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

Solving for a and b: Fast Method for a^4 + b^4 Calculation

  • Taturana
  • · Replies 1 ·
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1

Solving a Bond Payment Problem

  • kerrwilk
  • · Replies 3 ·
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3

Find the angle between the forces given the magnitude

  • themadhatter1
  • · Replies 9 ·
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9

Probability: B needs to shoot more times than A

  • SamTaylor
  • · Replies 9 ·
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9

Probability (electric circuit) - need confirmation of my solution

  • dperkovic
  • · Replies 6 ·
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6

Ratio of partial sum to total sum

  • txy
  • · Replies 1 ·
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1

Finding resultant magnitude and direction of two forces at 30 degrees

  • themadhatter1
  • · Replies 2 ·
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2

How do i solve the system of equation

  • lorik
  • · Replies 5 ·
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5

Does n/(n+1)^3 approach 0 as n approaches infinity?

  • michonamona
  • · Replies 9 ·
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9

Is My Proof by Induction Correct?

  • zooxanthellae
  • · Replies 2 ·
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2

I'm not sure which method is correct (statistics)

  • defetey
  • · Replies 4 ·
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4
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1

Formula to calculate how many times a number occurs between two numbers

  • Brandon_R
  • · Replies 15 ·
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15

Can a real symmetric endomorphism have non-real eigenvalues?

  • penguin007
  • · Replies 3 ·
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3

Solving sin x = √2 cos x and sin²x - cos²x - 2sin x = 1

  • pinnacleprouk
  • · Replies 2 ·
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2

Solving a Law of Cosines Problem: Finding the Length of a Side

  • themadhatter1
  • · Replies 2 ·
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2

Perfect Square (Quadratic function)

  • Ak94
  • · Replies 7 ·
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7

Writing A Trig Expression as an Algebraic Expression

  • themadhatter1
  • · Replies 4 ·
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4

What is monotonic transformation? (economics)

  • 60051
  • · Replies 9 ·
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9

Shoe price after 50% increase in sales and 25% revenue gain

  • Oerg
  • · Replies 2 ·
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2

Why is Proving Equality in the Schwarz Inequality Problem Challenging?

  • zooxanthellae
  • · Replies 3 ·
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3

Verifying sin(4x) = 8cos³(x)sin(x) - 4sin(x)cos(x)

  • themadhatter1
  • · Replies 2 ·
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2

How to draw open interval graphs and sketch preimages

  • gomes.
  • · Replies 6 ·
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6

The line intercept of two planes

  • ThomasRiley
  • · Replies 7 ·
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7

Partial derivative equation problem

  • RenOdur
  • · Replies 4 ·
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4

Find the position vector of point Q dividing AB in ratio 2:1

  • geoff18
  • · Replies 11 ·
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11
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3

Where Is the Error in Finding the Maximum Point of y = x^2√(1 − x^2)?

  • jinx007
  • · Replies 14 ·
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14

How Long to Double Your Money with Compound Interest?

  • jahaddow
  • · Replies 4 ·
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4

What is the solution to finding spanned subspaces?

  • Telemachus
  • · Replies 6 ·
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6

Solve Trig Question: cot(Arctan (-√(5)/2))

  • majormuss
  • · Replies 1 ·
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1

Solve Ali's Solid Volume Puzzle: 9 Faces, 27 cm^3 Cubes

  • thereddevils
  • · Replies 5 ·
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5

Calculating the Volume of a 6-Sided Box

  • thereddevils
  • · Replies 6 ·
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6

Largest sphere radius that touches a wire in a cube

  • thereddevils
  • · Replies 2 ·
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2

Trigonometry homework problems I don't understand

  • majormuss
  • · Replies 1 ·
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1

Find k for Linear Combination of (2,3,5), (3,7,8), (1,-6,1)

  • Telemachus
  • · Replies 5 ·
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5

Testing the Validity of Arguments

  • Procrastinate
  • · Replies 4 ·
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4
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8

Solving Challenging 4th, 3rd, 2nd, and 1st Degree Equations

  • evagelos
  • · Replies 5 ·
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5

Is this possible without a calculator?

  • Procrastinate
  • · Replies 3 ·
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3
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3

Scalar equation of a plane into paremetric

  • hallowon
  • · Replies 1 ·
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1

Vectors- 4 Gr. 12 Questions - Equations of Line and Planes

  • crazycat23
  • · Replies 1 ·
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1

Geometry with isosceles triangles

  • Britney2
  • · Replies 2 ·
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2

What's the point of probability if things go completely against odds?

  • TL92
  • · Replies 13 ·
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13

Finding Vector Components in Different Directions

  • zooxanthellae
  • · Replies 2 ·
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2

Is the area of a quadrilateral the product of its diagonals divided by 2?

  • thereddevils
  • · Replies 6 ·
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6

Prove xyzw ≥ x+y+z+w-3 for x,y,z,w ≥ 1

  • evagelos
  • · Replies 2 ·
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2

Write an exponential equation from this data (data table included)

  • bigmac
  • · Replies 2 ·
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2

Trigonometry - Finding equation of line

  • Telemachus
  • · Replies 2 ·
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2

Solve 4^x = x^4: -0.77 Answer w/Work

  • whysoserious
  • · Replies 6 ·
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6

What Is the Solution for x in the Equation tan((πx)/2) = √(3)/2?

  • tonyviet
  • · Replies 4 ·
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4

Find smallest value of k in this equation

  • thereddevils
  • · Replies 9 ·
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9

Finding zeros of a quartic function

  • DTA
  • · Replies 5 ·
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5

Where can I find math exercises with detailed solutions?

  • majormuss
  • · Replies 2 ·
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2

Solve for Θ: Find Value of Θ When pi ≤ Θ ≤ 2pi, cos Θ = cos 1

  • DrummingAtom
  • · Replies 6 ·
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6

Finding (f of g)(3) where f(x) = √x and g(x) = x+1

  • tecrekka
  • · Replies 7 ·
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7

Discharge gate equation in lablace

  • algibory
  • · Replies 1 ·
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1

How to Simplify Complex Fractions Algebraically?

  • Gringo123
  • · Replies 2 ·
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2

Where Can I Find the Amsco Mathematics B Answer Book Online?

  • majormuss
  • · Replies 1 ·
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1

Solving the system 3xy+y²=-7 and x²-2xy=30

  • evagelos
  • · Replies 14 ·
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14

Trigonometric equations question

  • spoc21
  • · Replies 9 ·
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9

Finding the Sum of Geometric Sequences with Given Constraints

  • wvcaudill2
  • · Replies 13 ·
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13

Finding a plane parallel to a line, knowing a point on the plane

  • Telemachus
  • · Replies 2 ·
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2

Finding A, B, and C in a partial fraction decomposition

  • Sirsh
  • · Replies 12 ·
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12

Proof of y-intercept: Prove or Disprove

  • dance_sg
  • · Replies 3 ·
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3

What is the Direction of the Vector with Given Components?

  • thushanthan
  • · Replies 5 ·
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5

Probability choosing (non)defective items

  • satchmo05
  • · Replies 1 ·
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1

Probability using a deck o' cards

  • satchmo05
  • · Replies 1 ·
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1

Getting a rhombus vertex from one vertex and its area

  • Telemachus
  • · Replies 6 ·
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6

Solving inequalities with three variables

  • matteo86bo
  • · Replies 2 ·
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2

Solving 6sin²x - 5sinx + 1 = 0 on [0, 2π)

  • lexpar
  • · Replies 12 ·
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12

Find Point C Given Line L and Distance to B

  • Telemachus
  • · Replies 4 ·
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4

Why is y=a a horizontal asymptote on the polar coordinates?

  • sakodo
  • · Replies 3 ·
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3

How to Manipulate Your Budget Line for Optimal Purchasing Power

  • 60051
  • · Replies 5 ·
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5

Review of 14 trigonometry homework questions

  • majormuss
  • · Replies 13 ·
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13

Proving quadratic ax² + bx + c ≥ 0 when a>0 and b²-4ac≤0

  • zooxanthellae
  • · Replies 16 ·
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16

How Do You Solve the Equation \( \sqrt{3}\cos(x) + \sin(x) = 1 \)?

  • frenzal_dude
  • · Replies 2 ·
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2

Does this line belong to this plane?

  • pharoh123
  • · Replies 3 ·
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3

A Heat Conduction Problem (Final exam on Monday)

  • Jamin2112
  • · Replies 3 ·
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3

Why does the Taylor series for sqrt(144400) not converge to 380?

  • smslca
  • · Replies 10 ·
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10

Do I have memorize the entire Unit circle ?

  • majormuss
  • · Replies 7 ·
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7

Proof that the sum of two rational numbers is rational

  • ephedyn
  • · Replies 8 ·
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8

Solving log₂(x) + log₄(5) = -1 without a calculator

  • pat666
  • · Replies 13 ·
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13

Trouble with this differential equation

  • matteo86bo
  • · Replies 1 ·
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1

Solve 2/(n+3) + 7/(n+4) = 1

  • Gringo123
  • · Replies 15 ·
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15

Express as a single fraction n/(n-3) - n/(n+2)

  • Gringo123
  • · Replies 4 ·
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4

FUN solving Quadratic equations

  • sillybilly
  • · Replies 2 ·
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2

Tricky Math Problems: Solving Square and Rectangle Challenges

  • katek8k8
  • · Replies 2 ·
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2

Inversions in a permutation when moving first element to last

  • katek8k8
  • · Replies 2 ·
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2

Probability - proving independence/dependence

  • jasper10
  • · Replies 5 ·
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5

How does log base 2 convert to 2^5 in a logarithmic equation?

  • majormuss
  • · Replies 2 ·
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2

Solving a 4th Degree Equation with Ease

  • evagelos
  • · Replies 15 ·
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15

System of Equations and Inequalities

  • Everstar
  • · Replies 8 ·
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8

Solve Quadratic Equation: Find x, Show 2x2+11x-35=0

  • Gringo123
  • · Replies 4 ·
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4

Solve Quadratic Equations with Alpha1 x Beta1 and Alpha2 x Beta2"

  • kasot.tope
  • · Replies 8 ·
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8

Linearization of a non linear equation

  • red98
  • · Replies 4 ·
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4

Plotting graph of y = 1.5/sin(x) for x in (0, π/2)

  • ghostbuster25
  • · Replies 3 ·
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3

Solve Complex Function: Step-by-Step Guide

  • trojsi
  • · Replies 3 ·
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3