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

Making a smiley face with graphing calculator equations

  • 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
  • · Replies 2 ·
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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

How do you differentiate x^x?

  • pavadrin
  • · Replies 10 ·
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10

Converting 70 micrometers to meters and kilometers

  • 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
  • · Replies 2 ·
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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

Prove A=B given that A ∪ B ⊆ A ∩ B

  • 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

Finding reasons for RO congruent to AR proof

  • xashleyx
  • · Replies 4 ·
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4

What can we conclude if OM bisects LN in triangle LON?

  • xashleyx
  • · Replies 1 ·
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1

Solving the inequality 2x² - x + 1 < 9

  • 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

Triangle with vertices P(-3,1,2), Q(1,-3,-1), R(3,-1,-1)

  • 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

Finding the constant c in an initial value problem

  • 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

Proving two groups are isomorphic

  • seaglespn
  • · Replies 11 ·
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11

Why does the quadratic formula fail for 4x^2 + 5x + 1?

  • FrogPad
  • · Replies 5 ·
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5

What number comes next in the sequence 22272, 24742, 25862766, 2674?

  • 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

How to format the first step into the final answer

  • fork
  • · Replies 2 ·
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2

Maximizing profit on tennis racket production

  • 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

Graphing ellipse 16x^2+9y^2=144 with conflicting axis definitions

  • 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

Finding angle measure without inverse trigonometric functions

  • o0Spartan0o
  • · Replies 3 ·
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3
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3

Finding a recursive formula for nested fraction sequence

  • wayneo
  • · Replies 13 ·
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13

Can You Solve These Advanced Math Problems?

  • tredly18
  • · Replies 5 ·
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5

Simplify log(1-cos x)+log(1+cos x)-2log(sin x)

  • 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
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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

Solving trig equations with the t-method substitution

  • pavadrin
  • · Replies 8 ·
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8

Finding circle radius from intersecting chords with AX=BX=6, CX=4, DX=9

  • John O' Meara
  • · Replies 9 ·
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9

Help simplifying complex fractions

  • ChrisFlory
  • · Replies 5 ·
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5

Minimizing tin cost with volume constraint and doubled metal price

  • danago
  • · Replies 5 ·
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5

How is a logarithm an exponent?

  • Moonseed
  • · Replies 4 ·
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4

Find k for ellipse 3x² + 2y² = k with major axis 6

  • petuniac
  • · Replies 1 ·
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1

Factoring trinomials and finding LCD in algebraic fractions

  • 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

Finding n when 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

230 N box on 5 m inclined plane: force components

  • 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

Converting 200 cubic yards to cubic centimeters

  • Richay
  • · Replies 10 ·
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10

Finding the number of students with no dress code preference

  • heartless
  • · Replies 9 ·
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9

Spider intercepting fly moving horizontally on a wall

  • Aya
  • · Replies 1 ·
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1

Counting divisors of 388,800 from prime factorization

  • nothing123
  • · Replies 12 ·
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12

Finding the area formula for Koch snowflake and antisnowflake

  • 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

Solving 8cos² θ + 7cos θ - 1 = 0 for all angles

  • Byrgg
  • · Replies 5 ·
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5