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

Frequency Distribution Homework: Part II Help and Attached Working for Part I

  • kelvin macks
  • · Replies 6 ·
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6

Prove that no "prime triplet" exists after 3,5,7

  • kvkenyon
  • · Replies 7 ·
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7

Prove (2n+1)+(2n+3)+ +(4n-1)=3n^2

  • Jef123
  • · Replies 10 ·
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10

Elementary Number Theory - GCD problems and proofs

  • Amcote
  • · Replies 6 ·
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6

College Algebra Simplifying Exponents

  • velox_xox
  • · Replies 8 ·
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8

Probability of placing marbles in a compartment

  • azizlwl
  • · Replies 10 ·
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10

Find the height of a bouncing ball at any given time

  • Tizyo
  • · Replies 5 ·
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5

Probability distribution question

  • princejan7
  • · Replies 3 ·
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3

Finding the domain for a rational function.

  • cavalieregi
  • · Replies 1 ·
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1

What is the Answer to 1/3(10) using Logic?

  • adjacent
  • · Replies 8 ·
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8

Calculating Partial Fractions find A, B and C

  • lubo
  • · Replies 13 ·
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13
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2

Will logarithms help in calculating this product?

  • lubo
  • · Replies 5 ·
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5

Problem with an equation involving natural numbers

  • TheSodesa
  • · Replies 18 ·
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18

Area of Triangle: Find Points A, B, & C

  • adjacent
  • · Replies 18 ·
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18

Basic Probability Theory (Equaly Likely Principle)

  • FaraDazed
  • · Replies 6 ·
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6

Complex numer express (1+i)^9/(1-i)^9

  • kelvin macks
  • · Replies 1 ·
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1

Inverting the Coefficient Matrix: Solving Systems of Equations

  • Danatron
  • · Replies 10 ·
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10

Please help to find the equation for this hyperbola problem

  • minivan09ia
  • · Replies 3 ·
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3

Maths C Question Im having trouble with

  • Digital Genius
  • · Replies 4 ·
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4

How Do You Solve for b in an Arithmetic Sequence Involving 1/a, 1/b, and 1/c?

  • Digital Genius
  • · Replies 6 ·
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6

Vector & Square Root Question for GCSE Maths

  • tomtomtom1
  • · Replies 9 ·
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9

Partial Fractions - 3 Unknowns

  • BOAS
  • · Replies 7 ·
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7

Prove that all possible lines in function of m form a plane

  • powerof
  • · Replies 5 ·
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5

Finding z1 , z2 of complex numer

  • kelvin macks
  • · Replies 8 ·
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8

Solve Ratio Problem: Minimum Number of Oranges in a Box | 50+ Fruit Pieces

  • tomtomtom1
  • · Replies 6 ·
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6

Quick Tips for Factoring Polynomials: Solving 7x^2-9X-6 Efficiently

  • tomtomtom1
  • · Replies 4 ·
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4

Summation Question: Substituting y=ai+b in c=Σ(i2*yi)?

  • lilly92
  • · Replies 5 ·
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5

I need a multiple for a linear combination

  • BiGyElLoWhAt
  • · Replies 6 ·
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6

Find x for x^(log 5)+5^(log x)=50

  • Govind_Balaji
  • · Replies 18 ·
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18

How does angle of pic provided equal a/2 + 90 degrees?

  • questionaskrr
  • · Replies 5 ·
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5

Help with Finding Angles of an Octagon

  • tomtomtom1
  • · Replies 1 ·
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1

Arithmetic Sequence for homework,im also new to this website

  • Digital Genius
  • · Replies 2 ·
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2

Equation of vector pass thru point

  • kelvin macks
  • · Replies 5 ·
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5

Is My Vector Equation for a Plane Correct Without a Diagram?

  • kelvin macks
  • · Replies 5 ·
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5

What is the relationship between a vector and a plane in terms of parallelism?

  • kelvin macks
  • · Replies 4 ·
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4

Simplifying Square Roots of a Parametrized Path

  • mill
  • · Replies 2 ·
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2

Expand an equation - sum and product

  • Reveille
  • · Replies 14 ·
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14

Finding a Hyperbola w/ 2 given points

  • yopoe
  • · Replies 1 ·
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1

Elementary number theory - prove the following statements

  • Amcote
  • · Replies 4 ·
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4

Finding Cardinality of Power Set

  • crownedbishop
  • · Replies 10 ·
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10

Is the Binomial Theorem Really Worth the Effort to Understand?

  • a1b2c3zzz
  • · Replies 4 ·
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4

Create Your Sundae - 45 Combination Options for Two Scoops

  • chemistry1
  • · Replies 7 ·
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7

How Can Jane Identify Graphs y1 and y3 Among the Functions Given?

  • Gwozdzilla
  • · Replies 5 ·
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5

Finding Matrices E & F: A Matrix Challenge

  • teme92
  • · Replies 5 ·
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5

Linear Algebra-Linear dependence

  • manimaran1605
  • · Replies 1 ·
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1

Partial sum of the harmonic series

  • AwesomeTrains
  • · Replies 4 ·
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4

Solving Equations with Gaussian Elimination: Troubleshooting Mistakes

  • uzman1243
  • · Replies 2 ·
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2

Parametric equation application?

  • lisbon
  • · Replies 4 ·
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4

Solving Trig Applications: Docking Safety in Seaports

  • tsaitea
  • · Replies 3 ·
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3

Finding Slope and Y-Intercept for Points on a Line: A Simple Explanation

  • Doomkiin
  • · Replies 2 ·
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2
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7

Delta-Epsilon Proof: Prove lim_{x\implies 1} \frac{2}{x-3} = -1

  • knowLittle
  • · Replies 2 ·
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2

Prove a complex expression = 1, if log of the complex terms are equal

  • Govind_Balaji
  • · Replies 15 ·
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15

Help with Contact Mechanics Between two Spheres

  • aricleather
  • · Replies 5 ·
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5

Determining Sin wave horizontal shift 'C' value

  • tsaitea
  • · Replies 6 ·
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6

Prove Divisibility: Proving & Disproving

  • knowLittle
  • · Replies 7 ·
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7

Distance from a point in space to a plane given a perpendicular line

  • mill
  • · Replies 1 ·
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1

Is R on S an Equivalence Relation?

  • knowLittle
  • · Replies 5 ·
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5

Completing the squares of a multivariable function

  • pondzo
  • · Replies 1 ·
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1

Show F is Injective & Cardinality of Domain

  • knowLittle
  • · Replies 12 ·
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12

What Is the Probability of Rejecting a Batch with Defective Components?

  • teme92
  • · Replies 3 ·
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3

Probability Problem Homework: Find P(Defective|Test Positive)

  • teme92
  • · Replies 1 ·
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1

Prove Co-Primes: n, n+3 | Math Proof

  • knowLittle
  • · Replies 12 ·
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12

Equation Involving Complex Fraction

  • GabeN
  • · Replies 12 ·
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12

Proving |a-b| ≤ $\sqrt{a^2 + b^2}$ Using Induction

  • knowLittle
  • · Replies 7 ·
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7

What topics are covered in this mathematics exam sample test?

  • payot
  • · Replies 7 ·
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7

Prove Existence of Real Number

  • knowLittle
  • · Replies 10 ·
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10

Understanding Nth Term in Number Sequences

  • tomtomtom1
  • · Replies 2 ·
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2

Permutations and Combinations Problem

  • Appleton
  • · Replies 2 ·
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2

Is Galileo's square-cube law a universal proof of similarity in 2D shapes?

  • adjacent
  • · Replies 14 ·
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14

Is sqrt(6) an Irrational Number? A Proof without Prefix

  • Mr. Fest
  • · Replies 19 ·
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19

Normal Distribution Porbability

  • Calu
  • · Replies 2 ·
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2

Prove Same Cardinality (1,3) and [1,4]

  • knowLittle
  • · Replies 11 ·
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11

Point of intersection between a parabola and a circle

  • sooyong94
  • · Replies 27 ·
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27

Hyperbola Activity: Extending w/ Foci, Assymptotes & Point A

  • thimkepeng
  • · Replies 3 ·
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3

Solve Probability Question: Find r & E[X] = 7.3

  • Calu
  • · Replies 2 ·
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2

Earth angle - Gravity or acceleration?

  • GBSmith
  • · Replies 6 ·
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6

Boolean squaring of adjacency matrix

  • s3a
  • · Replies 6 ·
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6

Show that a line does not intersect a plane (vectors)

  • Jon.G
  • · Replies 3 ·
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3

Basic Algebra: tan δ = 1/wCR | Confirmation Needed

  • rwooduk
  • · Replies 2 ·
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2

Why Doesn't r=a(1+cosθ) Have a Dimple?

  • influx
  • · Replies 3 ·
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3
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1

Geometry and the principles of a spherometer

  • BOAS
  • · Replies 4 ·
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4
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6

Greatest Common Divisor of Four Distinct Positive Integers

  • knowLittle
  • · Replies 5 ·
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5

Somewhat convoluted algebra problem

  • gfd43tg
  • · Replies 1 ·
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1

I'm sorry, I'm not sure I understand your question. Can you clarify?

  • knowLittle
  • · Replies 6 ·
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6

Solving Q1 and Q2 of F(x) = 4x^2+6

  • tomtomtom1
  • · Replies 1 ·
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1

Mod-2 Function of A: Is it a Permutation?

  • Ilikecereal
  • · Replies 2 ·
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2

Using the Double Angle Formula to Solve for Trigonometric Functions

  • teme92
  • · Replies 5 ·
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5

Trig- Sine graph translations question help (C2 A level)

  • bobbricks
  • · Replies 6 ·
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6

Confirming Answers to Homework Questions

  • cosmictide
  • · Replies 2 ·
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2

Basic probability aeroplane engines problem

  • danmanchester
  • · Replies 7 ·
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7

Permutations with Restrictions: Solving a Combination Question

  • member 428835
  • · Replies 11 ·
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11
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3

Questions related to sufficient statistics and confidence interval

  • StudentW
  • · Replies 1 ·
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1

How Do You Calculate Inverse Functions and Their Properties?

  • knowLittle
  • · Replies 4 ·
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4

I'm forgetting my geometry. Can I solve this triangle?

  • dzidziaud
  • · Replies 4 ·
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4
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1