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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Prove that a square matrix is not invertible iff 0 is an eigenvalue of A
- zeion
- · Replies 23 ·
Probability Question: Cubing 1/3 for 3 Die?
- DarkStalker
- · Replies 4 ·
How Do You Solve for N in the Equation AN^(β) = AN^(β - 1)T^(1-β)?
- tracedinair
- · Replies 3 ·
Factorising / Factoring formulas
- Gringo123
- · Replies 2 ·
Which is larger: 2^500 or 5^200?
- Icelove
- · Replies 1 ·
Expand and simplify this formula
- Gringo123
- · Replies 11 ·
Distance between a point and a line in space
- lockedup
- · Replies 11 ·
Linear Algebra - How to represent this transformation?
- zeion
- · Replies 6 ·
Simple linear algebra refresher?
- medinaj2160
- · Replies 8 ·
Linear Algebra: How to represent this transformation as a matrix?
- zeion
- · Replies 1 ·
Proof on the divisibility of integers
- kolley
- · Replies 1 ·
Expanding and simplifying brackets
- Gringo123
- · Replies 3 ·
Why Does Adding a Bracket Change My Equation Result?
- Gringo123
- · Replies 3 ·
Determinant of a matrix with identity blocks
- penguin007
- · Replies 8 ·
Find the eigenvalues of this endomorphism of R[X]
- penguin007
- · Replies 4 ·
Pythagorean Identities and Equations
- Xhanger
- · Replies 7 ·
How do I sketch the graph of (x+y+3)² + (x-y-3)² = 0?
- elitewarr
- · Replies 7 ·
Parametric Equation of a Line from the intersection of two planes
- Aneeshrege
- · Replies 7 ·
Finding the three roots of 5(x+1)³ = -5
- Fractal314
- · Replies 13 ·
How do I simplify these expressions in my maths test?
- Gringo123
- · Replies 4 ·
Equation for a circle in terms of constants A and B
- RaoulDuke
- · Replies 2 ·
Mathematical Probability Question
- Legendre
- · Replies 7 ·
Conditions for Cubic Equation to Represent Curve
- elitewarr
- · Replies 2 ·
Unsolvable Force Components Problem
- Ryuk1990
- · Replies 7 ·
Solving for v from theta = tan^-1 formula with x and g
- marthkiki
- · Replies 9 ·
Proving GP Sum and Expanding Binomial Formula: 2n, 2x - 3y
- r-soy
- · Replies 1 ·
Proving Bounds on |1+x| when |x-1|<d
- ImAnEngineer
- · Replies 2 ·
Coin arrangement permutations and speed-distance problems
- johnnyies
- · Replies 4 ·
Use the chain rule to find the derivative
- Mathysics
- · Replies 4 ·
Linear Algebra - isomorphism questions
- zeion
- · Replies 1 ·
Linnear Algebra Isomorphisms : prove that f + g is an isomorphism?
- zeion
- · Replies 2 ·
Is Sqrt(x^2) Always Equal to |x|?
- TyErd
- · Replies 1 ·
Area of quadrilateral knowing 3 sides and 2 angles
- j9mom
- · Replies 2 ·
Work Done on Stone: 0 Kinetic Energy Change
- songoku
- · Replies 3 ·
Solving Sin theta Questions: An Example
- GreenPrint
- · Replies 5 ·
How do I approach these problems? Probability
- XodoX
- · Replies 4 ·
Volume of solid from rotating a circular arc sector
- badtwistoffate
- · Replies 13 ·
Statics (smooth pin reaction + tension)
- jegues
- · Replies 1 ·
Easy question calculating uncertainty
- LBRRIT2390
- · Replies 2 ·
Is the Determinant of Vectors A, B, and C Non-Zero for Linear Independence?
- iric
- · Replies 1 ·
What are the answer choices for these natural log and composition problems?
- geegeet
- · Replies 1 ·
Where Can I Find a Table of Exact Values for sin(theta)?
- GreenPrint
- · Replies 5 ·
Perpendicular Bisector & Altitude of Triangle: A(4;2) B(11;6) C(-3;-1)
- adod
- · Replies 2 ·
What does it mean for a set of vectors to span a vector space?
- JFonseka
- · Replies 3 ·
How to sketch y=(-3x^2 +1)/(x^2)
- TyErd
- · Replies 1 ·
How do I sketch the graph y= (2x+5)/(x-1)
- TyErd
- · Replies 1 ·
Solve Slope Intercept Equations: (2,1), 4x-2y=3
- mistalopez
- · Replies 2 ·
Finding the equation of the circle given two points and a tangent line
- SolXero
- · Replies 1 ·
Find values of sin, cos, tan, sec, csc, and cot without a calculator
- Ryuk1990
- · Replies 1 ·
Calculating Probability of Snow in Exactly One of Two Cities
- BrownianMan
- · Replies 2 ·
Solving logarithmic equations with subscripts
- lexpar
- · Replies 17 ·
Tricky precalculus word problem
- hisoko
- · Replies 2 ·
How to use the graph of the distance between any two points
- Juwane
- · Replies 4 ·
Check my derivative homework answers
- Nope
- · Replies 3 ·
Adding fractions and evaluating functions
- Jimmy84
- · Replies 4 ·
How do you transform circles between different radii and centers?
- Mspike6
- · Replies 25 ·
Writing WFFs with exactly two two-place connectives from truth tables
- E92M3
- · Replies 1 ·
Proof: Let C be a Square Matrix, Show if C^(k+1)=0, then I-C is Nonsingular
- Luxe
- · Replies 1 ·
Why use OR instead of AND for x-intercepts in y=(x-2)(x-3)
- TyErd
- · Replies 1 ·
Cutting an Isosceles Triangle in Half
- Denyven
- · Replies 14 ·
Moment about a drum (Answer Check)
- jegues
- · Replies 3 ·
Matrices Proof> C=A-B, if Ax=Bx where x is nonzero, show C is singular
- Luxe
- · Replies 1 ·
Solving 3^(2y+3) = 3^(y+5) for y
- GodOfYou
- · Replies 7 ·
Sketching y = sin(4x)cos(x) from 0 to π/2
- zeion
- · Replies 1 ·
Which statement about f(x)=|2x+4| is false?
- Atheismo
- · Replies 6 ·
Linear Algebra - one to one and onto question
- zeion
- · Replies 1 ·
Linear Algebra - Change of basis matrices and RREF question what in the world?
- zeion
- · Replies 2 ·
Impossible to solve for x. What to do now?
- Juwane
- · Replies 3 ·
Statistics with Baye's theorem and partitions
- rock.freak667
- · Replies 3 ·
Solving for 2Cos(θ)+8Cos(θ)+4=0
- lemon
- · Replies 20 ·
What transformations of y=x² produce y=(5-2x)²+1?
- TyErd
- · Replies 5 ·
Factoring Madness: Intersecting Curves
- zeion
- · Replies 3 ·
Relationship between f(x) and f(1/x)
- Uranium235
- · Replies 2 ·
Help with factoring polynomials: GCF, perfect squares, and grouping
- CamTheLamb
- · Replies 3 ·
How Do You Solve Logarithmic Equations Involving Quadratics?
- storoi1990
- · Replies 4 ·
Sketching these curves is a form of madness! How can I make sense of them?
- zeion
- · Replies 4 ·
Linear Algebra - Linear transformation quesiton
- zeion
- · Replies 1 ·
Converting angle θ = π/6 to polar equation form
- ishanz
- · Replies 3 ·
Simplifying an Expression: (2x^2-3x+1)(4)(3x+2)^3(3)+(3x+2)^4(4x-3)
- Cornraker
- · Replies 4 ·
Equivalent force systems (statics)
- jegues
- · Replies 4 ·
Solve the Science Club Fundraiser Puzzle - Compound Interest
- mathametic
- · Replies 1 ·
How to Verify the 5th Term of the Binomial Expansion of (3-2/x)^9?
- donniemateno
- · Replies 1 ·
Calculating Probability of 6ft Men in Europe
- sunshine111
- · Replies 1 ·
Linear Algebra: Find Matrix Determinant w/o Evaluating Directly
- NeedPhysHelp8
- · Replies 1 ·
How Do You Solve 26cot²Θ = cosec²Θ for -π ≤ Θ ≤ π?
- lemon
- · Replies 20 ·
Probability ice cream flavor problem
- nahanksh
- · Replies 2 ·
What happens to the inequality sign when taking the square of an equation?
- TyErd
- · Replies 8 ·
Simplifying difference quotient.
- mistalopez
- · Replies 3 ·
Find Equation of Parabola Given Zero and Point
- LoveandHate
- · Replies 7 ·
Simplification Through Fundemental Identities
- k_squared
- · Replies 1 ·
Solving 4x^4+25x^2+36=0 for complex solutions
- Cornraker
- · Replies 1 ·
Finding Local Extrema in Polynomial Equations
- alex123aaa
- · Replies 1 ·
Converting astronomical sizes to monetary values using radius ratios
- Freeman Dyson
- · Replies 10 ·
Volumn by cross sections - solving in terms of which axis confusion?
- zeion
- · Replies 3 ·
Does Cross Cancellation Ensure a Group is Abelian?
- BustedBreaks
- · Replies 1 ·
Square root and cube root question
- Mejiera
- · Replies 4 ·
Why this function has an inverse function
- Tevion
- · Replies 14 ·
Centre of gravity of this system of particles
- pinnacleprouk
- · Replies 2 ·