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

Tangent and Secant Function Applications

  • TheOmnipotentJuggler
  • · Replies 7 ·
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7

My Maths Project. Kinda Confuse and Lost.

  • Mmx
  • · Replies 4 ·
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4

Solve for H/L Ratio in Equal Tetrahedron

  • chmilne
  • · Replies 4 ·
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4

Creating Fun Graphs with a Graphing Calculator: Tips and Tricks

  • jamondperry
  • · Replies 5 ·
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5

How to Calculate Unit Vector for Mountain Contourlines?

  • hexa
  • · Replies 3 ·
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3

Relative Velocity Bird Flying Problem

  • danago
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2

Find Center of Circle in Parabola y=x^2

  • suspenc3
  • · Replies 2 ·
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2

Must every year have at least one Friday which is on the 13th?

  • Harmony
  • · Replies 6 ·
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6

Modelling with polynomials and rational functions

  • anzgurl
  • · Replies 1 ·
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1

When Does the Particle Pass Through the Origin?

  • anzgurl
  • · Replies 1 ·
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1

Differentiate x^x - Get Help Here!

  • pavadrin
  • · Replies 10 ·
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10

Convert Units: 70 µm to m & km

  • Pencil
  • · Replies 3 ·
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3

Is Bayes Theorem Correct for Calculating Probability of a Bomb?

  • Math Is Hard
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4

Sum of the square roots of the first n natural numbers

  • Amith2006
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2
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3

Verification of simple inequality proof

  • GeoMike
  • · Replies 5 ·
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5

Isoceles triangle in absolute geometry

  • ness9660
  • · Replies 7 ·
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7

Finding the Solution for a Tricky ln Equation

  • dnt
  • · Replies 3 ·
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3

Proving A=B When A U B is a Subset of A Intersect B: Set Theory Explained

  • supasupa
  • · Replies 3 ·
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3

Proving (NOT)P given (P v Q ) -> R, R <-> S, (NOT)S

  • supasupa
  • · Replies 11 ·
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11

Problems with the quotient property of logarithms

  • alancj
  • · Replies 2 ·
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2

How can I prove the trigonometry identity \sin^4 - \cos^4 = 1 - 2\cos^2?

  • pavadrin
  • · Replies 14 ·
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14

How Do You Solve the Equation log(x) = sqrt(log(x))?

  • hmm?
  • · Replies 6 ·
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6

Factoring a 4th degree polynomial

  • mbrmbrg
  • · Replies 7 ·
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7

Prove RO is Congruent to AR: Reasons Explained

  • xashleyx
  • · Replies 4 ·
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4

Proving Congruence of LM & MN with OM Bisecting LN

  • xashleyx
  • · Replies 1 ·
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1

I have a test tomorrow and can't solve this problem

  • Anne_Boleyn
  • · Replies 5 ·
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5

Factorize in Q[x] , R[x] and C[X]

  • kezman
  • · Replies 8 ·
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8

Solving a Triangle: Verifying, Calculating Area & Perimeter, and More!

  • Hollysmoke
  • · Replies 6 ·
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6
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7

Solving for z in C: |z|^2 + |z| - 2 = 0 and z^8 + z^6 + z^4 + z^2

  • kezman
  • · Replies 6 ·
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6
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5
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10

Find the rth term of this sequence

  • Harmony
  • · Replies 1 ·
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1

How Do You Calculate the Radius of a Circle in a Corner?

  • heldensheld
  • · Replies 2 ·
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2

How do I solve this tricky math problem involving sums?

  • seaglespn
  • · Replies 7 ·
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7

Solving Initial Value Problem: Finding c

  • teng125
  • · Replies 9 ·
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9

Use the equation of the straight line to predict future deaths.

  • Gamma
  • · Replies 6 ·
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6
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8

Solving a Group Isomorphism Problem: Can You Help?

  • seaglespn
  • · Replies 11 ·
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11

Solving Quadratic Equation: Explaining Why "a" Must be Equal to 1

  • FrogPad
  • · Replies 5 ·
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5

Solve This Math Puzzle: What Number Comes Next in the Sequence?

  • bblueblob
  • · Replies 7 ·
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7

How Do Row Operations Simplify Calculating a 4x4 Determinant?

  • teng125
  • · Replies 2 ·
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2

Differentiation of an exponential function

  • pavadrin
  • · Replies 6 ·
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6

A Puzzle - Algorithm Needed or Involved?

  • wemack88
  • · Replies 1 ·
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1

Circumference Diameter Ration of A Circle

  • jowell20032004
  • · Replies 1 ·
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1

Solving Tricky Logarithms Problems

  • vijay123
  • · Replies 2 ·
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2

Help Needed: Formatting First Step to Final Answer

  • fork
  • · Replies 2 ·
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2

Linear programming extra credit problem. Help

  • Revolver
  • · Replies 5 ·
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5

Use of differentiation in order to find the minimium value

  • pavadrin
  • · Replies 6 ·
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6

Calculating Exponential Function Increase for Fossil Fuel Use 1990-2010

  • pavadrin
  • · Replies 2 ·
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2

Can a Rational Point Always be Found Amongst a Set of Points in the XY-Plane?

  • Dragonfall
  • · Replies 7 ·
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7

Are These Solutions to Counting Problems Correct?

  • Magotine
  • · Replies 2 ·
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2

Help graphing the equation of an ellipse.

  • alancj
  • · Replies 15 ·
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15

Combinations and their application to probability

  • Beam me down
  • · Replies 3 ·
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3

Counting question - check reasoning

  • Magotine
  • · Replies 1 ·
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1

How Do You Simplify and Solve Logarithmic Equations?

  • vijay123
  • · Replies 14 ·
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14

Solve Obtuse Trignometry Problems - Get a Headstart w/ Vijay

  • vijay123
  • · Replies 8 ·
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8

Calculate the sum of the elements of the U4 set

  • Taviii
  • · Replies 3 ·
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3

Deriving Nth Power of (a+b): Geometrical Methods

  • let_me_think
  • · Replies 4 ·
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4

Solving a Conics Question: Bridge Arch Height at Point 30m from Center

  • msimard8
  • · Replies 1 ·
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1

Find Slope of Tangent Line on f(x) = 3x^2-4x

  • richievuong
  • · Replies 1 ·
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1

Solving for Unknown Numbers in a System of Equations

  • barcat
  • · Replies 26 ·
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26

Help I need to find the angle measure of <ABC.

  • o0Spartan0o
  • · Replies 3 ·
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3
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3

Continued Fractions: Finding tn+1 Formula

  • wayneo
  • · Replies 13 ·
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13

Can You Solve These Advanced Math Problems?

  • tredly18
  • · Replies 5 ·
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5

Simplifying Logarithms: Solving logpie(1-cosx)+logpie(1+cosx)-2logpie sinx

  • star321
  • · Replies 12 ·
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12

Optimisation of a cylindrical container

  • pavadrin
  • · Replies 6 ·
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6

Awkard question with logarithms

  • Byrgg
  • · Replies 34 ·
2
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34

Help! Prove Sum of Arithmetic Sequence's First 13 Elements = 65

  • kippy
  • · Replies 10 ·
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10

Is the Equation x² + y² - 2x + 4y = 0 the Graph of a Circumference?

  • kippy
  • · Replies 13 ·
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13

Creating a non-cubic polynomial

  • rainyrabbit
  • · Replies 4 ·
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4

How to Solve the Equation 2^x^2-3=4^x?

  • star321
  • · Replies 5 ·
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5

How to solve the ODE y' = (4 + y +1)^2

  • mohdfasieh
  • · Replies 1 ·
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1

Mastering "The 't' Method": Solving Trig Equations w/ Pavadrin

  • pavadrin
  • · Replies 8 ·
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8

Calculate Circle Diameter Given Two Chords: AX=BX=6 cm, CX=4 cm, DX=9 cm

  • John O' Meara
  • · Replies 9 ·
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9

Mastering Complex Fraction Simplification for Struggling Students

  • ChrisFlory
  • · Replies 5 ·
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5

Optimizing Price for Tins of Volume 535cm^3

  • danago
  • · Replies 5 ·
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5

Help Understanding What a Logarithm IS

  • Moonseed
  • · Replies 4 ·
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4

Find k for Ellipse with Major Axis Length 6 | Exam Study Help

  • petuniac
  • · Replies 1 ·
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1

Math Struggles: Factorization & LCD

  • Revolver
  • · Replies 1 ·
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1
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2
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2

Getting a solution that contains 40% iodine

  • Richay
  • · Replies 2 ·
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2
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3

Solving Binomial Theorem Qs: If nC0 + nC1 + nC2...+ nCn = 256

  • angel_eyez
  • · Replies 8 ·
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8

Combinatorics, probability and statistics Questions

  • Numbnut247
  • · Replies 2 ·
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2

Can Logarithmic Functions Be Zero or Negative?

  • Byrgg
  • · Replies 3 ·
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3

Need help with Trigo: Inclined Plane and Force

  • dandirom
  • · Replies 1 ·
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1

What is the range and domain of a logarithm function?

  • Byrgg
  • · Replies 33 ·
2
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33

Length of the rope around two circles

  • sssddd
  • · Replies 6 ·
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6

Convert English & Metric Units: 200 cubic yards to cubic cm

  • Richay
  • · Replies 10 ·
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10

Solve Percentage Problem: 900 Students & Dress Code

  • heartless
  • · Replies 9 ·
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9

Pleas help exam tommarow Trigonometry word problems

  • Aya
  • · Replies 1 ·
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1

Counting Divisors of 388,800 | Even and Odd Factors Explained

  • nothing123
  • · Replies 12 ·
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12

Koch's Snowflake & Antisnowflake: Find Finite Area Formula

  • nofx
  • · Replies 1 ·
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1

Find Perpendicular Direction Vector for (1, 5, -1)

  • masterofthewave124
  • · Replies 14 ·
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14

How Do You Find the Vertex and Axis of Symmetry in a Parabola Equation?

  • Alain12345
  • · Replies 1 ·
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1

Is this right? (trig equation)

  • Byrgg
  • · Replies 5 ·
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5