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

Power Reducing Forumula & other simply problem

  • Nano-Passion
  • · Replies 9 ·
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9

Easy standard deviation problem

  • Femme_physics
  • · Replies 21 ·
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21
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5

How Do Absolute Value Inequalities Apply to Different Sign Scenarios?

  • wonnabewith
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2

Solving for A Variable in Combination

  • lacrotix
  • · Replies 2 ·
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2

How Many Committees Can Be Formed from Five Student Representatives?

  • lacrotix
  • · Replies 4 ·
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4

Find intersection of parametric curve and line

  • physixer
  • · Replies 3 ·
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3

Trigonometric Equation Homework Help: Solving 3sinx + 4cosx = 1

  • Bogrune
  • · Replies 11 ·
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11

What is the value of k for which (a-3b) is a factor of a4 - 7a2b2 + kb4?

  • electrofanner
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3

Proving by Mathematical Induction

  • Phyzwizz
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2

Polynomial Division: Sum of Remainders for 53 < k < 115

  • xcrunner448
  • · Replies 16 ·
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16

Why Does the Inequality 3x2 + 13 < 12x Have No Real Solution?

  • Peter G.
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8
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1

Frustrated about a minus in the result (D = RT question)

  • Femme_physics
  • · Replies 11 ·
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11

Quadratics - Completing the Square

  • ProPM
  • · Replies 2 ·
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2

Modeling with exponential and logarithmic functions help?

  • camp3r101
  • · Replies 4 ·
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4

Mastering SI-Prefix Conversions for Easy Homework Help

  • bluepilotpen
  • · Replies 3 ·
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3

How to Use a Sundial to Find Latitude

  • itsastruggle
  • · Replies 2 ·
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2

Simplifying an incredibly annoying equation

  • Titandwedebil
  • · Replies 7 ·
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7

Bank interest plans. I tried to use the formula this time.

  • Femme_physics
  • · Replies 15 ·
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15

Solving algebraic equations with negative exponents

  • Brittany8209
  • · Replies 1 ·
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1

Understanding Continuity: When is a Function Continuous?

  • DespicableMe
  • · Replies 1 ·
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1

Any of you know how to do this?

  • Curd
  • · Replies 18 ·
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18

Partial Fraction Decomposition

  • xxwinexx
  • · Replies 5 ·
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5

Help finding a common denominator

  • Femme_physics
  • · Replies 4 ·
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4

Given Point (-2, 3pi) need to find r>0 , -2pi< or equal to theta < 0

  • Jurrasic
  • · Replies 2 ·
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2

What does the trig book mean? Need help with trig

  • Jurrasic
  • · Replies 4 ·
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4

What is the Modulus of the Square Root of a Number?

  • sachin123
  • · Replies 4 ·
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4

Trigonometry Engineering Waves proble

  • andycampbell1
  • · Replies 7 ·
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7

What Defines the Function f from Set A to B?

  • owensking
  • · Replies 1 ·
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1

Equation for a circle plugging for x and y, not getting a

  • Femme_physics
  • · Replies 7 ·
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7

Trigonometry Proof: Proving Sin^8 + Cos^8 = (a+b)^3

  • The legend
  • · Replies 1 ·
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1

Vectors Help. Mathematics Specialist.

  • realplayer1
  • · Replies 2 ·
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2

Communication Matrix Homework Problem #10: How to Indicate Arrows

  • h1a8
  • · Replies 2 ·
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2

Whats the difference between recursive formula and general term?

  • supernova1203
  • · Replies 2 ·
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2

What is the explanation for the strange angle result in this trapezoid problem?

  • Femme_physics
  • · Replies 8 ·
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8

Graph of function of acceleration and velocity after time t

  • Nano-Passion
  • · Replies 4 ·
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4

Bicycle rider (rate, distance, time question)

  • Femme_physics
  • · Replies 3 ·
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3

[Please delete old thread] Kid going down slide

  • aeromat
  • · Replies 1 ·
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1

How can I express h in terms of D for this problem?

  • whatsoever
  • · Replies 5 ·
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5

Find Zeros of f(x): Solving Functions Problem Homework

  • luludatis
  • · Replies 4 ·
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4

Trigonometric functions problem

  • luludatis
  • · Replies 4 ·
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4

Find Min Distance Parent & Child on Water Slide Problem

  • aeromat
  • · Replies 7 ·
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7

Simplifying Fractions: Step-by-Step Guide

  • Amaz1ng
  • · Replies 9 ·
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9

Algebra, percentages bank interest problem (simple)

  • Femme_physics
  • · Replies 4 ·
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4

Finding a point on a slope that meets a function - tricky one though

  • Femme_physics
  • · Replies 48 ·
2
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48

Show that the following statement is true.

  • ohhnana
  • · Replies 1 ·
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1

Investigating Infinite Summation: Calculating Sn 0-10

  • Peter G.
  • · Replies 2 ·
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2

Real World EXAMPLES of Exponential and Logarithmic Functions

  • sillydude
  • · Replies 5 ·
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5

Derivation of Fibonacci closed form

  • MathAmateur
  • · Replies 3 ·
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3

Calculating (n+2)! quickly and accurately - Help Needed!

  • Phyzwizz
  • · Replies 6 ·
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6

GoHabsGo's Thread of Algebra help

  • gohabsgo
  • · Replies 15 ·
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15

Find the Nth Term: Simplifying the Denominator

  • mario mata
  • · Replies 4 ·
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4

How to Solve Tan(x) = 3 Without Calculator: Trigonometry Question

  • Constantinos
  • · Replies 5 ·
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5

How would I solve for Length? simple math equation involving sin/cosine?

  • jcfor3ver
  • · Replies 1 ·
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1

Answer: Proving Sums with De Moivre's Theorem

  • rock.freak667
  • · Replies 4 ·
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4

Finding complex solution to quadratic equation

  • adichy
  • · Replies 7 ·
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7

How do I find the position vector for the line of intersection?

  • ishterz
  • · Replies 1 ·
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1

Error Propagation: Calculating Mean of Error of Measurement

  • sltungle
  • · Replies 2 ·
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2

Solving an Inequality to Determine profit margin

  • PhysicsAdvice
  • · Replies 3 ·
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3

I have a BIG PROBLEM, i have an exam tomorrow IN MATH

  • Vskz0
  • · Replies 16 ·
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16

Finding the square with a fraction in the expression

  • Amaz1ng
  • · Replies 8 ·
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8

Equations of a line tangent to a circle

  • Subpar
  • · Replies 3 ·
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3

How is the quotient of two constants calculated in a given equation?

  • fysiikka111
  • · Replies 7 ·
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7

Finding the Inverse of Composite Functions

  • Peter G.
  • · Replies 7 ·
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7

The opposite slope means the opposite fraction, or opposite sign?

  • Femme_physics
  • · Replies 4 ·
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4

Solving Equations Involving Exponentials and Logarithms

  • ProPM
  • · Replies 6 ·
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6

How do I calculate percentage increase for ratios in math homework?

  • asmalik12
  • · Replies 3 ·
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3

Solve Mcos^2(x) + Ncos(x) – 3 = 0 for M & N | Trig Help

  • Mathhelp77
  • · Replies 4 ·
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4

Solve Trigonometry Proofs: Tan(x) – ½sin(2x) = tan(x)sin2(x)

  • Mathhelp77
  • · Replies 10 ·
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10

Coefficient of x^35 in Binomial Theorem Expansion

  • xxwinexx
  • · Replies 1 ·
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1

Solving Math Sequence Homework with Help and Pointers

  • Mike_Winegar
  • · Replies 8 ·
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8

Probability of 25-30 Correct Answers on 200-Q Quiz

  • etotheix
  • · Replies 2 ·
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2

Find all possible terms of a given sum

  • atrus_ovis
  • · Replies 2 ·
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2

Solve Inequality Problem Step by Step

  • betosasana
  • · Replies 5 ·
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5

Piecewise Function Problem Clarification.

  • ReddbullJesus
  • · Replies 3 ·
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3
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12

2 questions. Function g(x) and a set of values of x issue.

  • SolCon
  • · Replies 6 ·
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6

Complex numbers with an unknown, fraction equation not getting it right

  • Femme_physics
  • · Replies 2 ·
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2

Solving 4-log(3-x)=3: Is -10/3 the Answer?

  • wat2000
  • · Replies 5 ·
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5

What is the Probability of a Computer System Not Working with 3 Hard Disks?

  • Maybe_Memorie
  • · Replies 7 ·
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7

Divide complex number by conjugate.

  • js14
  • · Replies 1 ·
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1

How Do I Solve Trigonometry Word Problems for My Exam?

  • aturman0803
  • · Replies 3 ·
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3

Solving Discrete Math: Integer & Algorithm Homework

  • Banshi
  • · Replies 2 ·
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2

What is the graph of a polar curve with specific r and theta values?

  • ThirdEyeBlind
  • · Replies 2 ·
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2

Simplifying Ellipses: Solving for b^2 = (5/3)

  • wat2000
  • · Replies 1 ·
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1

Geometric Sequence: Find 4th Bounce | Get Steps

  • js14
  • · Replies 28 ·
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28

Probability that the product of 5 numbers will be divisible by 9.

  • pony1983
  • · Replies 7 ·
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7

Trouble with Direct and Inverse Proportion

  • Kyoma
  • · Replies 1 ·
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1

Can you help me understand this student's method for problem #3?

  • halvizo1031
  • · Replies 3 ·
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3

Why is reflexive property necessary? equivalence relations

  • hocuspocus102
  • · Replies 9 ·
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9

How does this trig identity work?

  • zeion
  • · Replies 1 ·
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1

How can I solve 4 equations with 4 unknowns?

  • malsch
  • · Replies 11 ·
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11

Prove the irrationality of ar+s or ar-s using proof by contradiction

  • INdeWATERS
  • · Replies 3 ·
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3

Help Maths Revsion-Coordinate Geometry of a Circle

  • moogoomonkey
  • · Replies 5 ·
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5

Logarithm of a single quantity

  • ohhnana
  • · Replies 3 ·
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3

You're welcome. Glad I could help.

  • auk411
  • · Replies 8 ·
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8

Two bodies moving from point A

  • fawk3s
  • · Replies 1 ·
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1

Calculus Readiness Multiple Choice Test Answer Key Wrong?

  • GreenPrint
  • · Replies 12 ·
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12

Help with Resistance Homework: Finding Sum to Infinity

  • JJYEO325
  • · Replies 1 ·
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1