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 High Must a Parabolic Arch Be for Minimum Clearance Over a Stream?

  • ahmadmz
  • · Replies 9 ·
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9

Finding Centroid and Second Moment of Area for Complex Sections

  • Chantry09
  • · Replies 3 ·
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3

Probability problem, very hard

  • alexis866
  • · Replies 3 ·
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3

Factorials approximation problem

  • karnten07
  • · Replies 1 ·
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1

Canonical Form of Matrices: Understanding and Transforming

  • Physicsissuef
  • · Replies 9 ·
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9

Conversion from Parametric to Cartesian

  • W3bbo
  • · Replies 5 ·
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5

Lengths of line secgment that bisect angle

  • ER901
  • · Replies 1 ·
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1

How can permutations help with counting using probability?

  • musicgold
  • · Replies 4 ·
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4

Vector Subspace U+W = R^4: Solving with Homework Equations

  • Physicsissuef
  • · Replies 28 ·
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28
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1

Exponential Equations: Solving for Unknown Variables

  • projection
  • · Replies 12 ·
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12

Finding Values of 'a' for f ''(x) + f(x)=0

  • oswald
  • · Replies 5 ·
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5

ANOTHER sinusoid graph problem

  • simplyshannon
  • · Replies 15 ·
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15

Math Problem. Cant figure it out but need the answer in like 2 hours

  • BR24
  • · Replies 13 ·
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13

Solve Menelau's Theorem: Negative & Positive Lengths in a Plane

  • disregardthat
  • · Replies 0 ·
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0

Fox Population Sinusoidal Graph and Equation | Endangered Species Prediction

  • Aphrodite08
  • · Replies 2 ·
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2

Are Zero's and Roots the Same Thing?

  • viet_jon
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4
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3
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4

Inverse Function f(x) = ln(e^2x + e^x + 1) Solution

  • Master J
  • · Replies 2 ·
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2

Integrate Partial Fractions: x^3/(x^2-1)

  • Firepanda
  • · Replies 6 ·
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6

Area of Goalbox vs. Area of Penalty Box (rationals)

  • mike_302
  • · Replies 3 ·
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3

What is the value of x in the equation .4 = [20%]/[x]?

  • Tarnix
  • · Replies 6 ·
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6

Graph y=x-|x|: Is There a Solution?

  • mikebc
  • · Replies 8 ·
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8

Silly me: Not thinking straight today: simple questions

  • mike_302
  • · Replies 10 ·
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10
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2
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3

How Does Radian Measure Relate to Sector Area in a Circle?

  • resresd
  • · Replies 9 ·
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9

Circumference of a parallelogram (diagnoals given only)

  • ViresArcanum
  • · Replies 3 ·
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3

How do you use the unit circle to evaluate inverse functions

  • algebra2
  • · Replies 25 ·
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25

Variations without repetition: Solving for 8 people on 12 seats

  • Physicsissuef
  • · Replies 4 ·
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4

How Do You Plot the Curve of a Hyperbola with a Non-Zero Center?

  • mikebc
  • · Replies 6 ·
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6

Solve Proof by Induction: Explain What's Wrong

  • cepheid
  • · Replies 3 ·
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3

How Accurate Is This Trigonometric Solution?

  • Nexus555
  • · Replies 7 ·
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7

Solve the Mystery of Four Numbers with Unusual Sums | Homework Help

  • loves-to-run
  • · Replies 1 ·
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1

Password Combinations: 2 Alphabetic + 3 Digits

  • fionadlegend
  • · Replies 9 ·
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9

Vectors - Projections and Components

  • Altairs
  • · Replies 7 ·
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7

Matrix determinant proof problem

  • hayze2728
  • · Replies 2 ·
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2

Very simple Simplification Question

  • mike_302
  • · Replies 3 ·
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3

Solve Trig Expressions: Inverse Sin and Tan -1/2, Inverse Tan 3/4

  • bdel89
  • · Replies 8 ·
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8

Understanding Gaussian Equation - Practical Uses

  • hysen.gashi
  • · Replies 6 ·
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6

How Can You Transform Sin(t)*Sin(x) into f(x+t)+g(x-t) Using Trig Identities?

  • Bassoonmac
  • · Replies 1 ·
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1

Is This Calculation of Average Rate of Change Correct?

  • Calmwater3000
  • · Replies 1 ·
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1

Solving Basic Transposition Problem: Isolating A and Finding its Value

  • WildFlower
  • · Replies 1 ·
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1

Proving a^0 = 1 for non-zero values of a | Homework Help

  • thinkies
  • · Replies 4 ·
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4

How can I solve fraction problems without a calculator?

  • juniorb0y007
  • · Replies 7 ·
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7

Rationalizing Denominator: What Went Wrong in Multiplying by Conjugate?

  • temaire
  • · Replies 4 ·
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4

Complex Zeros of a Polynomial Function Question

  • jcsolis
  • · Replies 1 ·
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1

Is the Set of Positive Ordered Pairs Closed Under Scalar Multiplication?

  • aznkid310
  • · Replies 7 ·
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7
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1

Solve Logarithm Overkill: Find ln(ln[e^{e^{5}}])

  • danielle36
  • · Replies 9 ·
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9

Geometric Vectors Homework: Get Corrected Answers

  • Macleef
  • · Replies 4 ·
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4

Is L(x,y) a Linear Transformation?

  • aznkid310
  • · Replies 4 ·
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4

*System of equations AND Inequation* (Need help)

  • thinkies
  • · Replies 30 ·
2
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30

Express Area as a function of r

  • rocomath
  • · Replies 12 ·
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12

Setting up formulas, algebra how to? Help needed tonight, please

  • Saturnfirefly
  • · Replies 3 ·
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3

Solving Algebra Homework: 6+X = 3+(X/2)

  • Saturnfirefly
  • · Replies 7 ·
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7

Vector Equation of Straight Line: y=4x+3

  • blackenedrose
  • · Replies 3 ·
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3

Period of f(t) = cos(3\pi t) + \frac{1}{2}sin(4\pi t) | T Calculation

  • ChickenChakuro
  • · Replies 12 ·
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12

Solving Complex Logarithmic Equations

  • duki
  • · Replies 3 ·
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3

Help with a Trigonometric identity

  • questionn
  • · Replies 14 ·
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14

Astronomy Olympiad Estimation Question

  • Himanshu
  • · Replies 8 ·
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8

Dealing with exponent laws (2 simple questions in one thread)

  • mike_302
  • · Replies 6 ·
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6

Radical Equation Tutoring: Expert Solution & Verification

  • scientist
  • · Replies 6 ·
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6

Uncovering the Mystery of Graph 2: Analysis & Explanation

  • temaire
  • · Replies 3 ·
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3

Need to know if I set and got this problem right

  • Amaroq Zev
  • · Replies 3 ·
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3
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4

How can you solve cubic equations in R with multiple variables?

  • santa
  • · Replies 12 ·
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12

(just joined) I with my pre ap precal; angular and linear velocity)

  • Amaroq Zev
  • · Replies 28 ·
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28

4x4 determinant using upper triangular form

  • aznkid310
  • · Replies 2 ·
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2

Combinatorics Homework Help: 12 Workers, 4 Jobs, 277200 Solutions

  • Norway
  • · Replies 3 ·
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3

Complete cycle of a trig function.

  • chay722
  • · Replies 2 ·
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2

Prove that the Given Equation is an (Trig) Identity

  • TbbZz
  • · Replies 6 ·
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6

Mastering Equations: How to Graph x against t with Ease

  • romd
  • · Replies 3 ·
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3

Quadratic equation homework problem

  • jesuslovesu
  • · Replies 4 ·
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4
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4
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6

Infinite geometric series problem

  • sebastianbravom
  • · Replies 5 ·
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5

Sum of the square root of integers from 1 to n

  • Thirit
  • · Replies 2 ·
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2

Trigonometry - finding the appropriate angle

  • david18
  • · Replies 6 ·
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6

Is the Complex Conjugate of Sin Equal to Sin of the Conjugate?

  • Pythagorean
  • · Replies 2 ·
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2

Find a point on the axis of a parabola

  • FedEx
  • · Replies 4 ·
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4

How can I prove this algebraic manipulation equation?

  • Frillth
  • · Replies 4 ·
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4

How do I find the equation of a secant line using two given points?

  • rocomath
  • · Replies 6 ·
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6
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1

Integral of an exponential divided by a root function

  • chaoseverlasting
  • · Replies 3 ·
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3

How Do You Solve Challenging A Level C2 Maths Problems?

  • THC_addict
  • · Replies 2 ·
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2

When should I plug in (x+h) when determining slopes in calculus?

  • Obsidian
  • · Replies 6 ·
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6

How Do You Solve a Polynomial with Two Unknowns and Given Roots?

  • AFG34
  • · Replies 22 ·
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22

Solve Equation: ln(BER/2)=-rT?

  • dervast
  • · Replies 4 ·
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4

How can I use iteration to compute a continued fraction for pi in Matlab?

  • mayeeta
  • · Replies 4 ·
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4

Sum of all integers from n to 2n

  • iamhumble
  • · Replies 7 ·
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7

Proving the Maximum and Minimum Values of Absolute Value Functions

  • silvashadow
  • · Replies 3 ·
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3

Simple question yet oh so hard for me. TT__TT

  • .hacker//Kazu
  • · Replies 3 ·
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3

Discover the Roots of Polynomials: Solving Equations and Finding Values of S_n

  • rock.freak667
  • · Replies 7 ·
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7
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4

Solving Logarithm Overkill: Find Exact Value for ln(ln[e^{e^{5}}])

  • danielle36
  • · Replies 2 ·
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2

Quick help in easy-ish probability

  • rock.freak667
  • · Replies 7 ·
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7

Simple word problem involving exponents

  • danielle36
  • · Replies 3 ·
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3

Are two signals that make up a periodic signal necessarily periodic?

  • ChickenChakuro
  • · Replies 2 ·
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2