Precalculus Exam, Unit 1

  • jacksonpeeble
  • · Replies 8 ·
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8

What is the largest poker bet that cannot be made?

  • Ed Aboud
  • · Replies 3 ·
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3

Radius and axial distance of a uniform helix

  • otobo
  • · Replies 1 ·
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1

Polar coordinates (trig question)

  • Oxygenate
  • · Replies 5 ·
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5

Permutations vs. Combinations: What's the Difference?

  • DecayProduct
  • · Replies 6 ·
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6

Solving z³ + 8 = 0 over the complex numbers

  • missmerisha
  • · Replies 4 ·
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4

Expressing Vector Values in Terms of a, b, and c

  • tweety1234
  • · Replies 5 ·
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5

Finding vertex of h(x) after translation and y-axis reflection

  • Senjai
  • · Replies 4 ·
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4

Translations math problem (gr 12 level)

  • Senjai
  • · Replies 4 ·
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4

Solve Sequences and Series: Total Distance 480m

  • locked.on
  • · Replies 2 ·
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2

Solving Factorial Algebra: P(n, 4) = 40[P(n-1, 2)]

  • DecayProduct
  • · Replies 3 ·
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3
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2

Prove whether Cross-Product is associative

  • Saladsamurai
  • · Replies 5 ·
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5

Spectral Decomposition of Linear Operator T

  • MathIdiot
  • · Replies 1 ·
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1

Understanding Symmetric Matrix Properties: A Puzzling Example

  • dirk_mec1
  • · Replies 1 ·
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1
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1

How can the sum of combinations be solved for the given problem?

  • gumi_kr
  • · Replies 14 ·
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14

Using period to find the equation of a function

  • lostcompass
  • · Replies 5 ·
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5

Does "round to 4 digits" mean significant figures or decimal places?

  • Gwilim
  • · Replies 8 ·
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8
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2

Even, Odd,or Neither Odd or Even Function

  • albert2008
  • · Replies 4 ·
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4

Are vectors (1,2,0), (2,1,3), (0,3,-3) linearly independent?

  • Lynne
  • · Replies 5 ·
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5

Simple equation solving (I think)

  • tachu101
  • · Replies 5 ·
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5

4-Digit Different Digit Patterns - 4536

  • DecayProduct
  • · Replies 4 ·
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4

Simple distance traveled problem

  • Elbobo
  • · Replies 2 ·
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2

Find x Given Remainders: Number Theory Problem and Solution

  • ismaili
  • · Replies 1 ·
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1

Limit of a function with absolute value of polynomial in a quotient

  • UNknown 2010
  • · Replies 3 ·
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3

Does a circle overlap a square?

  • TDC-Studio
  • · Replies 2 ·
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2

Trigonometric functions - angular measures and tangent curves

  • fp252
  • · Replies 6 ·
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6

Need an formula/equation for this scenario

  • gwanun
  • · Replies 1 ·
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1