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

How Do You Solve Trig Identities Using Basic Trigonometric Equations?

  • SirMarksAlot
  • · Replies 5 ·
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5

Locus problem (complex numbers)

  • willat8
  • · Replies 3 ·
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3

Calculate % Change E in Simple Steps: E1, E0, and the Formula

  • Shackleford
  • · Replies 8 ·
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8

Apparently I just dont understand this

  • The_Z_Factor
  • · Replies 3 ·
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3
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1

Is There Special Notation for Circle Geometry?

  • danago
  • · Replies 4 ·
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4

Uniform Convergence: Find Domain of Intervals (a,b)

  • kidsmoker
  • · Replies 1 ·
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1

Solve Preimage Function & Find x-1=e^-x Solution [-2,2]

  • shrody
  • · Replies 1 ·
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1

Solving Quadratic Equations: (t-2)^2=36

  • 1/2"
  • · Replies 4 ·
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4

Trouble finding the Linear Functions that satisfy the given Identity

  • SolXero
  • · Replies 3 ·
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3

Find all solutions of the equation 3sin^2x-7sinx+2=0

  • tennistudof09
  • · Replies 4 ·
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4

Hypothesis Testing: Binomial Experiment

  • quarklet
  • · Replies 1 ·
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1

Law of Sines: Solving Triangles with Ambiguous Cases

  • Stevo6754
  • · Replies 2 ·
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2

Which Triangle has a larger altitude?

  • um0123
  • · Replies 17 ·
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17

Range and inverse of bijective functions

  • MorallyObtuse
  • · Replies 4 ·
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4

Computing with rational exponets

  • Jimmy84
  • · Replies 6 ·
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6

Odd Primes Divisible by Sum of n^p-1 from n=1 to 103

  • icystrike
  • · Replies 2 ·
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2

Which primes p satisfy p^2|5^p^2+1?

  • DianaSagita
  • · Replies 4 ·
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4

Calculating Angular Velocity of a Car with Given Speed and Tire Radius

  • Anakin_k
  • · Replies 3 ·
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3

Solving two absolute value variables.

  • fatcrispy
  • · Replies 7 ·
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7
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3

Can This Summation Formula Generate the Fibonacci Sequence?

  • Vince00
  • · Replies 1 ·
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1

What Are the Ranges of Functions g and h and Their Composite Functions?

  • MorallyObtuse
  • · Replies 4 ·
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4

Concept problems regarding equations of higher degree

  • jeremy22511
  • · Replies 3 ·
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3

Simplifying Factorials: How to Simplify 2n+2!?

  • xXOfNiRXx
  • · Replies 3 ·
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3

Geometry Problem: Does a Plane Exist Where p Non-Intersecting Lines Meet?

  • Geometrick
  • · Replies 1 ·
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1

How to Check Your Answers for Question 1 and Question 2 - Quick Tips

  • r-soy
  • · Replies 5 ·
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5

Finding Exact Values of Trig Expressions w/o Calculator

  • GreenPrint
  • · Replies 3 ·
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3

Finding an angle between two vectors

  • doublemint
  • · Replies 3 ·
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3

How Can You Solve csc(6b+π/8) = sec(2b-π/8) in Trigonometry?

  • Cuisine123
  • · Replies 6 ·
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6

Solving 3x3 Magic Squares: 4/6-Folder Reflection & Found

  • korr2221
  • · Replies 4 ·
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4

Calculating Tsunami Characteristics from Chilean Earthquake Data

  • tennistudof09
  • · Replies 2 ·
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2
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14

Linear algebra, problem with linear maps and their matrices

  • sphlanx
  • · Replies 1 ·
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1

Is Calculating Radian Measure from Arc Length and Radius Correct?

  • jayjohn28
  • · Replies 1 ·
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1

Compute Determinant of Matrix A: max(i,j)

  • iasc
  • · Replies 4 ·
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4
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5

Are the Amplitude and Period Calculations Correct for This Tsunami Model?

  • tennistudof09
  • · Replies 3 ·
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3

Simplfying rational expressions

  • Annie_D
  • · Replies 2 ·
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2

Rational Expressions: Solving Homework with Difficulty

  • Annie_D
  • · Replies 3 ·
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3

Vector geometry, some problems.

  • Gramsci
  • · Replies 1 ·
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1

What is the domain of tan(x/b)?

  • Nope
  • · Replies 3 ·
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3

Function Composition: Solving Quadratic Formulas with Radicals

  • dance_sg
  • · Replies 2 ·
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2

Deriving a Formula for S_{n} in a Recurrence Relation

  • nobahar
  • · Replies 3 ·
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3

Effect of y² and 1/y on oblique asymptotes

  • qazxsw11111
  • · Replies 3 ·
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3

How Do You Calculate Probabilities Correctly in Different Scenarios?

  • qazxsw11111
  • · Replies 6 ·
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6

Why ( 2 + Log5÷log2) Different from ( Log5÷log2 + 2)

  • r-soy
  • · Replies 2 ·
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2

Finding the Sum of a Finite Number of Terms for t = 64/(165+3n)

  • izzleshizzum
  • · Replies 2 ·
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2

How do I type this equation into my calculator?

  • rowdy3
  • · Replies 3 ·
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3

Probability of ijk + mn being Even

  • mplayer
  • · Replies 4 ·
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4

Solving Equations of Planes Parallel to a Line

  • doublemint
  • · Replies 4 ·
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4

What is the equation of a parabola?

  • Jshua Monkoe
  • · Replies 3 ·
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3

Number Theory-limitation of Pn

  • icystrike
  • · Replies 4 ·
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4

Help proving matrix properties:

  • SrEstroncio
  • · Replies 1 ·
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1

Sum and Difference Formulas PROVE

  • ryno16
  • · Replies 2 ·
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2

Statics and use of similar triangles

  • jahlin
  • · Replies 2 ·
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2

Simultaneous Equations: Solving [eq2] and Plugging into [eq1]

  • camino
  • · Replies 1 ·
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1

Finding eigenvalues with the power series method

  • Ready2GoXtr
  • · Replies 1 ·
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1

Math Professors Bowling: Normalcdf Probability Analysis

  • rowdy3
  • · Replies 2 ·
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2

Length of Pulley Belt System: 42.12 cm

  • xortan
  • · Replies 1 ·
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1

Finding Particular Solutions of y''+10y'+25y= 32xe^(-x)

  • wshfulthinker
  • · Replies 3 ·
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3

Logarithmic Help: Solving for z, m & n

  • stosw
  • · Replies 2 ·
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2

Tree Diagram: Travel Itineraries for Pietro

  • Draggu
  • · Replies 1 ·
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1

Confusing Step - Euler's Formula?

  • BustedBreaks
  • · Replies 3 ·
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3

Hypothesis Testing - Basic Theory Question

  • quarklet
  • · Replies 1 ·
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1

Max Area Problem: Find Rectangle w/ Largest Area (400 yrs Fencing)

  • Cstreet09
  • · Replies 10 ·
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10

Linear algebra Homework question

  • Nickcanada
  • · Replies 17 ·
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17

Calculating Percentage of Semi-Circle Outside Inscribed Square

  • um0123
  • · Replies 11 ·
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11
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3

How Can I Solve x^2-xy+y^2+x+y+1=0 for My Math Project?

  • AlanZa
  • · Replies 2 ·
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2

Sets & Notation: Homework Explained

  • Niles
  • · Replies 2 ·
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2

Calculating Angle of Deviation when Building Tilted on Plane

  • doublemint
  • · Replies 2 ·
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2

Solving Matrix Multiplication: A*B^T with A=2,1;5,3 and B=1,-1,1;-1,1,1

  • lagwagon555
  • · Replies 2 ·
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2
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3

Whats the difference between congruent and equal?

  • dnt
  • · Replies 6 ·
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6
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2

Linearity of Functions on Different Graphs

  • nobahar
  • · Replies 4 ·
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4

What is the correct angle between T and U in the cross product?

  • Linus Pauling
  • · Replies 3 ·
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3

Is Sigma(y(n)) Absolutely Convergent if y(n) = O(x(n))?

  • penguin007
  • · Replies 2 ·
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2
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3
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3

How do I simply this (there should be a trig. identity involved

  • Linus Pauling
  • · Replies 1 ·
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1

Linear algebra. Problem with vector spaces dimension

  • sphlanx
  • · Replies 1 ·
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1

What is the smallest interior angle of triangle ABC?

  • ~Sam~
  • · Replies 2 ·
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2

How Many Ways Can Delegates Be Arranged at a Conference Table?

  • Jshua Monkoe
  • · Replies 1 ·
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1

Algebra 4th power weirdness problem

  • sarah22
  • · Replies 2 ·
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2

Linear Math: Find a and b for Point on Line

  • ~Sam~
  • · Replies 1 ·
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1
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1

Proving Divisibility by 9 using Induction

  • holezch
  • · Replies 2 ·
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2

Line segments problem with ratios.

  • bsodmike
  • · Replies 3 ·
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3

How Do Nickels Add Up in Arithmetic Sequences?

  • banditohorse
  • · Replies 22 ·
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22

Understanding Limit Value with L'Hôpital's Rule

  • Amar.alchemy
  • · Replies 2 ·
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2

Radius of circle, given 3 points

  • Paulo Serrano
  • · Replies 8 ·
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8

Simplification of polynomial division

  • MeDiCS
  • · Replies 2 ·
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2

Dividing Polynomials: Solving Average Speed Questions in x+60 Miles Per Hour

  • acuraintegra9
  • · Replies 2 ·
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2

How Do You Solve Complex Polynomial Long Division Problems?

  • acuraintegra9
  • · Replies 6 ·
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6

How Long Does It Take for a Bullet Fired Upward to Fall Back Down?

  • acuraintegra9
  • · Replies 3 ·
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3

Equations & Graphs Homework: Draw y=8-2x

  • DarkPhoenix
  • · Replies 8 ·
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8

Four digit number, digit increasing/decreasing in size

  • Hannisch
  • · Replies 2 ·
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2

Simplifying $\frac{a}{2^a}$ - Limit to 3/4?

  • nobahar
  • · Replies 21 ·
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21