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

Trouble with Inverse Matrices - Can You Help?

  • Geminiben
  • · Replies 2 ·
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2

Proving Trig Identities: Solving sin^4x + cos^4x = 1-2sin^2xcos^2x

  • snooooooooooz
  • · Replies 24 ·
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24

Factorizing Quadratic Equation: 4x^2 - 12x - 14 | Step-by-Step Solution

  • Learnphysics
  • · Replies 10 ·
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10

Solve Perpendicular Lines: A(1,2), B(4,0), C(k,2), D(1,-3)

  • bacon
  • · Replies 4 ·
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4

Are Commutative Matrices the Key to Solving These Matrix Equations?

  • Theofilius
  • · Replies 9 ·
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9

Finding Perpendicular Tangent Point on Parabola

  • soul5
  • · Replies 5 ·
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5

Problem Verifing Identities in Trig

  • Rada3b
  • · Replies 11 ·
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11

Expand & Simplify: (3x-5)^2+(x-4)^2-10(x+4)(x-1)

  • Stacyg
  • · Replies 3 ·
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3

Simplifying (2/6 -root3)^2 - (2/6+root3)^2

  • binomialgurl
  • · Replies 4 ·
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4

How to factor this monster into two quadratics?

  • motornoob101
  • · Replies 4 ·
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4

V is vector space of all antisimetric 3x3 matrices

  • Theofilius
  • · Replies 5 ·
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5

Can Streamlining Algebraic Manipulations Accelerate Factoring Techniques?

  • OrbitalPower
  • · Replies 4 ·
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4

Extremely stupid question but i want to be 100% sure

  • groom03
  • · Replies 7 ·
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7

Algebraic solution of Trig equation.

  • synthetic.
  • · Replies 2 ·
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2

Bump in the Right Direction: Simplifying b^2-a^2

  • montoyas7940
  • · Replies 4 ·
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4

Find polynoms, with as least as power possible

  • Theofilius
  • · Replies 136 ·
5
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136

Simplify fully: log a + log b – log b^2

  • Paulo2014
  • · Replies 3 ·
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3

How can you de-rationalise the denominator of 3sqrt2/2?

  • Ry122
  • · Replies 7 ·
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7

Need help with vectors question

  • PuzzledMe
  • · Replies 14 ·
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14

Solving Surd Equation: Step-by-Step Guide for 5√x = 40/x

  • thomas49th
  • · Replies 17 ·
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17

Area Common to 2 Circles: Radians Question

  • david18
  • · Replies 2 ·
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2

Why Is \sqrt[4]{(-4)^2} Not Equal to (-4)^\frac{1}{2}?

  • bacon
  • · Replies 5 ·
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5

Parabolas and Other confusing equations

  • DarlingAly
  • · Replies 12 ·
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12

Center and Radius of Circles with Given Equations

  • cheab14
  • · Replies 4 ·
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4

How Can You Calculate the Speed of an Object Dropped from a Building?

  • hds29ka
  • · Replies 3 ·
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3

Is the Graph of y=(x-3)^3 Symmetric About the Origin?

  • bacon
  • · Replies 1 ·
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1

Solving Pool Dimensions - Length = 30 ft, Width = 60 ft

  • bacon
  • · Replies 5 ·
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5

Can You Find the Roots of a Complex Equation?

  • Physicsissuef
  • · Replies 2 ·
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2

Solve Trig Equation 20sinx - 4cosx - 13 = 0

  • maphco
  • · Replies 4 ·
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4
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3

Solving Simultaneous Equations for Homework Assignments

  • JFonseka
  • · Replies 3 ·
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3

Solving 2 Questions on Continuity in R^2

  • Ka Yan
  • · Replies 1 ·
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1

Compound Functions (Algebra/Fractions)

  • synthetic.
  • · Replies 3 ·
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3

Existence of Inverse Functions

  • AussieDave
  • · Replies 12 ·
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12

Solving Projectile Motion: Find x and y with Trig. Identities

  • Cursed
  • · Replies 3 ·
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3

Proving A is Not Finite: B is Not Finite

  • Ka Yan
  • · Replies 6 ·
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6

Solve for P in Simple Equation: p - 10/-5 = p - 1/4

  • alpha01
  • · Replies 20 ·
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20

Verifying Trigonometric Identities

  • fogmomjazz
  • · Replies 5 ·
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5

Probability with independent outcomes

  • pace
  • · Replies 5 ·
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5

Finding a Cubic Polynomial with Remainders

  • mangren
  • · Replies 7 ·
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7

Solving for the Coefficients of a Polynomial with Given Roots?

  • Theofilius
  • · Replies 20 ·
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20

Polynom Division: Finding the Reminder with (x-a)(x-b)

  • Physicsissuef
  • · Replies 40 ·
2
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40

How Many Sets of Four Consecutive Integers Have a Product Under 100,000?

  • rocomath
  • · Replies 3 ·
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3

Solving Quadratic Equations w/ Unequal, Real, Rational Roots

  • mrroboto
  • · Replies 4 ·
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4

How Do You Solve a Complex Number Problem Involving a Parallelogram?

  • PuzzledMe
  • · Replies 2 ·
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2

Root of the symmetric equation

  • Physicsissuef
  • · Replies 26 ·
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26

Algebta (factoring polynomials)

  • OrbitalPower
  • · Replies 1 ·
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1

How to Simplify a Complex Fraction in Algebra?

  • kwikness
  • · Replies 7 ·
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7
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1

Can (y+3)^3 + 8 Be Fully Factorized?

  • alpha01
  • · Replies 20 ·
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20

Solving for n: Natural Number Fraction Equality

  • Theofilius
  • · Replies 35 ·
2
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35

Ray Tracing Box Intersection: (3,8) to (6,-1), (-2,3), and i-5j

  • haddow64
  • · Replies 1 ·
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1

What does Delta mean in this case

  • rad0786
  • · Replies 1 ·
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1
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5
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50

Summing cosines of different amplitude

  • radiogaga35
  • · Replies 1 ·
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1

Understanding the Continuity of Real Functions on R^1

  • Ka Yan
  • · Replies 4 ·
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4

Mysterious Angle X: Solving What's Smaller Than 1rad

  • JecaSpirro
  • · Replies 4 ·
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4

KerF and ImF of linear copying

  • Physicsissuef
  • · Replies 29 ·
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29

Proving injection,surjection,bijection

  • Physicsissuef
  • · Replies 28 ·
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28

Is this all correct? (more bl dy vectors)

  • Dr Zoidburg
  • · Replies 4 ·
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4

Analyzing f(x) Using Precalculus

  • rocomath
  • · Replies 1 ·
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1

Sigma Notation Question/Trig Identity

  • Lamoid
  • · Replies 4 ·
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4
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9

Quadratic Equations with 2 plots

  • Larrytsai
  • · Replies 4 ·
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4

Identies: Sum And Difference, Double Angle hurry

  • emohunter7
  • · Replies 21 ·
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21

Find the linear transformation

  • Physicsissuef
  • · Replies 46 ·
2
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46

How many different hands can be dealt in this variant of Poker?

  • Firepanda
  • · Replies 2 ·
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2

Permutations matches in basketball league

  • master cherundo
  • · Replies 1 ·
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1

How Do You Solve Inequalities Involving the Ceiling Function?

  • jack1234
  • · Replies 1 ·
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1

How to Calculate the Molar Mass of CaCO3

  • rww63
  • · Replies 1 ·
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1

Orthogonal Diagonalization of a Symmetric Matrix

  • aznkid310
  • · Replies 3 ·
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3

Two Sequencing Questions for Converging Formulas

  • Ka Yan
  • · Replies 9 ·
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9

Complex Solutions Homework - Find Zeros of Equation

  • Firepanda
  • · Replies 3 ·
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3

Factoring Homework: Problems and Solutions

  • Andy111
  • · Replies 11 ·
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11

OWhat is the product of these permutations?

  • Firepanda
  • · Replies 7 ·
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7

Sports Survey: How Many Play All 3 Games?

  • Firepanda
  • · Replies 9 ·
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9

Instantaneous rate of change of a sphere

  • ivysmerlin
  • · Replies 2 ·
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2

Computing Upper & Lower Limit of {Sn} from Expression

  • Ka Yan
  • · Replies 3 ·
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3

Possible webpage title: How to Factorize x^5y^2 + x^2y^5 in Algebra

  • alpha01
  • · Replies 2 ·
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2

Factor problems help | Not allowed to use graphing calculators

  • Andy111
  • · Replies 11 ·
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11

Inverting parabolic and stereographic coordinates

  • Epimetheus
  • · Replies 1 ·
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1

Need help with expectation value

  • begyu85
  • · Replies 1 ·
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1

Calculating Maximum Height & Vertical Velocity of Kong Throws

  • Charlie_russo
  • · Replies 4 ·
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4

Find Value of p for g(x) to Avoid Vertical Asymptote

  • teffy3001
  • · Replies 14 ·
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14

Solve Higher Order DE: Factoring to Find General Solution

  • suspenc3
  • · Replies 4 ·
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4

How to Solve for a1 in Given Equations with Multiple Variables and Fractions

  • 2slowtogofast
  • · Replies 9 ·
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9

Solving Linear Copying Problems with Functions: Example using f, g, and h

  • Physicsissuef
  • · Replies 18 ·
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18

Yet another simple factorizing question

  • alpha01
  • · Replies 4 ·
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4
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9

Parallelogram with coordinates

  • Physicsissuef
  • · Replies 3 ·
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3

A three part Stats problem Help

  • Dani16
  • · Replies 1 ·
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1

Find Value of x+y Reciprocals: 50 & 900

  • rocomath
  • · Replies 12 ·
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12

How Do You Calculate the Radius of Curvature for a Projectile's Trajectory?

  • Chantry09
  • · Replies 2 ·
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2

Solving Cylinder Volume from Rectangle Perimeter of 40cm

  • danizh
  • · Replies 6 ·
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6

Solving an Absolute Value Inequality with Two Terms

  • projection
  • · Replies 9 ·
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9

Solving for Boat Movement with Vectors: Direction and Speed in a Current

  • terainfizik
  • · Replies 2 ·
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2

Understanding Cross Multiplying in Factorizing Fractions: Explained

  • alpha01
  • · Replies 6 ·
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6

Calculating Distance Between Parallel Lines in 3D Space

  • Dr Zoidburg
  • · Replies 4 ·
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4

Some factorizing and other equations,

  • Saturnfirefly
  • · Replies 5 ·
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5