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

Problem Related to Binomial Coefficient

  • dpa
  • · Replies 5 ·
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5

Inequality of sides of triangle

  • sharpycasio
  • · Replies 6 ·
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6

Solving Statistics Problem: Proving at Least 2 People with Same Hair Count

  • Taturana
  • · Replies 2 ·
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2

Use power-reducing formulas to rewrite

  • AlisonWagner
  • · Replies 4 ·
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4

Solving equations and finding solution set

  • AlisonWagner
  • · Replies 2 ·
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2

Quick simplification/factoring of a square root

  • worries
  • · Replies 1 ·
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1

Factor expression A so that it looks like expression B

  • sharpycasio
  • · Replies 2 ·
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2

Factoring X^4 + X^2 + (2^0.5)X + 2

  • peripatein
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1
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6

Problem of the torn pages in a book

  • agnibho
  • · Replies 9 ·
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9
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3

How is sinx/(2sin(x/2)) = cos(x/2)?

  • mr0no
  • · Replies 3 ·
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3

Efficient Methods for Solving Quadratic Inequalities

  • davon806
  • · Replies 2 ·
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2

Best ways in solving cubic equations without information on roots

  • cheahchungyin
  • · Replies 2 ·
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2

Problem solving equation system

  • Taturana
  • · Replies 4 ·
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4

Solve Argument of sin \frac{8∏}{5} + i

  • utkarshakash
  • · Replies 1 ·
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1

Combining Transformations; Completing the Square

  • trulyfalse
  • · Replies 1 ·
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1
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6

Why Does (sin(2x))/x Equal 2 as x Approaches 0?

  • hahaha158
  • · Replies 8 ·
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8

Problem doing induction question

  • sbsbsbsb
  • · Replies 2 ·
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2

How many ways can 15 players with 4 cars be seated?

  • xiphoid
  • · Replies 1 ·
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1

Finding Intersection of Tangents on a Circle

  • utkarshakash
  • · Replies 11 ·
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11

Find Re(α+α^2+α^3+α^4+α^5): Solve Trig Series

  • utkarshakash
  • · Replies 4 ·
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4

Parametric Equation of Torus: Deriving Solutions

  • dpa
  • · Replies 2 ·
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2

Scalar product to prove triangle inequality?

  • 8emnero8
  • · Replies 3 ·
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3

Probability of Credit Cards P(A|B')

  • jegues
  • · Replies 5 ·
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5

2 card hand probability question

  • CAF123
  • · Replies 4 ·
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4

What is the formula for finding the angles in a regular polygon with n sides?

  • sambarbarian
  • · Replies 6 ·
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6

Showing a set is linear dependent without calculations

  • potetochippu
  • · Replies 2 ·
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2

Finding a limit when assigned restrictions to f(x)

  • thatguythere
  • · Replies 1 ·
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1

Prove that spec of root 2 contains infinitely many powers of 2.

  • sachin123
  • · Replies 7 ·
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7

Finding polynomial function with given zeros

  • NneO
  • · Replies 3 ·
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3

Conditional probability with urns

  • CAF123
  • · Replies 2 ·
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2

Is 2 a Root of the Polynomial 4x^3 - 3x^2 - kx - 4k^2 = 0?

  • NneO
  • · Replies 2 ·
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2

Conditional probability(black & white ball game)

  • Cylab
  • · Replies 9 ·
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9

Probability - Equally likely outcomes

  • CAF123
  • · Replies 2 ·
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2

Find Least Value of \left|z+\frac{1}{z}\right|, |z| ≥ 3

  • utkarshakash
  • · Replies 4 ·
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4

Calaculate a Ln without calculator

  • baby_1
  • · Replies 1 ·
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1

Determinant of Matrix Involving trig Functions

  • V0ODO0CH1LD
  • · Replies 2 ·
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2

Dumbfounded by this trigonometric equation.

  • zaddyzad
  • · Replies 6 ·
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6

Relationship between A.P & G.P

  • Anyiam
  • · Replies 7 ·
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7

Factoring x^6 - y^6 as a difference of squares vs cubes?

  • Esoremada
  • · Replies 14 ·
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14

Remainder/factor theorem question

  • HerroFish
  • · Replies 5 ·
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5

How many ways to cover this rectangle

  • sharpycasio
  • · Replies 4 ·
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4

Show that Pv(Qv~P) is always true whatever the values of p and q

  • lionely
  • · Replies 9 ·
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9

Prove: ~p ^ (~q ^ r) v (q ^ r) v (p ^ r) ≡ r

  • Nuha22
  • · Replies 13 ·
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13

Finding Probablity Distribution

  • Lancelot59
  • · Replies 3 ·
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3

How can I find the number of complex numbers satisfying |z|=z+1+2i?

  • utkarshakash
  • · Replies 1 ·
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1

Linear Least Squares Excel Template

  • danielu13
  • · Replies 4 ·
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4

Function Patterns Homework Help

  • hammonjj
  • · Replies 3 ·
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3

Condition for a function to be injective

  • dpa
  • · Replies 2 ·
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2

When are linear combinations equal?

  • Bipolarity
  • · Replies 9 ·
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9
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1
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6

In how many ways can the digits 1 through 9 be arranged such that

  • Polymath89
  • · Replies 3 ·
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3

Combinatorics: Grouping 2n People into 2 Groups of n

  • record
  • · Replies 2 ·
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2

Shortest distance between two lines (vector algebra)

  • FelixISF
  • · Replies 11 ·
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11

Maximize Profit: Investing $33K in Mutual Funds

  • mtingt
  • · Replies 3 ·
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3

Proving One-to-One Function: Non-Graphical Method Using Fractional Equation

  • mindauggas
  • · Replies 14 ·
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14

Transformations of exponential functions

  • supernova1203
  • · Replies 6 ·
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6

Can Complex Numbers Be Ordered to Form an Ordered Field?

  • davon806
  • · Replies 10 ·
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10

Triangle inscribed on circle proof I am missing something

  • sjrrkb
  • · Replies 1 ·
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1

Prove that a function is periodic.

  • Mr.Tibbs
  • · Replies 7 ·
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7

True/False Question on Linear Combos

  • NullSpace0
  • · Replies 3 ·
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3

Questions of geometric progression.

  • sankalpmittal
  • · Replies 12 ·
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12

Solving Trig Word Problems: Q1 & Q2

  • Taylor_1989
  • · Replies 2 ·
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2

Proving Induction: n4 <= 4n + 17 | Math Algebra Homework

  • lovemake1
  • · Replies 5 ·
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5

Combination of Mutually Exclusive and Independent events

  • lveenis
  • · Replies 2 ·
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2

Solving for the Limit of \frac{3x}{\sqrt{x+2}}

  • Burjam
  • · Replies 9 ·
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9

Matrix A s.t. A^3=0 but A^2 doesn't

  • NullSpace0
  • · Replies 4 ·
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4

Quadratic Regression Word Problems

  • Seviper
  • · Replies 37 ·
2
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37

Proving n3 + n < 3n for n >= 4 using Mathematical Induction

  • lovemake1
  • · Replies 6 ·
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6

End Behavior of Even and Odd-Degree Polynomial Functions

  • zeion
  • · Replies 2 ·
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2

Triangle Problem: Prove (a+1)(b+1)(c+1) < 4

  • FeDeX_LaTeX
  • · Replies 2 ·
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2

What are p and q in relation to the given plane and vector?

  • joshwoods
  • · Replies 3 ·
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3

Surds - Division & rationalising

  • chuffy
  • · Replies 5 ·
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5

What Does n^{-1} Really Represent in Mathematical Terms?

  • help1please
  • · Replies 9 ·
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9

Problems involving limits in calculus

  • Angeline Ling
  • · Replies 1 ·
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1

Inverse Function problem involving e^x

  • ChromoZoneX
  • · Replies 3 ·
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3

Transformation + root of a quadratic.

  • zaddyzad
  • · Replies 2 ·
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2

The probability of a member being part of a group

  • dazm
  • · Replies 3 ·
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3

How Can a TI-83 Help Solve a Manufacturing Profit Problem?

  • Seviper
  • · Replies 8 ·
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8

Mastering the Tricky Equation: How to Solve for T Without a Calculator

  • tedwillis
  • · Replies 9 ·
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9

Geometry Proof - Parallel Lines

  • Buzur
  • · Replies 4 ·
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4

[Discrete math] Proving the form of a function

  • fawk3s
  • · Replies 5 ·
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5

So lost on exact trig ratio questions Please help

  • nukeman
  • · Replies 3 ·
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3

Polar Form of Complex Numbers: Understanding Quadrants and Sign Conventions

  • Darth Frodo
  • · Replies 1 ·
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1

Proving Homework Statement: Expanding Power of 2 over 3

  • eddybob123
  • · Replies 10 ·
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10

Odd Challenge Question in Algebra I Book

  • dbmorpher
  • · Replies 4 ·
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4

Independent vs Mutually Exclusive

  • lovemake1
  • · Replies 4 ·
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4
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4

How Do You Determine the Period of a Graph with Unequal Maximums and Minimums?

  • priceofcarrot
  • · Replies 2 ·
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2

Sum of this geometric sequence doesn't make sense

  • It_Angel
  • · Replies 5 ·
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5

Very simple complex powers problem

  • Aziza
  • · Replies 6 ·
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6
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1

Values of the six Trigonometric Functions

  • MattO7766
  • · Replies 3 ·
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3

Trig functions, finding co-ordinates

  • TheRedDevil18
  • · Replies 3 ·
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3

Proof must be integer or irrational?

  • hackboiz29
  • · Replies 5 ·
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5

Probability Question (Simple, but I am confused)

  • lovemake1
  • · Replies 20 ·
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20

Dependent theorem and bayes theorem.

  • iTee
  • · Replies 3 ·
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3