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

Will These Numbers Appear in Specific Mathematical Sequences?

  • Aya
  • · Replies 7 ·
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7

Trigonometric Equation: Solving for x with Multiple Angles

  • 01suite
  • · Replies 15 ·
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15

Sequence and series word problem

  • Aya
  • · Replies 4 ·
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4

Proving Rhombus Diagonals Intersect at Right-Angles

  • masterofthewave124
  • · Replies 14 ·
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14

Solve Trig Equation: cos 2x - cos^2x = 0

  • 01suite
  • · Replies 5 ·
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5

Solving Linear Combinations: Collinear & Coplanar

  • masterofthewave124
  • · Replies 11 ·
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11

Determine Right Angle of ΔABC with Vector Methods

  • masterofthewave124
  • · Replies 17 ·
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17

Plotting Graphs: Tips & Shortcuts

  • rishiraj20006
  • · Replies 5 ·
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5

Prove Normal Subgroup When G Order is Twice H Order

  • Nevermore
  • · Replies 1 ·
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1

Vector Equations and Circle Problems

  • pavadrin
  • · Replies 11 ·
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11

Finding the Solution to an Extra Credit Math Problem

  • hmm?
  • · Replies 8 ·
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8

Finding the Obtuse Angle Between Diagonals in a Diagram

  • masterofthewave124
  • · Replies 5 ·
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5
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1

How Is pH Calculated for a More Alkaline Solution?

  • petuniac
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3
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2

How Do You Find the Equation of a Line Given Two Points?

  • pavadrin
  • · Replies 6 ·
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6

Solve Arithmetic Series: Find Sum & Term - Check Answers!

  • Aya
  • · Replies 3 ·
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3

Solving X-Intercepts of 30x^4+23x^3-29x^2+6x/x

  • SwAnK
  • · Replies 2 ·
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2

Question about equations and a matrix

  • finchie_88
  • · Replies 4 ·
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4

Linear dependence/independence

  • masterofthewave124
  • · Replies 5 ·
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5

Things to expect with grade 10 Geometric Sequences

  • wScott
  • · Replies 2 ·
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2

Help with Problem Investigating Structures Made of Unit Rods

  • Carlito1
  • · Replies 1 ·
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1

Parabola conical whatever equations

  • runicle
  • · Replies 4 ·
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4

Inscribing square into parallelogram

  • r4nd0m
  • · Replies 1 ·
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1

Help with gsce irrational number question

  • **bouncey!!**
  • · Replies 7 ·
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7

Finding the Circle that Passes Through Three Points on a Conic

  • RooftopDuvet
  • · Replies 2 ·
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2

Simple equation , need walk through

  • PhillyGixxer
  • · Replies 10 ·
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10

Find 'a' Values for Ax + Y = 7 & 4X + Ay = 19

  • wayneo
  • · Replies 5 ·
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5

What Is the Value of k That Makes This Matrix Non-Invertible?

  • wayneo
  • · Replies 4 ·
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4

Projectile motion skateboarder throws a ball

  • man_united_number_1
  • · Replies 7 ·
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7
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8

Solving Equation Pattern & Creating Graph - N's Question

  • NiennaAncalimon
  • · Replies 2 ·
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2

Weather Forecasting with Probability & Statistics

  • minase
  • · Replies 5 ·
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5

Solving Logarithm Equations: Tips and Hints | TIA

  • swears
  • · Replies 15 ·
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15
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9

Proving Angles in a Circle: Angle 2 is Twice Angle 1

  • Vashti
  • · Replies 2 ·
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2

How to Calculate Distance to the Horizon Based on Height Above Water

  • Alec
  • · Replies 3 ·
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3

Simplifying Algebraic Factoring: Identifying Patterns and Formulas

  • JoshHolloway
  • · Replies 4 ·
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4

Stuck on Math Problem: Find the Integers

  • kuahji
  • · Replies 3 ·
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3

Calculating Divergence of a Function: A Berliner's Struggle

  • Daniel Jackson
  • · Replies 1 ·
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1

4-letter words can be made from pulleys?

  • James_fl
  • · Replies 8 ·
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8
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4

Preparing for Precalculus: What to Know Beforehand

  • amenon
  • · Replies 4 ·
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4

Questions on 2 Vectors: Solving for x & y; Maximum Profit

  • danago
  • · Replies 4 ·
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4

QUESTION 3:Calculate the value of log base 3 of 81SOLUTION:Answer is 4.

  • petuniac
  • · Replies 11 ·
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11

Division with variables (I think I'd call this double division)

  • wScott
  • · Replies 5 ·
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5

How to solve x^x = 13 using logarithms

  • minase
  • · Replies 2 ·
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2

What are the possible values of a for which (5a - 3:7a^2 - a + 1) = 1?

  • kezman
  • · Replies 5 ·
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5

Do Vector Components Always Use Sine for Y and Cosine for X?

  • PhillyGixxer
  • · Replies 3 ·
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3

Strategy of drawing the points of the sequence

  • PPonte
  • · Replies 5 ·
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5

Proving a volume of a cylinder

  • rachael
  • · Replies 7 ·
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7

The Mystery of Carol and Her Father's Ages

  • bindwood
  • · Replies 1 ·
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1

Fourier transform Discreet time-shift

  • electronic engineer
  • · Replies 2 ·
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2

Understanding the Domain of 10/ln x for Confused Learners

  • Rusho
  • · Replies 5 ·
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5

Circle and tangient question, AS core 2

  • Sink41
  • · Replies 4 ·
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4

Optimizing Rectangle Dimensions within a Circle

  • rachael
  • · Replies 2 ·
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2

Calculating Magnitudes and Ratios of Position Vectors on a Line

  • pavadrin
  • · Replies 2 ·
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2

Solving Log6 36 = 5x+3: Can't get the Answer Right

  • Rusho
  • · Replies 7 ·
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7
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1

Application of differentiation

  • rachael
  • · Replies 1 ·
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1

How to approach solving for parallel vectors?

  • pavadrin
  • · Replies 1 ·
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1

How do logarithms and exponential functions relate?

  • acceler8
  • · Replies 3 ·
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3

Is 19.14^n + 1 Always Not Prime?

  • kezman
  • · Replies 13 ·
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13

Exponential and logarithmic properties

  • fisico
  • · Replies 1 ·
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1

Finding x in Radians: A Puzzling Problem for Pavadrin

  • pavadrin
  • · Replies 9 ·
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9

Why is the answer for solving cos2x=cosx not 0°+360k°?

  • WillyTech
  • · Replies 9 ·
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9

How Does Proving A Matrix Is Row Equivalent to the Identity Matrix Work?

  • Anisotropic Galaxy
  • · Replies 3 ·
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3

Probability of World Series Length?

  • blumfeld0
  • · Replies 8 ·
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8

Calculating the Probability of Guessing the 51st Card Color

  • blumfeld0
  • · Replies 17 ·
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17

Mode of 1,1,2,2: Is it 1, 2, Both, or None?

  • r4nd0m
  • · Replies 4 ·
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4

Proving the Formula for the n-th Prime Number using Number Theory

  • eljose
  • · Replies 3 ·
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3

Probability Distribution of 4 Balls: Mean & Variance

  • blumfeld0
  • · Replies 2 ·
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2

Solving Radian Measure Problems for Pavdarin

  • pavadrin
  • · Replies 2 ·
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2

What is considered a high standard deviation?

  • 0TheSwerve0
  • · Replies 3 ·
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3

Trig Problem: Finding Principle Values of x

  • WillyTech
  • · Replies 3 ·
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3

Finding X & Y Intercept of y= cos(e^(-x) + 2)

  • jacy
  • · Replies 11 ·
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11

Can Opposite Angles Determine Special Properties in Quadrilaterals?

  • Benny
  • · Replies 4 ·
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4

Rational Expression Word Problem

  • msimard8
  • · Replies 1 ·
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1

Solving Trig Problems: 1/32(2+cos2x-2cos4x-cos6x) & More

  • Laceylb
  • · Replies 21 ·
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21

Problem Solving question with circles

  • Aya
  • · Replies 4 ·
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4

Trig problem cos (arctan 5/12)

  • jacy
  • · Replies 7 ·
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7
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2

Can You Use Patterns to Find the Last Two Digits of Powers of 4?

  • sparsh
  • · Replies 1 ·
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1

How can I use the Rational Zeros Theorem to factorize cubic functions?

  • danago
  • · Replies 9 ·
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9

How to Create a Triangle with Given Dimensions and Angle?

  • electronic engineer
  • · Replies 13 ·
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13

Solving Subscripted Variable Equations: Formula and Example Problems

  • Richay
  • · Replies 4 ·
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4
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3

Help Solving a Trigonometry Problem - Questions Welcome!

  • hmm?
  • · Replies 6 ·
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6

Uniform Motion Problems Part.2

  • Richay
  • · Replies 2 ·
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2

Analytical Geometry: Recommended Books

  • pokerponcho
  • · Replies 1 ·
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1

Need Help with Mean and Variance Calculations for Distributions?

  • Dr.Brain
  • · Replies 8 ·
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8

Write an equation for the circle

  • Aya
  • · Replies 6 ·
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6

Zero-Mean Data Sets: Removing Trends & Understanding Analysis

  • big man
  • · Replies 1 ·
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1

Word problem/Quadratic equations

  • Richay
  • · Replies 9 ·
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9
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9

Solve Geometry Problem: Find Angle EDC Without Cheating

  • Jameson
  • · Replies 1 ·
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1

Number of Growing Functions in [1,n] -> [1,n]: n^2-1

  • kezman
  • · Replies 17 ·
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17

What Are Your Thoughts on This Simple Circle Problem?

  • soggybread
  • · Replies 3 ·
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3

Calculate Water Volume Needed for Sphere Tank

  • avb203796
  • · Replies 6 ·
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6

How to solve x*a^x=b with math reasoning?

  • raul_l
  • · Replies 4 ·
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4