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

Solve Fractions Question Homework: Methodology Needed

  • GreenMind
  • · Replies 2 ·
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2

Path from Odd Degree Vertex in Simple Graph?

  • hyderman
  • · Replies 2 ·
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2

Proof of B=A^-1 for Invertible Matrix

  • Ami
  • · Replies 14 ·
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14

Lost with a Problem? Solve 3x-8/x^2-5x+6+x+2

  • TrineX
  • · Replies 2 ·
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2

Lost on Word Problem Homework: Min Cost of Storing Units

  • willywonka12345
  • · Replies 17 ·
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17

Determinant of a matrix using reduced echelon form

  • TrippingBilly
  • · Replies 7 ·
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7

What Is the Smallest Integer N for Which 10N Is a Square and 6N Is a Cube?

  • Trail_Builder
  • · Replies 15 ·
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15

Proving the equation of perpendicular bisector

  • ArL
  • · Replies 3 ·
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3

What is the Equation in Question?

  • ArL
  • · Replies 1 ·
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1

Calculate Average of Top 5% of Biology Test Scores

  • kankerfist
  • · Replies 1 ·
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1

Solve Lim x(squared) - 2x - 8 | x-->4

  • mathmann
  • · Replies 17 ·
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17

How do I solve for two unknowns using two equations?

  • Bradracer18
  • · Replies 3 ·
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3

Sum the Binomial Series: C_0^2-2C_1^2+...+(-1)^n(n+1)C_n^2

  • chaoseverlasting
  • · Replies 5 ·
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5

Can You Find the Coefficient of a Specific Term in a Polynomial Expression?

  • chaoseverlasting
  • · Replies 6 ·
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6

Solving a Trig Story Problem: Ft. Myers to Orlando

  • starchild75
  • · Replies 6 ·
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6

Solve (A+Bh)/(2B + A/h)=X to Find A

  • strokebow
  • · Replies 13 ·
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13

Understanding Trigonometric Functions: Period and Phase Shift Explained

  • Jess048
  • · Replies 5 ·
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5

Is 3 a Common Divisor for p and q When 3p² = q²?

  • lordy12
  • · Replies 6 ·
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6

Natural Logarithm Manupulations

  • bob1182006
  • · Replies 2 ·
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2

Understanding Solutions to Inequalities Involving Absolute Values

  • danago
  • · Replies 3 ·
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3

Help Finding Values of Cosx & Sinx | tanx=2

  • Mathslova
  • · Replies 10 ·
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10

Find the Inverse of a Function | Step-by-Step Guide & Examples

  • danago
  • · Replies 1 ·
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1

How would you find the equations of the asymptotes

  • chaoseverlasting
  • · Replies 3 ·
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3

Limits question ((x+1)/(x-1)-3)/(x-2)

  • venger
  • · Replies 12 ·
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12

Show that a function is increasing

  • Parthalan
  • · Replies 9 ·
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9

Factoring POlynomials and finding Zeros

  • matt000
  • · Replies 4 ·
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4

Determine if G and H are isomorphic

  • hyderman
  • · Replies 8 ·
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8

Possible Values of a and b for |2x+a| = |b-x| at x=-4 and x=2/3

  • danago
  • · Replies 2 ·
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2

How can the limit of a function be determined without using a graph?

  • BayernBlues
  • · Replies 2 ·
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2

Circle question (triangles too)

  • Couperin
  • · Replies 1 ·
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1

How Do You Calculate the Average Rate of Change for the Function g(t)?

  • willywonka12345
  • · Replies 2 ·
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2

How Do You Convert a Quadratic to Standard Form?

  • willywonka12345
  • · Replies 5 ·
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5

Imposibly trigonometry question

  • i-love-physics
  • · Replies 2 ·
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2

Completing the square of an equation with multiple variables/coefficients

  • pugfug90
  • · Replies 8 ·
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8

Determine if the graph isomorphic

  • hyderman
  • · Replies 2 ·
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2

I am a new member and i need a little help,if possible

  • sutupidmath
  • · Replies 5 ·
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5

How Do You Simplify the Expression \(\frac{a^4-b^4}{4a^2+4b^2}:(a+b)\)?

  • kristo
  • · Replies 6 ·
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6

Number of Real Roots of Polynomial w/ Monotonic Behaviour

  • chaoseverlasting
  • · Replies 11 ·
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11

Three-Digit Number Puzzle: Solving a Parlour Game with Modular Arithmetic

  • Trail_Builder
  • · Replies 6 ·
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6

Proving slope m of a secant connecting two points of the sine curve

  • Rukawa0320
  • · Replies 22 ·
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22

Probability of Getting 1 Red Ball from Bag of 3 Reds, 2 Greens, 1 Blue

  • sdlisa
  • · Replies 10 ·
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10

Finding the angle in between 3D vectors

  • pugfug90
  • · Replies 2 ·
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2

Finding the Volume of a Conic Section: Is There a Formula?

  • jasbo11166
  • · Replies 3 ·
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3

Probability Help: Find Probability of Uncracked Egg Carton

  • sdlisa
  • · Replies 3 ·
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3

Do 3-4-5 Triangles Have to be 30-45-90?

  • Bradracer18
  • · Replies 9 ·
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9

What is the solution for the equation |x + a| = |x - b|, given that x=2?

  • unique_pavadrin
  • · Replies 2 ·
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2

Having trouble solving Sin2x-1=0? Let's tackle it together!

  • Determined77
  • · Replies 9 ·
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9

Finding the Vertex of a Translated Curve

  • Trail_Builder
  • · Replies 8 ·
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8

Solving Simultaneous Equations: 3x + y = 17 and 4x - 2y = 6

  • hannahbanana99
  • · Replies 4 ·
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4

Find Solution for 4 sin(x) = 1.8 in 2nd Quadrant

  • princiebebe57
  • · Replies 1 ·
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1

What is the minimum value of x^2 - 2mx in terms of m?

  • Trail_Builder
  • · Replies 14 ·
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14

Prove Difference of Squares of Odd #s is Multiple of 8

  • Trail_Builder
  • · Replies 7 ·
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7

Is Cos(x) Equal to -Cos(-x)?

  • phintastic
  • · Replies 4 ·
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4
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9

Solve Absolute Value Inequalities

  • danago
  • · Replies 3 ·
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3

Solving Recurrence Relation w/ Initial Conditions for n-digit Sequences

  • hyderman
  • · Replies 2 ·
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2

Show that (2a-1)^2 - (2b-1)^2 = 4(a-b)(a+b-1)

  • Trail_Builder
  • · Replies 5 ·
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5

Calculating Surface Area of Mathematically Similar Frustums: A Beginner's Guide

  • Trail_Builder
  • · Replies 2 ·
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2

Solving for All Values of x in (cos2x)/(sin3x-sinx) = 1

  • xtpacygax
  • · Replies 3 ·
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3
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7

Proving Identity: tan²θ - sin²θ = tan²θsin²θ

  • Cyborg31
  • · Replies 15 ·
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15

Malus Law - Cosine squared term?

  • Dart82
  • · Replies 3 ·
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3
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2

Solve the recurrence relation a_n = a_n-1 + 20a_n-2

  • hyderman
  • · Replies 1 ·
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1

Complex Division: Solving Proof for Dividing 2 Complex Numbers

  • Monochrome
  • · Replies 2 ·
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2

Solving A.C Circuits with complex numbers II

  • mattakun
  • · Replies 3 ·
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3

Solving A.C Circuits with complex numbers

  • mattakun
  • · Replies 4 ·
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4

Describe a locus Algebraically

  • jvercetti
  • · Replies 4 ·
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4

What Is the Limit of Sequence f(n) as n Approaches Infinity?

  • chaoseverlasting
  • · Replies 5 ·
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5
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18

Mastering Exponential Equations: Get Urgent Help Now!

  • bluegirlbalance
  • · Replies 16 ·
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16

Demoivre's Theorem: Am I doing it right?

  • pugfug90
  • · Replies 4 ·
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4
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2

Perimeter of a triangle inscribed in a circle

  • Fedcer
  • · Replies 1 ·
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1

Simple graph with at least two vertices

  • hyderman
  • · Replies 7 ·
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7
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7

Rearranging for x in Algebraic Manipulation Homework

  • unique_pavadrin
  • · Replies 9 ·
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9

Is My Logarithm Solution Correct?

  • Essnov
  • · Replies 13 ·
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13

Continued Fractions Homework: Find Explicit Formula

  • aznkangaroo3
  • · Replies 3 ·
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3
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5

Need help on a very simple geometry problem

  • Modernization
  • · Replies 4 ·
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4

Which Inverses of Matrices are Invertible?

  • craigy
  • · Replies 9 ·
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9

Proving the Sum of Squares of Odd Numbers: Algebraic Method

  • Trail_Builder
  • · Replies 3 ·
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3

Finding the roots of an equation

  • b2386
  • · Replies 22 ·
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22

Give answer in rectangular form

  • pugfug90
  • · Replies 3 ·
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3

Quite a long 'bounds' question

  • Trail_Builder
  • · Replies 6 ·
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6

Mutually exclusive stats homework

  • daewoo
  • · Replies 3 ·
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3

Can All 30 Mutating Salamanders Be the Same Colour?

  • pivoxa15
  • · Replies 7 ·
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7

How Long is the Ball in the Air Using a Quadratic Equation?

  • caprija
  • · Replies 5 ·
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5

Graph f(2x) with a Simple f(x) Equation

  • wScott
  • · Replies 3 ·
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3

Statistics: Mean and Standard Deviation

  • nessa
  • · Replies 2 ·
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2

Discover the Cyclic Subgroups of U(30): Complete Guide

  • patelnjigar
  • · Replies 2 ·
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2

What are the steps for graphically solving a system of equations?

  • duki
  • · Replies 5 ·
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5

Max Area of Rectangle within Isosceles Triangle

  • Izzhov
  • · Replies 2 ·
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2

Vectors in the Plane: Plane+Wind question

  • pugfug90
  • · Replies 2 ·
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2

What is the correct form of unit vectors for the given vector v=5i-2j?

  • pugfug90
  • · Replies 5 ·
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5

Equations of curves and lines question

  • Trail_Builder
  • · Replies 15 ·
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15

Solve 2 unknowns x & y in System of Equations

  • VietDao29
  • · Replies 10 ·
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10

Law of Cosines Oddities: Solving Triangles with Given Sides and Angles

  • pugfug90
  • · Replies 4 ·
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4

What is diagonals intersecting at a parallogram ?

  • pugfug90
  • · Replies 2 ·
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2