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 Many Ways Can You Choose Questions on a History Exam with Restrictions?

  • batballbat
  • · Replies 28 ·
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28

How to Solve for x When y = 2.2 in a Cubic Equation?

  • CrossFit415
  • · Replies 10 ·
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10

What is the value of (±1)(±1)?

  • GreenPrint
  • · Replies 14 ·
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14

Solving Inverse Function f(x) = (3 - e^(2x))^(1/2)

  • Miike012
  • · Replies 4 ·
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4

Solving 1= \frac{2^{x+1}}{x}: Is There a Trick?

  • cragar
  • · Replies 6 ·
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6

Venn Diagram problem (Set Theory)

  • Ascleipus
  • · Replies 35 ·
2
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35

Multistep combinational problem (binomial expansion)

  • niceboar
  • · Replies 8 ·
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8

Inductive proof that (n)^2 >n^n for n≥3

  • fanofphysics
  • · Replies 12 ·
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12

Can I Determine the General Term for this Sequence?

  • Michael_Light
  • · Replies 1 ·
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1

Inverse Function of g(x) at 4 - Solve Algebraically

  • Miike012
  • · Replies 2 ·
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2

Finding Time Given Number Of Trials And Precision

  • lalover
  • · Replies 9 ·
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9

What is the solution to this trigonometric limit problem?

  • chmate
  • · Replies 2 ·
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2

Finding the interval of expression having two quadratic equations.

  • Sumedh
  • · Replies 9 ·
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9

Transforming Vector Equation in ax + by = c

  • Peter G.
  • · Replies 5 ·
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5

Problem on co-ordinate geometry

  • sankalpmittal
  • · Replies 22 ·
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22

Problem finding exterior angle

  • 1/2"
  • · Replies 5 ·
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5

Find the Value os Cos Vectors

  • Peter G.
  • · Replies 8 ·
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8

Simplifying Trigonometric Equations

  • Bogrune
  • · Replies 2 ·
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2

Coordinates of the centroid of the lamina - problem with finding limits

  • Matthias85
  • · Replies 3 ·
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3

Square root in suqare root in square root in square root in

  • songoku
  • · Replies 11 ·
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11

Equation of Plane with Line and Angle Problem

  • chmate
  • · Replies 1 ·
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1

Vector Equations for line passing through a point

  • Peter G.
  • · Replies 1 ·
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1
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6

Help please Find the truth value of the statement:

  • amandamarieve
  • · Replies 4 ·
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4

Trigonometric inequality problem.

  • Michael_Light
  • · Replies 3 ·
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3

Commutative Ring Definition: What is a Commutative Ring?

  • Miike012
  • · Replies 4 ·
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4

Question on estimated uncertainty and significant digits

  • JDoolin
  • · Replies 5 ·
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5

Just a couple of questions on how to type out problems.

  • davie08
  • · Replies 8 ·
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8

How can I rearrange this formula?

  • poloshermanos
  • · Replies 3 ·
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3

Related Rates Problem: 13m Ladder Leaning Against Wall

  • raoulduke1
  • · Replies 1 ·
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1

Proof of symmetric and anti symmetric matrices

  • prawinath
  • · Replies 2 ·
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2

Finding the lifespan of a telescope mirror (probability question)

  • Apple&Orange
  • · Replies 4 ·
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4

Regular Tetrahedron Angle Problems: Finding Angles between Planes and Lines

  • Michael_Light
  • · Replies 1 ·
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1

I honestly cannot believe I am stuck on this.

  • flyingpig
  • · Replies 8 ·
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8

How to Express the force as a Cartesian vector?

  • JON123
  • · Replies 5 ·
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5

Understanding Exponential Growth in a*bcx Model

  • Peter G.
  • · Replies 6 ·
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6

Improve Your Math Skills: Take Math Competition Tests From Your School

  • Miike012
  • · Replies 10 ·
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10

Is t>= 0 = A the Correct Equation for Correcting Math?

  • Miike012
  • · Replies 2 ·
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2
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2

Find angle from velocity and more (ramp)

  • BillNyDaSiGuy
  • · Replies 3 ·
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3

What Steps Solve Modulus Inequalities in Algebra?

  • Sumedh
  • · Replies 5 ·
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5

Troubleshooting a Singular Matrix When Modeling a Curve

  • Peter G.
  • · Replies 2 ·
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2

Solve for x using basic algebraic equations: 2x-x^2=3

  • davie08
  • · Replies 10 ·
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10
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3

Common Trig Identity Derivations

  • david martin
  • · Replies 1 ·
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1

Problem solving radius and area.

  • davie08
  • · Replies 4 ·
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4

Solve for r: h^2+(pie)r=K

  • davie08
  • · Replies 2 ·
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2

Simplify each expression: 2/1+y-2 /2x^3+x

  • davie08
  • · Replies 12 ·
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12

Simplify each expression: 2(4-h)^2-32/h

  • davie08
  • · Replies 8 ·
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8

Two questions about rotation of this line

  • flyingpig
  • · Replies 1 ·
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1

Express as a single term: 1/2x+1 - x/x-1

  • davie08
  • · Replies 2 ·
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2

Solving x^3 < x: What is a systematic way to find the solution set?

  • autodidude
  • · Replies 16 ·
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16

Transforming x^5-x^4-x^3-x^2-x-1 to y^5+2y^2+47y+122

  • footmath
  • · Replies 1 ·
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1

How to Find the Equation of a Perpendicular Line?

  • nae99
  • · Replies 9 ·
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9

Prove that it is smaller than 6

  • Michael_Light
  • · Replies 4 ·
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4

Period of a satellite orbiting Earth

  • fawk3s
  • · Replies 3 ·
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3

Solve Inequality: x^4+6x^3+7x^2-6x-8

  • Sumedh
  • · Replies 9 ·
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9

How Do Ratios of Sides Affect Areas in Regular Polygons?

  • songoku
  • · Replies 6 ·
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6

Solving Matrix Basis Problem with Orthogonal Matrix B | Need Help Urgently

  • Lindsayyyy
  • · Replies 1 ·
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1

Can You Simplify Probability Calculations for Multiple Dice Rolls?

  • ArcanaNoir
  • · Replies 2 ·
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2

Are All Graphs with Asymptotes Hyperbolas?

  • vanmaiden
  • · Replies 12 ·
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12

Exponents with fractions and - sign

  • ttttrigg3r
  • · Replies 8 ·
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8

Graphing 1/x: A Quicker Alternative

  • vanmaiden
  • · Replies 4 ·
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4

Is ln(x)3 the Same as [ln(x)]3? Decoding Logarithm Notation

  • vanmaiden
  • · Replies 4 ·
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4

Cross product of difference and sum of two vectors

  • msslowlearner
  • · Replies 8 ·
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8

Sine rule, the ambiguous case?

  • t_n_p
  • · Replies 15 ·
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15

Pretty difficult trig proof (identity)

  • iRaid
  • · Replies 8 ·
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8

Finding for interval of m in quadratic equation.

  • Sumedh
  • · Replies 4 ·
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4

Cubic Regression: Exponential Growth & Leveling Off

  • ProPM
  • · Replies 8 ·
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8

Prove or Disprove: (n\Pi+\Pi/2)+n\Pi=(2n+1/2)\Pi

  • Tilted
  • · Replies 7 ·
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7

Re-arranging an complicated equation

  • stevemilw
  • · Replies 3 ·
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3

How to find where an ellipse is centered

  • prosoccer747
  • · Replies 2 ·
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2

How to Calculate the Scalar Triple Product in Vector Calculus?

  • chmate
  • · Replies 8 ·
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8

Factorization and Simplifying.

  • AstrophysicsX
  • · Replies 5 ·
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5

Completing the Square: Solving -x^2 + 4x and Finding the Vertex

  • Miike012
  • · Replies 5 ·
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5

Solving for a Constant: I.M Gelfand Trig Exercise 8 Explanation & Hint

  • cyberhat
  • · Replies 2 ·
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2

Conic Equation using a Quadratic Form

  • Apple&Orange
  • · Replies 2 ·
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2

A set of 6 vectors in R5 cannot be a basis for R5, true or false?

  • NewtonianAlch
  • · Replies 3 ·
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3

Help with a simultaneous equation

  • Peter G.
  • · Replies 2 ·
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2

A string is an ordering of letters ILLINOIS a

  • look416
  • · Replies 5 ·
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5

What is the equation of a parallel line?

  • nae99
  • · Replies 1 ·
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1

Difference of two squares considered to be a quadratic

  • vanmaiden
  • · Replies 4 ·
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4

Finding for k in quadratic equation.

  • Sumedh
  • · Replies 7 ·
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7

Simple Boolean Algebra / Propositional Logic Question

  • sunmaz94
  • · Replies 4 ·
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4

Proving the Limit of (x^2-1)=3 using Epsilon-Delta Definition

  • 0range
  • · Replies 5 ·
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5

Modelling an Exponential Curve

  • ProPM
  • · Replies 1 ·
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1

De Moivre's theorem for Individual sine functions. Need help

  • joshnfsmw
  • · Replies 15 ·
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15

Is my proof for (log10 a)/(log10 b) being irrational correct?

  • Thinker8921
  • · Replies 1 ·
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1

Is This Set a Valid Subspace of R^4?

  • NewtonianAlch
  • · Replies 5 ·
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5

Understanding Induction and Finding Formulas for Summations

  • carlosbgois
  • · Replies 3 ·
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3

How do you complete the square when two variable are included?

  • prosoccer747
  • · Replies 9 ·
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9

Three Unknowns and Three Equations

  • Peter G.
  • · Replies 11 ·
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11
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2

How can I solve inequalities involving absolute values?

  • carlosbgois
  • · Replies 3 ·
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3

I really with this Pre Calculus problem =[

  • izzyfashooo
  • · Replies 5 ·
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5

Double Negatives: Is Kaplan PSAT Math Book Wrong?

  • Qube
  • · Replies 5 ·
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5

Expansion of a term with power 2/3

  • quietrain
  • · Replies 5 ·
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5

Can Complex Logarithms Challenge Advanced Math Students?

  • jspen30
  • · Replies 16 ·
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16

More Complex Logarithm and advanced Math Questions

  • jspen30
  • · Replies 4 ·
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4

Solving (e[SUP]i[/SUP])[SUP]i[/SUP]

  • Icetray
  • · Replies 6 ·
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6