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.

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How can I factor a cubic equation by hand to find the x-intercepts?

  • DecayProduct
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(n+1) <100000 how do i find n?

  • hangainlover
  • · Replies 8 ·
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8

Domain of Square Root Function: Solving Inequalities for x ≤ -2

  • Shaybay92
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T = sqrt(m/k)^(1/2pi), solve for k

  • TyErd
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Discovering the Exact Value of sin45: A Trigonometry Homework Guide

  • steve snash
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What is the Range of a Rational Function?

  • FlO-rida
  • · Replies 31 ·
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31

Did I Make a Mistake in my Matrix Multiplication?

  • r-soy
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Converting degrees to radians (in relation to pie)

  • steve snash
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Determining the inverse function for a given function

  • steve snash
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Solve Sequence Question: Find Sum of 2x3x4+3x4x5+4x5x6... to n Terms

  • asd1249jf
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Cross product for parallel vectors

  • adoado
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Independent events in probabilities

  • stevecallaway
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Simplify Fractions: (3-x)(x+2)(2x+9) < 0 | Multiply and Solve

  • MrNeWBiE
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Inequalities in Interval Notation and Distance Comparison

  • MrNeWBiE
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How Do You Use Matrix Inversion to Determine Nutrient Ratios in Food?

  • uselessjack
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4

Determine the rational function that gives the annual cost of a security system

  • BuffaloSoulja
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Converting Velocity from mph to ft/s: How to Rewrite a Constant Formula

  • Ryuk1990
  • · Replies 10 ·
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10

Help in need : Rational functions problem

  • BuffaloSoulja
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Emergency A Half Angle Question.

  • getcarter
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DE Question Moved: How to Extract Information Effectively

  • annoymage
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Solve Inequality: Interval Form Answer | x ∈ [-4, 4]

  • MrNeWBiE
  • · Replies 12 ·
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Permutations and Combinations Question | Unlimited balls of 4 varieties |

  • dharavsolanki
  • · Replies 19 ·
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19

Is the Inverse of a One-to-One Odd Function Also Odd?

  • n-000
  • · Replies 6 ·
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What are the variables at the center of a Gaussian distribution problem?

  • recoil33
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Solving z^3 = i using De Moivre's Theorem

  • Mathysics
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1
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How to simplify: ((sqrt3)/3)+1 /(1-(sqrt3)/3)

  • TyErd
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3

Prove by Induction: 1^2 + 2^2 + ... + (n-1)^2 < (n^3)/3

  • Jimmy84
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Finding the Second Root of a Complex Number Equation

  • Maatttt0
  • · Replies 5 ·
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Computing the range for a rational function involving absolute value

  • Checkfate
  • · Replies 8 ·
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Finding the Centre and Intersection of Circle X2 + y2 + 4x – 16y + 18 = 0

  • Rubydeemer
  • · Replies 3 ·
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Proving \sqrt{3} is Irrational

  • Mentallic
  • · Replies 4 ·
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How does factoring work in algebra and why is it important for calculus?

  • Deicider
  • · Replies 7 ·
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7

Using Argument and DeMoivre's theory

  • cutecarebear
  • · Replies 4 ·
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4

How Many Units Must Plant A Produce to Stay Within Budget?

  • MrNeWBiE
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Solving Best Rentals Car Rental Rates: Equation from Riddle

  • MrNeWBiE
  • · Replies 1 ·
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I'v quistion on Quadratic Functions

  • megatronic
  • · Replies 7 ·
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7

VERY SIMPLE Coordinate Geometry

  • BL4CKCR4Y0NS
  • · Replies 30 ·
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30

Root of equation with 2 exponentials

  • ephedyn
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Probability of a deck of cards

  • jinbaw
  • · Replies 11 ·
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11

Finding the angle without a calculator (CA)

  • PhysicsMark
  • · Replies 2 ·
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Solving Mental Math Questions for Mathematical Methods in Physics

  • PhysicsMark
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5
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Probability of deck of cards question

  • nikk834
  • · Replies 4 ·
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4

Finding a,b from roots of equition

  • MrNeWBiE
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2

Interperating a graph with logarithmic scales

  • ehilge
  • · Replies 3 ·
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Adding Identity Matrix to Matrix: Is 5 a Scalar?

  • thereddevils
  • · Replies 10 ·
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Question related to Absolute Value

  • confusedabout
  • · Replies 6 ·
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Solving for k and m in a Quartic Equation

  • olee
  • · Replies 2 ·
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Finding Sides of an Oblique Triangle with Altitudes

  • darkmagic
  • · Replies 2 ·
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Finding the inverse of a quadratic function?

  • SoConfused__
  • · Replies 3 ·
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Precalculus: proving trigonometric identity

  • jessicagu93
  • · Replies 2 ·
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Factoring Cubic Polynomials/Function

  • CursedAntagonis
  • · Replies 5 ·
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Representation of properties of Complex Numbers in Argand Diagrams

  • imaduddin
  • · Replies 1 ·
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Finding points on a line in 3d

  • Mosier
  • · Replies 2 ·
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Mastering Exponential Variables: How to Solve e^x + e^-x = 4 with Ease

  • Chiborino
  • · Replies 4 ·
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Probability of card shuffling homework

  • nikk834
  • · Replies 1 ·
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Linearly Independent Sets and Bases

  • Hashmeer
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Algebra 1b - System of equations

  • lederhosen
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What are the values of s that make two given vectors orthogonal?

  • vorcil
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Does x Have to be Greater Than 0 If y is Chosen from (0,1)?

  • azay
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Rational Function Application Question

  • Cuisine123
  • · Replies 2 ·
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Square roots of positive numbers

  • bluskies
  • · Replies 4 ·
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Solving for x: PreCalc Question

  • GreenPrint
  • · Replies 1 ·
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1

Solving for x with A, b, and c Given

  • Toby_Obie
  • · Replies 7 ·
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7

What are the possible solutions for the inequality |2x-1|+|x+2|\geq 4x?

  • thereddevils
  • · Replies 3 ·
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Simplifying Summation with Logarithms

  • thereddevils
  • · Replies 3 ·
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Single Trigonometric Functions ( trig identities)

  • imxaxpunk
  • · Replies 2 ·
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Linear Algebra Proof: Invertible Idempotent Matrix Must be Identity Matrix

  • Dosmascerveza
  • · Replies 4 ·
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How do I simplify (v/pi)(2pi/v)2/3 to 2(v/2pi)1/3?

  • JOhnJDC
  • · Replies 5 ·
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5

Question on proving an identity

  • Lazz72
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Question on functions and trigonometry.

  • mgnymph
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2
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Trig identities: does this equal zero?

  • Never.ever
  • · Replies 5 ·
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5
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Book moving and friction problem

  • FizixFreak
  • · Replies 5 ·
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5

Three Equations, Three Unknowns.

  • ƒ(x) → ∞
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1

Solve Angle of Intersection: ABCD & CP-DB in ABCD Square

  • fawk3s
  • · Replies 1 ·
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1

Solving for Kelly and Her Brother's Ages Using a Riddle Equation

  • MrNeWBiE
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K.A.Stroud Maths revision question

  • deian
  • · Replies 2 ·
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Standard deviation and average value

  • pinsky
  • · Replies 2 ·
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Algebraic steps to simplify an equation

  • JOhnJDC
  • · Replies 2 ·
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Is this a variant of Euler's Formula? Understanding e^iy = cosy + isiny

  • SpartanG345
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1
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Math Olympics Problem: Solving Equations with Fractions - Tips & Tricks

  • Someone1348
  • · Replies 1 ·
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Time = distance/speed conversion problem

  • Mathnomalous
  • · Replies 4 ·
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4

Calculating the Exact Value of tan(15)

  • big billy
  • · Replies 2 ·
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2
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Solve Definite Integrals: F(x)=0.5x2-2 & F(x)=x3+x2-6x

  • Sirsh
  • · Replies 7 ·
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7

Solving for Theta: A Physics-Math Dilemma

  • Ryuk1990
  • · Replies 5 ·
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5

GRE Sample Question, explanation? Thanks

  • Brown399
  • · Replies 1 ·
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Need Math help exponents/logarithms word problem

  • larryq37
  • · Replies 3 ·
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Solving Quadratic Equations: Why are Values Negative?

  • Gringo123
  • · Replies 7 ·
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Number of Possible 3-Card Hands with and without Order Consideration

  • r-soy
  • · Replies 10 ·
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Checking Your Answer: Is it Correct or Not?

  • r-soy
  • · Replies 4 ·
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Correcting My Answer: Ensuring Accuracy and Improving Learning

  • r-soy
  • · Replies 6 ·
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I want check A , B in two questions .

  • r-soy
  • · Replies 3 ·
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Solving for r in Geometric Sequences

  • r-soy
  • · Replies 2 ·
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