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

A Dice is rolled til we get two 6

  • RsMath
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Coordinate Geometry- distance between two points

  • zebra1707
  • · Replies 4 ·
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4

Solving Equation with Roots (u/p)+(p/u), (p/q)+(q/p), (u/q)+(q/u)

  • jbar18
  • · Replies 4 ·
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4

Length of AB on Parabola 4x2+7x-1 - Find the Solution

  • chillfactor
  • · Replies 1 ·
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1

Optimization maximum area Problem

  • Saterial
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1

20% of memory chips made in a certain plant are defective.

  • TomJerry
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1
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2

Solve Trig Equation tan 2x = 8cos^2 x - cot x for x 0 ≤ x ≤ pi/2

  • John H
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4

Proving Angle Bisector Problem in Non-Isosceles Triangle

  • llooppii
  • · Replies 1 ·
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1

Tricky logarithmic equation at International Baccalaureate high school

  • physmatics
  • · Replies 14 ·
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14

Discrete Probability - error with question?

  • cyt91
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4

Finding the Equation of a Plane Perpendicular to a Given Line and Plane

  • BraedenP
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3

Solving Logarithmic Equations Involving x & y

  • Twisted--
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4

Expand Polynomials: Finding Coefficients Using Pascal's Triangle

  • NotEnuffChars
  • · Replies 6 ·
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6

The Total Time Spent on the Trip is 9 hours.

  • wowdusk
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1

Relation on a set containing another relation

  • rooski
  • · Replies 13 ·
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13

Double Inequality: Find n0, c1, c2

  • atrus_ovis
  • · Replies 5 ·
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5

Comparing Relations: Symmetry, Antisymmetry, and Transitivity

  • rooski
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1
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11

Find the equation of the parabola

  • rowdy3
  • · Replies 1 ·
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1

When does equality occur in the inequality (a^2+b^2)cos(α-β)<=2ab?

  • harry654
  • · Replies 98 ·
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98

Trig Identity Problem: Finding Theta When Tan(theta) = Cos(theta)

  • TW Cantor
  • · Replies 12 ·
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12

Solve using Determinants and Cramer's Rule?

  • euphoriae
  • · Replies 1 ·
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1

How Do You Isolate Theta in This Trigonometric Equation?

  • Meadman23
  • · Replies 3 ·
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3

Find Array Mapping Homework Solution

  • atrus_ovis
  • · Replies 9 ·
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9

Combinatorics Problem: Forming Coalitions with at least 5 Mandates

  • abcdef123
  • · Replies 3 ·
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3

Proving the Equality of Logarithms with Different Bases

  • TN17
  • · Replies 8 ·
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8

How Many Balls Are in the Base of a Triangular Pile of 120 Balls?

  • KAISER91
  • · Replies 7 ·
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7

Does Geometry Influence Sound Propagation?

  • amd123
  • · Replies 5 ·
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5

Compound Interest Formula and Natural Logarithms

  • adillhoff
  • · Replies 2 ·
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2

Learn How to Solve Equations with Exponential Terms | Homework Help

  • ha.dnri
  • · Replies 1 ·
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1

How Does Polynomial Long Division Validate the Existence of Remainders?

  • osnarf
  • · Replies 4 ·
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4

Using Natural Logarithms to solve for x

  • adillhoff
  • · Replies 2 ·
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2

Find a BASIS for L(S) -The Image of S

  • murielg
  • · Replies 4 ·
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4

Probability exactly one event occurs?

  • bcahmel
  • · Replies 4 ·
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4
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2

Sequence and Series question (maybe)?

  • Echo8
  • · Replies 4 ·
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4

Solving the Equation: sinx - x/2 = 0

  • sporus
  • · Replies 7 ·
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7

What is the relationship between C.D^n.F and A^n in matrix algebra?

  • kasper_2211
  • · Replies 2 ·
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2

Equation for a Tangent Circle on the Y-Axis at (3,7)

  • john560
  • · Replies 11 ·
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11

2nd Level Vectors question. Tan ratios.

  • Darth Frodo
  • · Replies 3 ·
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3

Solve 3 variables with 2 equations

  • abenedet
  • · Replies 6 ·
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6

Prove that the determinants of similar matrices are equal

  • BraedenP
  • · Replies 2 ·
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2

Rotation of Axis and Hyperbolic Sound Travelling Word problem?

  • amd123
  • · Replies 2 ·
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2

Probability density,cumulative function problem

  • atrus_ovis
  • · Replies 2 ·
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2

Find the angle between the lines

  • zorro
  • · Replies 3 ·
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3

Deriving the Distance Between Orthocentre & Circumcentre of a Triangle

  • zorro
  • · Replies 8 ·
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8
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3

Differentiation Help: Find dy/dx of y=4-1/x

  • The riddler
  • · Replies 2 ·
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2

Euclid's Pythagoras Theorem proof

  • zeion
  • · Replies 1 ·
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1

Proving Infinite Solutions for sin(x)=b in R using Contradiction Method

  • madah12
  • · Replies 2 ·
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2

Probability distribution function question

  • atrus_ovis
  • · Replies 1 ·
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1

How can you prove this discrete math induction statement?

  • iPetey
  • · Replies 5 ·
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5

Find a Basis for R^4 Subspace Spanning S

  • xsqueetzzz
  • · Replies 1 ·
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1

Log Explanations for Homework Statement - Inflation & Property Value

  • QuarkCharmer
  • · Replies 9 ·
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9

Triangle Side Lengths: Find the Third Side with 10 and 14 Units & 30° Angle

  • Phanatic 12
  • · Replies 3 ·
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3

Vectors x, y,z rather confusing question.

  • KazuyaXR
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1

Solving PreCalc Problems: Removing Numbers and Simplifying Expressions

  • noobshere2
  • · Replies 6 ·
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6
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1

Solving Series Summation Problem: Start & How-To

  • tykescar
  • · Replies 4 ·
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4

Parts of a cuboid after n cuts

  • gjorgensen
  • · Replies 2 ·
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2

What are the five values of (1+i√3)^(3/5)?

  • juliany
  • · Replies 5 ·
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5

Scalings and translations in graphs

  • Bugsy23
  • · Replies 2 ·
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2

What makes a matrix positive ?

  • Aosunni
  • · Replies 4 ·
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4

Linear Trig Equation Word Problem

  • aeromat
  • · Replies 3 ·
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3

Percent Growth of Exponential Function

  • 3.141592654
  • · Replies 1 ·
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1
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2

Combinatorics - Permutations of abcdefg. Which is right?

  • Alche
  • · Replies 4 ·
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4

Infinite Gradient: Tangent Parallel to Y/X Axis?

  • aurao2003
  • · Replies 1 ·
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1

Solve LOG Problem: Evaluate Log 3 (Base 27) Without Calculator

  • TheNovice
  • · Replies 2 ·
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2

OneFactoring Question: Solving x^3 + x + 2=0

  • Sparky_
  • · Replies 2 ·
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2

Combinatorics Problem: How Many Ways Can I Put K Birds into M Cages?

  • iamalexalright
  • · Replies 4 ·
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4

Evaluating inverse trig function

  • cue928
  • · Replies 4 ·
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4

Find out a function R--> R such that it is integrable

  • ss_1985
  • · Replies 2 ·
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2

Solving the 65050-Digit Prime Puzzle

  • The legend
  • · Replies 15 ·
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15

Urgent help needed: trig function word problem (, thanks in advance)

  • crosbykins
  • · Replies 1 ·
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1

Simplifying a geometric series with an infinity summation bound

  • atrus_ovis
  • · Replies 7 ·
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7

Calculating Stream Width from AB to Point C | Law of Sines Application

  • FawkesCa
  • · Replies 8 ·
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8

Power series: How would you write this off as?

  • Archy
  • · Replies 5 ·
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5

Proof By Induction: Solving (2a+b) + ... + (2na + b) = n(an + a + b)

  • rooski
  • · Replies 2 ·
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2

Finding the Final Velocity unsing a Force by Time Graph.

  • OliTheNinja
  • · Replies 1 ·
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1

Solve for R: e^[(u/e-k)ln s] + v

  • jpd5184
  • · Replies 5 ·
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5

Eigenvalue/Eigenvector by Inspection

  • BraedenP
  • · Replies 2 ·
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2

Graphs to find minimum days for meetings

  • whiteman
  • · Replies 1 ·
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1

Divisibility: Proving That a is Divisible by c

  • rooski
  • · Replies 24 ·
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24

Show that there does not exist x,y,z

  • rooski
  • · Replies 2 ·
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2

How to Prove sin4x/1-cos4x * (1-cos2x/cos2x) = tanx

  • Vee9
  • · Replies 4 ·
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4

Determining logarithm's linearity

  • atrus_ovis
  • · Replies 11 ·
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11

Determine exact values for trigonometry equation

  • Vee9
  • · Replies 3 ·
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3

How to solve this trig equation

  • Vee9
  • · Replies 4 ·
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4

Different identities in one equation

  • TN17
  • · Replies 1 ·
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1
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6

Determine a subset for the function of X -> P(X)

  • hocuspocus102
  • · Replies 24 ·
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24

Solving Trig Equations on Intervals [0, 2Pi]

  • TN17
  • · Replies 6 ·
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6

Finding Probability of Low Cereal Content in Random Selection of Boxes

  • shawnz1102
  • · Replies 2 ·
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2

What is the angle that maximizes R?

  • TN17
  • · Replies 3 ·
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3

Inverting Functions Homework: Find f^{-1}(S) for Sets A, B and S

  • rooski
  • · Replies 5 ·
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5

How to Calculate the Mapping of Points from a Circle to a Tangent?

  • onako
  • · Replies 4 ·
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4

Finding intercepts of a cubic function

  • Arya1127
  • · Replies 2 ·
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2