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

Fun Game Theory, Guessing a Number With a Twist

  • Canada_Whiz
  • · Replies 4 ·
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4

How Many Odd 4-Digit Numbers with a 4 Can Be Formed from Digits 0-7?

  • kerrwilk
  • · Replies 1 ·
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1

Finding the Gradient of a Difficult Curve: Tips and Hints

  • don1231915
  • · Replies 3 ·
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3

How many ways to rearrange distinct objects (factorial)

  • zeion
  • · Replies 6 ·
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6

Finding Roots of Complex Polynomials

  • jf623
  • · Replies 9 ·
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9

How Can I Solve This Division Problem?

  • Miike012
  • · Replies 6 ·
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6

Can Matrices AB, BA, CD, and DC be Evaluated?

  • Buster617
  • · Replies 3 ·
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3

Understanding the Length of Axes in an Ellipse Equation

  • kripkrip420
  • · Replies 3 ·
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3

What are the Basics of Factoring and Understanding Proofs?

  • Miike012
  • · Replies 5 ·
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5

How can the Rational Roots Theorem help with factoring?

  • Miike012
  • · Replies 4 ·
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4

Probability of Faulty Battery: Shop 1 vs. Shop 2 - Homework Help

  • matt222
  • · Replies 3 ·
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3

Why is n the number of possible ways to arrange n distinct items?

  • zeion
  • · Replies 3 ·
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3

Factorization Problem: Solve with Expert Help

  • Miike012
  • · Replies 10 ·
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10

Solving for a + d in Algebraic Equations

  • Miike012
  • · Replies 9 ·
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9

Understanding Percentiles: Solving MCQ Homework

  • UNknown 2010
  • · Replies 2 ·
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2

Problem Regarding Inverse Tangents

  • studiousStud
  • · Replies 4 ·
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4

Five persons in a group of 20 are grauduate

  • TomJerry
  • · Replies 2 ·
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2

Puzzling Trig Problem Need Help.

  • armolinasf
  • · Replies 4 ·
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4

Simplifying Boolean Expression with Boolean Algebra

  • ece1111
  • · Replies 2 ·
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2

System of Equations: Solutions with x > 0 & y < 0

  • aldrinkleys
  • · Replies 1 ·
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1

Solve Ratio of x:y:z for y/(x-z)=(y+x)/z=x/y

  • Miike012
  • · Replies 6 ·
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6

Help to prove that an interval will lead to positive functions?

  • mathkillsalot
  • · Replies 10 ·
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10

Finding the area using Pythagoras

  • Tonia96TT
  • · Replies 15 ·
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15

Finding Integers for a Fractional Equation

  • harry654
  • · Replies 7 ·
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7

Geometric Progression nth Term: Formula and Working Example

  • ghostbuster25
  • · Replies 2 ·
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2

What is the Equivalence of Biconditional Connectives?

  • Herricane
  • · Replies 3 ·
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3

Is the solution for this GMAT data sufficiency question correct?

  • Xori
  • · Replies 2 ·
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2

What does ∆ mean in this case?

  • Herricane
  • · Replies 2 ·
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2

Solving the "n" Challenge - Find the Smallest Integer

  • The legend
  • · Replies 6 ·
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6

Numerical value of complex number

  • tomwilliam
  • · Replies 7 ·
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7

Problem in Gama function;can you answer soon.

  • quantum220
  • · Replies 2 ·
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2

Geometric Distribution Question

  • James...
  • · Replies 2 ·
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2

Find nth Term of Series & Sequence: Un = 4(n-1)-1

  • ghostbuster25
  • · Replies 3 ·
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3

Proving the Equality of Ratios: A Mathematical Analysis

  • Miike012
  • · Replies 1 ·
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1

Solving a Jet Speed Problem: Tokyo to Bangkok Distance and Time

  • supernova1203
  • · Replies 9 ·
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9

Does this solution make sense?

  • supernova1203
  • · Replies 1 ·
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1

Understanding Proofs and Problem Solving Techniques | Help and Explanation

  • Miike012
  • · Replies 14 ·
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14

What is the name of this theorem.

  • Miike012
  • · Replies 1 ·
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1

Efficient Algebra Question Solutions: Ratios and Equations

  • Miike012
  • · Replies 22 ·
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22

Proving the Centeredness of Fractions using the Min Function

  • Miike012
  • · Replies 8 ·
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8

Solve Prove: l/x(by+cz-ax)=m/y(cz+ax-by)=n/z(ax+by-cz)

  • Miike012
  • · Replies 17 ·
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17
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2

Solve Corey's Arithmetic Sequence Homework

  • priscilla89
  • · Replies 1 ·
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1

Simplifying/Proving a Trigonometric Question

  • BlackHole213
  • · Replies 3 ·
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3

Solve for x and Find t10 | Arithmetic Sequence

  • priscilla89
  • · Replies 2 ·
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2

Calculating COV(A,B) for a Coin Throw Experiment

  • proaction
  • · Replies 1 ·
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1

Solving Homework Statement: Proving a/b=c/d=e/f to ace/bdf

  • Miike012
  • · Replies 5 ·
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5

Euclid's Proof for Prime Numbers

  • kripkrip420
  • · Replies 10 ·
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10

Help me prove easy algebra problem.

  • Miike012
  • · Replies 12 ·
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12

The Range of a Function in Set Y

  • kripkrip420
  • · Replies 2 ·
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2

Calculating Related Rates: Cone Fluid Flow

  • Miike012
  • · Replies 7 ·
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7

Proof That 1979 Divides p in Math Series

  • oszust001
  • · Replies 2 ·
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2

Rearranging an expression in sqrt argument

  • tomwilliam
  • · Replies 4 ·
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4

Is the Real Number Line Really Infinitely Dense?

  • MathAmateur
  • · Replies 4 ·
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4

Does f(x) = kx^2 - (6k-5)x + 8k + 7 pass through (a,b) and (c,d)?

  • gerimis
  • · Replies 15 ·
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15

Rearranging Young's Modulus Equation for Force: Help Needed!

  • tommowg
  • · Replies 4 ·
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4

What is the Solution to the Equation 2x = x^2?

  • I Like Pi
  • · Replies 11 ·
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11

Factorizing an Algebraic Function

  • lifeiseasy
  • · Replies 2 ·
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2

Polar Coordinate Symmetry with Double Angles

  • PuddySporty
  • · Replies 4 ·
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4

What is the solution to cos[arcsin (-4/5) + arccos (12/13)]?

  • dkotschessaa
  • · Replies 2 ·
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2

Remainder theorem only works with quadratics divided by linear?

  • zeion
  • · Replies 13 ·
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13

Difference of functions thinking problem

  • I Like Pi
  • · Replies 5 ·
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5

Solve matrix equation without the inverses.

  • rapuy
  • · Replies 3 ·
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3

Does Point M Lie on Line BC in This Triangle Bisector Problem?

  • The legend
  • · Replies 18 ·
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18

Solving for invariant points on trig transformations

  • zeion
  • · Replies 7 ·
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7

Can this equation be solved using integer numbers?

  • oszust001
  • · Replies 3 ·
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3

Percentages and fractions - turning them upside down?

  • Spaceghost1
  • · Replies 4 ·
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4

Probability functions in a unit circle

  • atrus_ovis
  • · Replies 3 ·
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3

Proving the Fibonacci Numbers Using Induction

  • rooski
  • · Replies 2 ·
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2

Solving Inequalities: h(t) > 25

  • zeion
  • · Replies 3 ·
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3

Are trig functions polynomial fuctions?

  • zeion
  • · Replies 6 ·
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6

Calculating Population Growth Rate Using Log Equations

  • TN17
  • · Replies 6 ·
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6

Are These Predicate Logic Equivalences Valid?

  • rooski
  • · Replies 3 ·
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3

Set Theory - Proving Contrapositive

  • rooski
  • · Replies 6 ·
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6

Find the equation of the tangent to the curve (sinusoidal function)

  • Saterial
  • · Replies 2 ·
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2

Solving Equation: (1/x)^x - x = 0

  • EL ALEM
  • · Replies 9 ·
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9

Does the Function Have an Inverse? A Theorem for Proving Inverse Functions

  • iloveannaw
  • · Replies 4 ·
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4

Limit of function with rational

  • iloveannaw
  • · Replies 5 ·
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5

What is the Probability Each Player Receives One Black Card in a Card Game?

  • being_doug
  • · Replies 1 ·
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1

Verifying this Trigonometric Identity

  • Ivan92
  • · Replies 2 ·
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2
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2

Probability of a page being free from printing errors

  • shakgoku
  • · Replies 5 ·
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5

How to Solve Quadratic Diophantine Equations in Natural Numbers?

  • oszust001
  • · Replies 5 ·
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5
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6

How Many Paths Can an Ant Take on a Cube with a Black Hole?

  • Canada_Whiz
  • · Replies 6 ·
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6
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7

Quadratic equation to find the roots of cos theta

  • Gyro
  • · Replies 12 ·
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12

Need help: Equation for an S-curve

  • Physiks111
  • · Replies 2 ·
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2

Instead, you should have divided by 3:R2=R2/3-R1/3

  • Airbus
  • · Replies 1 ·
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1

What Is the Solution to This Logarithmic Problem?

  • MajikWaffle
  • · Replies 6 ·
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6

Why Do These Log Equations Have No Solutions?

  • TN17
  • · Replies 2 ·
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2

How do you solve log equations?

  • TN17
  • · Replies 2 ·
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2

Triangle Geometry: Prove AO/AD+BO/BE+CO/CF=2

  • thereddevils
  • · Replies 2 ·
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2

What Is the Potential Difference Across the CRT?

  • dougouk
  • · Replies 3 ·
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3

Creating an exponential equation

  • TN17
  • · Replies 2 ·
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2

Is (h\circ g)\circ f = h\circ (g\circ f)?

  • DaDramaQueen
  • · Replies 1 ·
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1

Solving Logarithmic Equation: Log81x + logx3 = 2

  • valon92
  • · Replies 10 ·
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10

Functions-Domains,Ranges and Subsets.

  • Demoniac
  • · Replies 1 ·
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1

Probability of drawing 2 marbles

  • aaaeee123
  • · Replies 2 ·
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2

How do I solve this quadratic square?

  • fdajkffk
  • · Replies 2 ·
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2