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

Question about Sawtoothwave Function

  • solve
  • · Replies 9 ·
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9

How can I solve this uniform distribution question?

  • jsmith613
  • · Replies 3 ·
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3

Finding line segment length between two fartherst corners of a cube.

  • LearninDaMath
  • · Replies 1 ·
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1

Nickels and Dimes = some amount, how many nickels?

  • LearninDaMath
  • · Replies 2 ·
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2

Modeling Tidal Changes with Cosine Functions

  • jlhmom
  • · Replies 2 ·
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2

Proving Cyclic Quadrilateral: Opposite Angles Sum 180°

  • physics kiddy
  • · Replies 2 ·
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2

Find 4th Tangent for 2 Circles Coordinate Geometry

  • Michael_Light
  • · Replies 9 ·
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9

Solving Trigonometry Problem: sin θ / √1-sin^2 θ

  • luigihs
  • · Replies 6 ·
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6

What is the Probability of Choosing a Burger at a Restaurant?

  • decly
  • · Replies 7 ·
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7

Can a Grasshopper Reach Infinite Points on a Number Line?

  • niwaone
  • · Replies 17 ·
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17

How to Find the Solution to 3^x = x^2?

  • Benn
  • · Replies 4 ·
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4

How Do I Solve Sin A(4.625A + 171.87) = 229.16?

  • ISX
  • · Replies 4 ·
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4

Linear transformation T: R3 -> R2

  • aero_zeppelin
  • · Replies 8 ·
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8

Poisson Distribution for Drill Stock Management

  • jsmith613
  • · Replies 5 ·
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5

How to use Euclids algorithim to find LCM?

  • 0-RWHP
  • · Replies 3 ·
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3

Trig Help: Solve Y=2sec(3x-pi)

  • nando94
  • · Replies 6 ·
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6

How to prove a strictly diagonally dominant matrix is convergent

  • bubokribuck
  • · Replies 1 ·
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1

What is the source of my confusion about inequality?

  • Miike012
  • · Replies 1 ·
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1

Coordinate Geometry: Finding the Locus of a Midpoint on a Curve

  • Michael_Light
  • · Replies 1 ·
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1

What is the distance of the tangent between two circles

  • poioip
  • · Replies 16 ·
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16

Please, check my work on Trig Identities

  • solve
  • · Replies 5 ·
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5

Collinear Vectors: Quick Questions Answered

  • Chris L
  • · Replies 4 ·
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4

Symmetric of a point relative to a line

  • Acut
  • · Replies 4 ·
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4

Can't do this question please someone help

  • bubokribuck
  • · Replies 1 ·
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1

Problem on quadratic polynomial.

  • sankalpmittal
  • · Replies 33 ·
2
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33

Equations Quadratic in Form ;_;

  • Matthewkind
  • · Replies 2 ·
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2

Drawing Modulus Graphs: Step-By-Step Guide with Examples

  • RCB
  • · Replies 15 ·
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15

Basic Algebra Simplifying a complex fraction

  • Femme_physics
  • · Replies 14 ·
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14

Proof of Symmetry for x^2 + 4y^2 = 1 Curve without Graph Drawing

  • hms.tech
  • · Replies 4 ·
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4

Logical solving problems (brainy and tricky)

  • niwaone
  • · Replies 11 ·
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11

X = ((384x/(y+384))*y+384(384x/(y+384)))/384

  • johnnyamerica
  • · Replies 33 ·
2
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33

Math Stellar numbers IB portfolio

  • ihumayun
  • · Replies 8 ·
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8

Exponential grows faster than polynomial

  • koroviev
  • · Replies 2 ·
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2

How Do You Calculate the Number of Microstates in Money Distribution?

  • toreil
  • · Replies 4 ·
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4

How Do You Prove a Sigma Notation Equality Using Induction?

  • jesusjones
  • · Replies 2 ·
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2

Do these 3 systems of equations all all define the same curve?

  • nickadams
  • · Replies 1 ·
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1

Proof of an expression involving absolute value

  • mindauggas
  • · Replies 3 ·
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3

Sinusoidal Wave: What is Time Displacement?

  • greg997
  • · Replies 4 ·
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4

Quick Elementary Combinatorics Question / Verification

  • tylerc1991
  • · Replies 1 ·
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1

Non linear resistance, logs and graph

  • greg997
  • · Replies 7 ·
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7

A somewhat simple Probabilty problem

  • Whitishcube
  • · Replies 11 ·
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11

QUICK QUESTION about matrix (linear algebra)

  • kougou
  • · Replies 4 ·
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4

Proving the Parallelogram Theorem: Sum of Side Squares = Diagonal Squares

  • nickadams
  • · Replies 10 ·
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10

Absolutely clueless on how to do this Geometry Help

  • Frogeyedpeas
  • · Replies 20 ·
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20

Proof of an expression involving absolute value

  • mindauggas
  • · Replies 4 ·
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4

Factoring a third degree polynomial as part of a limits problem

  • EcKoh
  • · Replies 5 ·
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5

Another solving trigomonetry equation for x

  • songoku
  • · Replies 20 ·
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20

Can you simplify 2e^(ln12/2) and 2e^(ln6/2)?

  • jrjack
  • · Replies 10 ·
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10

Algebra - Is it possible to solve it in terms of r?

  • Femme_physics
  • · Replies 8 ·
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8

Set of points specified by x^2 + y^2 <= 4x + 4y

  • nickadams
  • · Replies 4 ·
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4

Locus of points question. (I think?)

  • nickadams
  • · Replies 10 ·
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10

How to calculate the interest forumula

  • Banaticus
  • · Replies 7 ·
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7

Permutation and combination question.

  • vkash
  • · Replies 3 ·
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3

What is an indexed family of sets. I need a simple example

  • Ahmed Abdullah
  • · Replies 7 ·
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7

Proof the trig sum and difference identities

  • nando94
  • · Replies 5 ·
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5

Solving the Mystery: How Long to Complete the Job Alone?

  • mindauggas
  • · Replies 6 ·
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6

Diagonalization, eigenvectors, eigenvalues

  • aznkid310
  • · Replies 4 ·
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4

How do you Simplify 4^(7/3) - 12^(4/3)? Please Step by Step

  • mgmarygg
  • · Replies 3 ·
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3

Find the irreducible quadratic factors of

  • bingo92
  • · Replies 3 ·
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3

Stats - Probability of redrawing a ball (draw, replace)

  • Michael805
  • · Replies 3 ·
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3

Using the series expansion of e^KX, evaluate 2^-3.4 accurate to 3 dp?

  • solve
  • · Replies 6 ·
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6

Solving for x in |x+3|+|x-1|=5

  • nickadams
  • · Replies 4 ·
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4

What are the domain and range of this relation

  • checkitagain
  • · Replies 7 ·
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7

IQ Question on teams and matches

  • physics kiddy
  • · Replies 6 ·
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6

Stats - find the distribution function of an infinite sample space.

  • dtsar
  • · Replies 1 ·
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1

Nature of roots of quadratic equations

  • thornluke
  • · Replies 6 ·
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6

Is there anything wrong with this algebraically?

  • tahayassen
  • · Replies 3 ·
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3

Does Solving x - √2 = 0 Imply x = ±√2?

  • frozonecom
  • · Replies 36 ·
2
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36

Proving LS=RS in Trigonometry?

  • tahayassen
  • · Replies 8 ·
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8

Solving sin2x-tan2x=-2(sinx)^2(tan2x) | Proving Identity Step by Step

  • tahayassen
  • · Replies 8 ·
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8

LHS = (p+1)^2 + (p+1) = p^2 +2p +1RHS= 2^(p+1) = 2^p *2 = 2(p^2 + p)

  • Firben
  • · Replies 5 ·
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5

By choosing a suitable value of x, sum the series

  • bubokribuck
  • · Replies 24 ·
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24

Finding Approximation for X in m^2 $\gg$ $\mu^2$

  • ryanwilk
  • · Replies 7 ·
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7

Calculating tan2x: cosx=12/13, x=[3pi/2, 2pi]

  • tahayassen
  • · Replies 4 ·
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4

Solving for a: A Tricky Trigonometry Problem

  • Zula110100100
  • · Replies 17 ·
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17

Can You Find the Area of an Irregular Square with Given Side Lengths?

  • stglyde
  • · Replies 5 ·
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5

Converting rectangular to polar

  • kElect
  • · Replies 5 ·
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5

How can I express A and B as fractions from c = A b/a + Bd?

  • Monster92
  • · Replies 1 ·
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1

What is the area of this parallelogram?

  • eXoo
  • · Replies 7 ·
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7

A set A of n elements has n(n-1)/2 subsets of 2 elements

  • dpesios
  • · Replies 2 ·
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2

What is the Probability of Choosing the Correct Answer?

  • Miike012
  • · Replies 7 ·
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7

Comparing Line Segments in Triangles

  • zeion
  • · Replies 3 ·
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3

Solving Exercise 5 Algebra II Honors

  • darshanpatel
  • · Replies 14 ·
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14

Is it possible for x to be negative in the equation arcsin x + arcsin 2x = pi/2?

  • Michael_Light
  • · Replies 2 ·
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2

Algebra II Honors Homework Help

  • darshanpatel
  • · Replies 12 ·
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12

Comparing Surface Areas of Two Water Balloons Using a Formula

  • darshanpatel
  • · Replies 3 ·
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3

Find Value of k for Equation 4√x=2x+k: 1, 2, or 0 Solutions?

  • darshanpatel
  • · Replies 7 ·
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7

How to Calculate Population Change in the United States?

  • darshanpatel
  • · Replies 4 ·
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4

What is the Solution to the Logarithmic Discrepancy Equation?

  • physicsdreams
  • · Replies 7 ·
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7

Help Solve Math Homework Qs -3, -1, 1 & CD 2

  • Skaterkid
  • · Replies 3 ·
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3

Solve e^(2 x)-e^x-12 = 0 for x

  • physicsdreams
  • · Replies 3 ·
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3

Are there infinitely many Ulam numbers?

  • pc2-brazil
  • · Replies 9 ·
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9

Find a solution to an equation with 2 variables

  • xeon123
  • · Replies 11 ·
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11

What is the sum of cubes in a series up to 'n' terms?

  • draotic
  • · Replies 1 ·
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1

What Is the Probability That Three Men Will Take the Same Driving Test?

  • Jason Stock
  • · Replies 7 ·
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7

Finding the center of an Ellipse?

  • Cryptologica
  • · Replies 4 ·
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4

Properties of Logarithms, Division and Multiplication

  • Chase.
  • · Replies 1 ·
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1
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6

Solving Simultaneous Equations Using Logarithms

  • synkk
  • · Replies 3 ·
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3

The Mystery: Factoring x²-1 into (x+1)(x-1)

  • goodabouthood
  • · Replies 17 ·
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17