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 Ways Can a Soccer Team Line Up If Two Players Must Stand Together?
- Daaniyaal
- · Replies 2 ·
Why is the coefficient of y important in finding the series for ln(1+x)?
- Miike012
- · Replies 9 ·
How Many 4-Digit Permutations Greater Than 5364 Can Be Formed?
- Daaniyaal
- · Replies 1 ·
Linear Programming Mixture Problem
- TheRedDevil18
- · Replies 6 ·
Need some guidance - Fractions
- MathJakob
- · Replies 5 ·
Find perpendicular line to hyperbola without calculus
- V0ODO0CH1LD
- · Replies 15 ·
Conversion of Temperature Scales
- whoareyou
- · Replies 12 ·
Evaluating the limit of sin(x⁰)/x as x approaches 0
- kashan123999
- · Replies 9 ·
Logical structure of case proof for even or odd integers
- press
- · Replies 2 ·
Exponential functions - which is the better solution?
- Tyrannosaurus_
- · Replies 11 ·
Using exponents and logarithms to calculute pH
- interhacker
- · Replies 3 ·
Using 3 Points to Find Quadratic Equation in General Form
- xpeteyzx
- · Replies 30 ·
What is the solution to the Binomial Theorem problem highlighted in red?
- Miike012
- · Replies 3 ·
How to factor a Cubic Polynomial?
- Hilly117
- · Replies 4 ·
Simplifying (1000)/(π(500/π)^(2/3))
- Nogard
- · Replies 7 ·
Trigonometric equation with tangent
- bigplanet401
- · Replies 2 ·
Show that ax² + 2bx + c ≥ 0 for all x iff b² - ac ≤ 0
- Jbreezy
- · Replies 17 ·
Solving trigonometric equations with a specific range
- needingtoknow
- · Replies 12 ·
How to simplify following trignometric expression
- needingtoknow
- · Replies 4 ·
Derive the general formula of the equation of a circle for the points
- lionely
- · Replies 11 ·
Trig problems giving a hard time.
- labin.ojha
- · Replies 7 ·
Calculating distance between origin and subsequent points
- DaanV
- · Replies 16 ·
Solve for x in exponential function
- cshum00
- · Replies 26 ·
Solving a system of two absolute value equations
- Jim_
- · Replies 3 ·
Write each polynomial as the product of it's greatest common
- MathJakob
- · Replies 16 ·
Finding Absolute Min Value of OP + OQ with Slope m
- RandomGuy1
- · Replies 4 ·
Injevtive/surjective Problem - Algebra
- SclayP
- · Replies 4 ·
Proving Cosine Inequality with Triangles
- Saitama
- · Replies 14 ·
Find the exact value of the trigonometric expression
- QuantumCurt
- · Replies 12 ·
Simplifying a trigonometric expression
- Saitama
- · Replies 6 ·
Why does 1-(1-sinθ) simplify to sinθ not -sinθ?
- A.J.710
- · Replies 7 ·
If you flip a coin 100 times how many times will it land on heads?
- nmanlamb
- · Replies 18 ·
Quadratic Equations - Condition for real roots
- Saitama
- · Replies 14 ·
Is A always equal to zero if it is perpendicular to every vector X?
- Jbreezy
- · Replies 22 ·
Finding diagonal of inscribed rectangle
- Ein Krieger
- · Replies 3 ·
Co-efficient of friction of a uniform ladder leaned on rough wall
- nvjnj
- · Replies 5 ·
Frequent assumption made (z R)
- ShizukaSm
- · Replies 5 ·
Solving 4.4661/n - 2(2.331)1/n + 1 = 0 for n
- Colnago
- · Replies 5 ·
Trigonometric equations - Find the general solution
- Saitama
- · Replies 5 ·
Exponential distribution with average and median
- skrat
- · Replies 7 ·
Find Integer Values of a for Inequality Problem
- Saitama
- · Replies 11 ·
What is the angle of the nth O in a decreasing rate?
- adjacent
- · Replies 8 ·
Trigonometry Algebraic problem
- hunter45
- · Replies 6 ·
Can we use differentiation in Real analysis?
- phydis
- · Replies 8 ·
How to Solve Problem #5 in the 2013 Math Awareness Competition
- Curiousphy
- · Replies 10 ·
I am working though my maths courses
- morbello
- · Replies 8 ·
Finding angle EDB in triangle ABC with angle bisectors
- projjal
- · Replies 17 ·
Express a vector in a rotated coordinate system
- Niles
- · Replies 2 ·
Finding the domain of f(x) = √[(2x+1)/(x³−3x²+2x)]
- nil1996
- · Replies 2 ·
What is the Sixth Digit of a Number That is a Multiple of 73 and 137?
- eightsquare
- · Replies 4 ·
What is the Range of the Given Expression When ##\sin 2\beta≠0##?
- Saitama
- · Replies 6 ·
Derivation of trigonometric identities form rotation on the plane
- Jbreezy
- · Replies 8 ·
Projecting a Vector onto a Plane
- Niles
- · Replies 4 ·
Probability two students being chosen
- songoku
- · Replies 6 ·
Coulomb's Law/Newton's Law of Universal Gravitation (Precalculus?)
- Bill Nye Tho
- · Replies 6 ·
Average distance for network topologies.
- nascentmind
- · Replies 26 ·
Determining the equation of a curve.
- fire9132
- · Replies 4 ·
Why Does Tangent Go To Infinity?
- adelin
- · Replies 5 ·
Loosing solutions in a trig equation
- Appleton
- · Replies 6 ·
What Went Wrong with Solving a Simple Inequality?
- Saitama
- · Replies 7 ·
How can 1.5 ≤ u < r < 2 imply 1 < r < 2 in proving sup(A) = 2?
- phydis
- · Replies 3 ·
Solve x in Equation: (x-1/x)^(1/2)+(1-1/x)^(1/2)=x
- Saitama
- · Replies 5 ·
Find a such that 4x²-4ax+a²-2a+2 has minimum 3 on [0,2]
- Saitama
- · Replies 14 ·
Can You Solve the Inequality x^2 + x < 0?
- adelin
- · Replies 2 ·
Why does log_x(x^n) give different answers with different groupings?
- Tyrannosaurus_
- · Replies 3 ·
Coefficient of Determination( Line Best Fit Error)
- sherrellbc
- · Replies 3 ·
Why does 2^(log₂ n) + kn equal n + (log₂ n) * n?
- theintarnets
- · Replies 5 ·
Adding Water to Car Radiator: 40% or 10% Antifreeze?
- theoristo
- · Replies 3 ·
Formula for adding all positive integers in a given interrval?
- sherrellbc
- · Replies 4 ·
Solving sqrt(a+sqrt(-b))+sqrt(a-sqrt(-b))=4 for integers
- andrewkg
- · Replies 4 ·
Trig identities (is my method correct?)
- supernova1203
- · Replies 6 ·
If a + b + c = 0, then show that
- agoogler
- · Replies 8 ·
Factoring polynomials-Can there be fractions?
- alingy1
- · Replies 6 ·
How Does the Binomial Coefficient Apply to Multiple Outcome Scenarios?
- sherrellbc
- · Replies 4 ·
Vectors, Volume, and plane equations.
- Jbreezy
- · Replies 19 ·
Prove that the two trig identities are equivalent
- QuantumCurt
- · Replies 12 ·
Word problem : Finding the time in which workers can do a job .
- agoogler
- · Replies 10 ·
What is the proof for the sum formula for sines?
- jayanthd
- · Replies 16 ·
How do I rotate a linear function around the z-axis?
- Niles
- · Replies 2 ·
Fastest way to calculate the following equations
- Kyoma
- · Replies 4 ·
What is the area between two circles with a diameter of 10m?
- skybox
- · Replies 6 ·
Finding length of minute hand of clock
- QuantumCurt
- · Replies 8 ·
Solve Work Word Problem: Find Number of Men Deployed by Contractor
- agoogler
- · Replies 4 ·
Trilateration/Measurement of a Separation From A Distance
- chrisa88
- · Replies 10 ·
How do i find the roots of this polynomial?
- iScience
- · Replies 2 ·
Why is angle BAC given if it's not needed for parts a and b?
- Jbreezy
- · Replies 57 ·
Rational root theorem applied to x⁴ - 4x³ + 3x² - 2x + 1 = 0
- Nugso
- · Replies 13 ·
Proving Locus of Middle Points of Chords on Parabola
- Saitama
- · Replies 2 ·
Finding eigenvectors and interpreting matrix diagonalization geometrically
- phospho
- · Replies 5 ·
Equation of the path of the particle
- skybox
- · Replies 4 ·
Deriving trigonometric identities geometrically
- e^(i Pi)+1=0
- · Replies 12 ·
How do you solve an equation from the third power?
- Hivoyer
- · Replies 7 ·
Calculating the Area of a Circle Segment with Given Radius and Angle
- skybox
- · Replies 12 ·
Finding the acute angle between two planes from the dihedral angle
- phospho
- · Replies 1 ·
Solve for a When Parabola y=x^2-a(x+1)+3 Intersects x-Axis Once
- Asla
- · Replies 9 ·
Finding ω¹⁰+ω⁵+3 where ω satisfies x²+x+1=0
- Asla
- · Replies 9 ·
How many integers satisfy x² - 4xy + 5y² + 2y - 4 = 0?
- Asla
- · Replies 10 ·
How to solve and graph the functional equation f(x)=f(y)+cx
- lonewolf219
- · Replies 5 ·
Writing the equation of a transformed exp function given the graph
- needingtoknow
- · Replies 1 ·
Finding Focus Points of Parabolas in Conic Sections
- skybox
- · Replies 8 ·