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

Circular motion and linear speed of an object

  • ragbash
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2
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Algebraic Solution for Arcsech(x) = ?

  • ChaoticLlama
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2

The equation of a straight line problems

  • Equilibrium
  • · Replies 6 ·
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6

Quantifier equivalence in set theory

  • GregA
  • · Replies 3 ·
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3

Can you figure this out? (word problem)

  • Put a quark in it
  • · Replies 9 ·
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9

Equation of Line: (-1,2,-3) + t(1,-1,-1)

  • embury
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4

How Do We Calculate Eigenvalues for Different Matrices?

  • shermaine80
  • · Replies 25 ·
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25

Discrete math-counting permutation

  • cak
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2
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5

Need help with Proof and conjugate roots theorem

  • type_speed
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4

Equilateral Triangle Complex Numbers Problem

  • nighthelios
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5

Calculating Probability for Vehicle Traffic at a Dual Carriageway Junction

  • amcsquared
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2

Mean and standard deviation probability help

  • 413
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2

Solving Complex Number Problems: Rectangular and Polar Form

  • Ben_sa
  • · Replies 4 ·
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4

Assigining an equation to this graph

  • danago
  • · Replies 12 ·
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12

Find the Intersection Point of a Line and Plane: Step by Step Guide

  • lakitu
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2

Linear Algebra - Singular Cases

  • dontdisturbmycircles
  • · Replies 7 ·
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7
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4

Linear algebra EA=R factorization question

  • FocusedWolf
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2

Matrix Help: Understanding Parts (a) to (d)

  • shermaine80
  • · Replies 4 ·
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4

Solve Max Area Isoceles Triangle Inscribed in Circle of Radius 4cm

  • dontdisturbmycircles
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4
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5

Solve this limit when x tends to +infinity

  • mohlam12
  • · Replies 4 ·
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4

Solving Math Logic Problems: Adams, Brown & Clark

  • haki
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2

Solve Sin(^6)x + Cos(^6)x Factoring Problem

  • riddlingminion
  • · Replies 5 ·
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5

Trig Quadrant Question: Solving for secx=-5.2, 0≤x≤2π

  • Destrio
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7
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Find the acceleration of the block.

  • candyq27
  • · Replies 3 ·
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3

Which pay scale is better for magazine subscription sales?

  • physicsgal
  • · Replies 12 ·
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12

Proving Linear Dependence of 3 Vectors with 3 Unknowns

  • lo2
  • · Replies 2 ·
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2

Solve Matrix Determinant: Find x,y,z for Invertibility

  • Taryn
  • · Replies 4 ·
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4

Understanding the Rank of a Matrix: Explained Simply

  • Taryn
  • · Replies 4 ·
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4

Arithmetic Series help (AS Level)

  • CathyLou
  • · Replies 9 ·
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9

Solve Fraction Problem: F2 = [ (v + v2)/(v + v1) ] F1

  • sapiental
  • · Replies 1 ·
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1

Solving a Physics Problem Involving Hyperbolic Sines

  • Xkaliber
  • · Replies 10 ·
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10

Linear Equations Solutions: Augmented Matrix and Unknown Variables

  • ultima9999
  • · Replies 1 ·
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1

Roots of a 4th degree polynomial

  • Grantismo
  • · Replies 5 ·
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5

Solving Inequalities in Interval Notation: Where Did I Go Wrong?

  • aeroengphys
  • · Replies 5 ·
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5

Finding Limit for Equation: Step-by-Step Guide

  • Icheb
  • · Replies 1 ·
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1

Solve for x: 0 < x < 2(pie) sin(x)+2sin(x)cos(x)=0

  • seanistic
  • · Replies 9 ·
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9

How Do You Solve a Quadratic Trigonometric Equation?

  • ku07
  • · Replies 4 ·
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4

What is the value of .8^(2/5) when using logs?

  • John O' Meara
  • · Replies 4 ·
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4

Addition formulae - Trig help requested

  • kalistella
  • · Replies 3 ·
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3

Solving Polynomials: Factoring x^3-2x^2-x+2

  • mbrmbrg
  • · Replies 5 ·
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5

Bread Loaf Size Changes with Wheat Price- Trevisio Arithmetic

  • JasonJo
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2

Probability of Winning Prize Behind 3 Doors: 30% or 70%?

  • sapiental
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5
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5

Nonlinear Systems of Equations Question

  • DethRose
  • · Replies 6 ·
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6

What is the formula for finding the sum of an arithmatic series?

  • CathyLou
  • · Replies 10 ·
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10
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1

Help Needed for Probability Problem - 2nd Year Economics Student

  • tunganhtr
  • · Replies 3 ·
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3

How Do I Factorise These Algebraic Expressions?

  • roxas
  • · Replies 5 ·
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5

Need help solving an inequality.

  • Checkfate
  • · Replies 2 ·
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2

Rearranging a formula (segment area)

  • pavadrin
  • · Replies 10 ·
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10

Find Math Software to Ace Calculos AB, BC, Algebra, and Trig!

  • cracker
  • · Replies 2 ·
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2
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13

How Long to Fill an Aquaculture System Using a 200m Long Pipe?

  • majin
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3
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2
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7

Finding the Equation of A Graph using Tangents

  • healey.cj
  • · Replies 5 ·
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5

Finding the Percentage Increase in y When x is Doubled

  • topsyturvy
  • · Replies 1 ·
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How Do You Factorise Polynomial Expressions?

  • roxas
  • · Replies 5 ·
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5

Find the percentage increase in y

  • topsyturvy
  • · Replies 2 ·
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Help with proving identities please

  • nevag07
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4

Combinatorics - Finding all the four digit numbers with a property

  • Sleek
  • · Replies 1 ·
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1

Rotate f(x) over y-axis: Multiply by -1 and Switch y,x

  • barksdalemc
  • · Replies 1 ·
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1

Struggling with Math Structures Homework: Can Someone Help?

  • HIM_Darling
  • · Replies 3 ·
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3

Solve Physics Equation - 6*10^-9 = 2pi*√(m/80)

  • amoateng
  • · Replies 3 ·
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3

What are the real and complex roots of z = exp(-z)?

  • gmans
  • · Replies 3 ·
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3

Simple Vector Proof: sa+ta=(s+t)a, s*(ta)=(s*t)a

  • grimster
  • · Replies 7 ·
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7

Real find both roots of the equation

  • UnD
  • · Replies 5 ·
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5

Did I Prove the Vector Proof Assignment Correctly?

  • EDavis
  • · Replies 3 ·
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3

Integers n and m: Does the Sum of Sines Equal Zero?

  • Xkaliber
  • · Replies 3 ·
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3

Help with a simple probability problem

  • GeoMike
  • · Replies 3 ·
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3

Prove 2^n > 1/2(n+1)² is true help

  • L²Cc
  • · Replies 15 ·
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15

Find the line of intersection between 2 Planes

  • prace
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1

Can a sequence be arithmatic and geometric?

  • tcesni
  • · Replies 9 ·
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9

How Do Fractals Relate to Successive Terms in Mathematical Sequences?

  • L²Cc
  • · Replies 4 ·
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4

Algebra 2 Help: Gas Volume Variation Problem & Solutions

  • GLprincess02
  • · Replies 5 ·
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5

Solving Problems: Rates of Change and Value Adjustments in Math

  • GLprincess02
  • · Replies 7 ·
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7

Why Does Geometric Sequence General Term Formula Use n, Not n-1?

  • L²Cc
  • · Replies 4 ·
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4

Solving for x in Algebra: Cross Multiplication Method Explained

  • Johnnycab
  • · Replies 8 ·
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8

Help Solving Precalculus Cot x + Tan x + 1 Problem

  • pasatom20
  • · Replies 6 ·
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6

Limits of polynomial functinos

  • thomasrules
  • · Replies 4 ·
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4

Average rate of change of a sphere

  • thomasrules
  • · Replies 9 ·
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9

What is the Rate of Movement of a Glacier after 20 Days?

  • thomasrules
  • · Replies 5 ·
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5

Calculate P(x > 2): Binomial Distribution

  • nachelle
  • · Replies 2 ·
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2

Can you help me solve this trig identity question?

  • x.xmedzx.x
  • · Replies 3 ·
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3

Triangle Problem: Calculate Perpendicular Bisector

  • mr.mair
  • · Replies 5 ·
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5

Who Discovered Factoring and Its Origins?

  • Cedar
  • · Replies 4 ·
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4

Crazy Tangent Proof: Solving for $\tan(x-y) + \tan(y-z) + \tan(z-x)$

  • relskid
  • · Replies 7 ·
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7

Solve Precalculus Problem: Perimeter & Area of a Pentagon

  • pasatom20
  • · Replies 3 ·
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3

How Likely Is More Than Two Successes in Six Trials with 10% Success Rate?

  • nachelle
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1

Some questions about my assignment of functions

  • andreipanait
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2

Proving Inverse Tangent Identity: x = 1/2, y = 1/3 vs. x = 2, y = 3

  • m00c0w
  • · Replies 7 ·
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7

How Do You Solve a Fourth-Degree Polynomial Temperature Model?

  • Tzz
  • · Replies 4 ·
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4
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1

Solving Algebraic Equations: How to Solve 0 = 7.5x - 50ln(2x + 1) - 600

  • danago
  • · Replies 2 ·
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2

Trouble with Tangent of a Line

  • thomasrules
  • · Replies 12 ·
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12