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 Many 4-Digit Permutations Greater Than 5364 Can Be Formed?

  • Daaniyaal
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Linear Programming Mixture Problem

  • TheRedDevil18
  • · Replies 6 ·
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Need some guidance - Fractions

  • MathJakob
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Find perpendicular line to hyperbola without calculus

  • V0ODO0CH1LD
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Conversion of Temperature Scales

  • whoareyou
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Please help me in Evaluating limit of a function sinx^0/x

  • kashan123999
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A little question about a proof

  • press
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Exponential functions - which is the better solution?

  • Tyrannosaurus_
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Using exponents and logarithms to calculute pH

  • interhacker
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Using 3 Points to Find Quadratic Equation in General Form

  • xpeteyzx
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What is the solution to the Binomial Theorem problem highlighted in red?

  • Miike012
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How to factor a Cubic Polynomial?

  • Hilly117
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Not Understanding How this Problem is Simplified

  • Nogard
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Trigonometric equation with tangent

  • bigplanet401
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Proof: Polynomial $a>0$ is Non-Negative for All x

  • Jbreezy
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Solving trigonometric equations with a specific range

  • needingtoknow
  • · Replies 12 ·
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How to simplify following trignometric expression

  • needingtoknow
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Derive the general formula of the equation of a circle for the points

  • lionely
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Trig problems giving a hard time.

  • labin.ojha
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Calculating distance between origin and subsequent points

  • DaanV
  • · Replies 16 ·
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Solve for x in exponential function

  • cshum00
  • · Replies 26 ·
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Algebra with absolute value. Please help me to to solve.

  • Jim_
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Write each polynomial as the product of it's greatest common

  • MathJakob
  • · Replies 16 ·
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Finding Absolute Min Value of OP + OQ with Slope m

  • RandomGuy1
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Injevtive/surjective Problem - Algebra

  • SclayP
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Proving Cosine Inequality with Triangles

  • Saitama
  • · Replies 14 ·
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Find the exact value of the trigonometric expression

  • QuantumCurt
  • · Replies 12 ·
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Simplifying a trigonometric expression

  • Saitama
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Understanding the Distributive Property in Simplifying Expressions

  • A.J.710
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If you flip a coin 100 times how many times will it land on heads?

  • nmanlamb
  • · Replies 18 ·
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Quadratic Equations - Condition for real roots

  • Saitama
  • · Replies 14 ·
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Is A always equal to zero if it is perpendicular to every vector X?

  • Jbreezy
  • · Replies 22 ·
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Finding diagonal of inscribed rectangle

  • Ein Krieger
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Co-efficient of friction of a uniform ladder leaned on rough wall

  • nvjnj
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Frequent assumption made (z R)

  • ShizukaSm
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Trigonometric equations - Find the general solution

  • Saitama
  • · Replies 5 ·
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Exponential distribution, two exercises

  • skrat
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Find Integer Values of a for Inequality Problem

  • Saitama
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What is the angle of the nth O in a decreasing rate?

  • adjacent
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Trigonometry Algebraic problem

  • hunter45
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Can we use differentiation in Real analysis?

  • phydis
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How to Solve Problem #5 in the 2013 Math Awareness Competition

  • Curiousphy
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I am working though my maths courses

  • morbello
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Geometry Problem: ∠EDB in Triangle ABC

  • projjal
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Express a vector in a rotated coordinate system

  • Niles
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What is the Sixth Digit of a Number That is a Multiple of 73 and 137?

  • eightsquare
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What is the Range of the Given Expression When ##\sin 2\beta≠0##?

  • Saitama
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Derivation of trigonometric identities form rotation on the plane

  • Jbreezy
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Projecting a Vector onto a Plane

  • Niles
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Probability two students being chosen

  • songoku
  • · Replies 6 ·
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Coulomb's Law/Newton's Law of Universal Gravitation (Precalculus?)

  • Bill Nye Tho
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Average distance for network topologies.

  • nascentmind
  • · Replies 26 ·
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Determining the equation of a curve.

  • fire9132
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Why Does Tangent Go To Infinity?

  • adelin
  • · Replies 5 ·
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Loosing solutions in a trig equation

  • Appleton
  • · Replies 6 ·
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What Went Wrong with Solving a Simple Inequality?

  • Saitama
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How can 1.5 ≤ u < r < 2 imply 1 < r < 2 in proving sup(A) = 2?

  • phydis
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Solve x in Equation: (x-1/x)^(1/2)+(1-1/x)^(1/2)=x

  • Saitama
  • · Replies 5 ·
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Solving Inequality Problem: Find a for 3 on 0-2 Interval

  • Saitama
  • · Replies 14 ·
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Can You Solve the Inequality x^2 + x < 0?

  • adelin
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Log. functions - comparing solutions, which is best?

  • Tyrannosaurus_
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Coefficient of Determination( Line Best Fit Error)

  • sherrellbc
  • · Replies 3 ·
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Understanding Logarithms: Solving Recurrence Relations Explained | O(n log n)

  • theintarnets
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Adding Water to Car Radiator: 40% or 10% Antifreeze?

  • theoristo
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Formula for adding all positive integers in a given interrval?

  • sherrellbc
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Help finding solutions to sqrt(a+sqrt(-b))+sqrt(a-sqrt(-b))=4 and

  • andrewkg
  • · Replies 4 ·
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Trig identities (is my method correct?)

  • supernova1203
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If a + b + c = 0, then show that

  • agoogler
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Factoring polynomials-Can there be fractions?

  • alingy1
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How Does the Binomial Coefficient Apply to Multiple Outcome Scenarios?

  • sherrellbc
  • · Replies 4 ·
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Vectors, Volume, and plane equations.

  • Jbreezy
  • · Replies 19 ·
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Prove that the two trig identities are equivalent

  • QuantumCurt
  • · Replies 12 ·
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Word problem : Finding the time in which workers can do a job .

  • agoogler
  • · Replies 10 ·
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What is the proof for the sum formula for sines?

  • jayanthd
  • · Replies 16 ·
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How do I rotate a linear function around the z-axis?

  • Niles
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Fastest way to calculate the following equations

  • Kyoma
  • · Replies 4 ·
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What is the area between two circles with a diameter of 10m?

  • skybox
  • · Replies 6 ·
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Finding length of minute hand of clock

  • QuantumCurt
  • · Replies 8 ·
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Solve Work Word Problem: Find Number of Men Deployed by Contractor

  • agoogler
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Trilateration/Measurement of a Separation From A Distance

  • chrisa88
  • · Replies 10 ·
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How do i find the roots of this polynomial?

  • iScience
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Why was ∠ BAC = θ given in this problem?

  • Jbreezy
  • · Replies 57 ·
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Rational Root Theorem Homework: Solving x4 - 4(x3) + 3(x2) -2x +1 = 0

  • Nugso
  • · Replies 13 ·
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Proving Locus of Middle Points of Chords on Parabola

  • Saitama
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Simple Matrix Help: Eigenvectors and Transformations

  • phospho
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Equation of the path of the particle

  • skybox
  • · Replies 4 ·
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Constructing Trigonometric Identities: A Geometric Approach for Solving ODEs

  • e^(i Pi)+1=0
  • · Replies 12 ·
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How do you solve an equation from the third power?

  • Hivoyer
  • · Replies 7 ·
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Calculating the Area of a Circle Segment with Given Radius and Angle

  • skybox
  • · Replies 12 ·
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Solve for a When Parabola y=x^2-a(x+1)+3 Intersects x-Axis Once

  • Asla
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Quadratic Equation Solving: Integer Solutions

  • Asla
  • · Replies 10 ·
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What kind of equation is this and how could I solve it?

  • lonewolf219
  • · Replies 5 ·
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Writing the equation of a transformed exp function given the graph

  • needingtoknow
  • · Replies 1 ·
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Finding Focus Points of Parabolas in Conic Sections

  • skybox
  • · Replies 8 ·
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