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 Can You Prove the Angle XCB is 90 Degrees in a Parallelogram?
- ngkamsengpeter
- · Replies 12 ·
Solving -sin(x)-2cos(2x)=0 for x in [0,2π]
- verd
- · Replies 15 ·
Are GPA and Skipped Classes Related Through Conditional Probabilities?
- froggy
- · Replies 1 ·
Which of these simpifications is correct?
- bill nye scienceguy!
- · Replies 3 ·
Linear Algebra augmented matrix
- ultima9999
- · Replies 8 ·
Finding the angle between a radius and the x-axis in a circle
- oooo
- · Replies 2 ·
What is the Domain of x^2-6x+9 / x^2?
- Rusho
- · Replies 6 ·
Finding a Heading and Trip Time From City A to City B
- James_fl
- · Replies 1 ·
Why Do Logarithmic Graphs Vary Despite Similar Equations?
- SwAnK
- · Replies 2 ·
What is the Value of f(43) for a Function with a Period of 12?
- Aya
- · Replies 7 ·
What is the formula to find the Zeros of this?
- konartist
- · Replies 11 ·
Proving three trigonometric identities with cos³X and cotX
- thunder
- · Replies 13 ·
How can you rationalize the denominator of a fraction with a radical?
- Richay
- · Replies 10 ·
How Do You Calculate the Inverse of a 2x2 Matrix?
- lakitu
- · Replies 9 ·
Derivatives and Velocity in Dynamical Magnetism - Solving a Physics Problem
- moo5003
- · Replies 3 ·
How to evaluate a 3x1 matrix
- lakitu
- · Replies 6 ·
Simplifying Algebra: Grade 11 Maths Q
- jamie_23
- · Replies 6 ·
Solving Matrices Question: Evaluate AB
- lakitu
- · Replies 2 ·
Find the approximate annual percentage rate
- KRISTENJ
- · Replies 1 ·
Counterexamples for injectivity and surjectivity of product functions
- JasonJo
- · Replies 6 ·
Question on a formula for Pascal's Triangle
- smallbadwolf
- · Replies 7 ·
Vectors - show that the lines intersect
- smn
- · Replies 11 ·
When will $800 at 8% equal $1000 at 6% compound interest?
- ohlhauc1
- · Replies 3 ·
How Do You Draw and Calculate Unit Vectors for Gradients?
- hexa
- · Replies 2 ·
Solving Algebra Equation: 3y + (y*Pie)/2 = 62
- Stilts
- · Replies 6 ·
Sketch Graphs of y= (1-x)x^1/2, y^2 = (1-x)x^1/2, etc. - Sparsh
- sparsh
- · Replies 13 ·
Solving Probability Questions: Understanding Common Pitfalls and Approaches"
- froggy
- · Replies 5 ·
Can you find the general formula for A_n+3?
- kezman
- · Replies 8 ·
How Do You Visualize a Vector Field Like v(x, y) = (2.5, -x)?
- hexa
- · Replies 1 ·
Solve x^2 + (-1/2x + 5)^2 = 25
- Spruance
- · Replies 3 ·
Finding the error in a multi-step linear equation for A
- Andreii
- · Replies 16 ·
Another proof: Do I still have more work to do?
- GregA
- · Replies 13 ·
How Do You Calculate the Probability of Multiple Seeds Sprouting?
- orchdork89
- · Replies 8 ·
What's wrong with my proof of |z + z̄| ≤ 2|z|?
- ramble
- · Replies 7 ·
Powers of sums/Fractional exponents
- Richay
- · Replies 7 ·
Finding distance from a point to a plane using vectors
- fanizza2
- · Replies 3 ·
Contour: Constructing a Contour Map from h(x,y) = x^2 + y
- hexa
- · Replies 2 ·
Geometry (circles and triangles) proofs
- Beam me down
- · Replies 9 ·
Proof By Induction (simple one for all but me)
- GregA
- · Replies 2 ·
Switching Order of Indices in Summation Notation
- Benny
- · Replies 6 ·
How Do You Calculate the Cost of a Phone Call with a Piecewise Function?
- Rusho
- · Replies 1 ·
Finding unknown functions in composite function equations
- F.B
- · Replies 2 ·
Different forms of linear equations
- Beam me down
- · Replies 3 ·
Why does using b=67 give the wrong answer for plane velocity?
- danago
- · Replies 8 ·
What is the difference between density and distribution?
- loom91
- · Replies 2 ·
Savings account simple interest problem
- heels_overhead
- · Replies 7 ·
Rate of change from 0 to x 2x^2 + 3x
- Rusho
- · Replies 8 ·
Two boats moving along straight paths with position vectors
- danago
- · Replies 7 ·
Geometry: Area of Trapezoid Circumscribed About A Circle
- Yuki
- · Replies 2 ·
When does the inverse of g(x)=4(x-3)^2+1 fail to be a function?
- msimard8
- · Replies 2 ·
Cubic function factored with zeroes
- endeavor
- · Replies 12 ·
Rate of change from 1 to 2 for f(x)=2x^3 + x
- Rusho
- · Replies 12 ·
I need to find a unit vector perpendicular to vector b
- danago
- · Replies 10 ·
Discriminants - When will a quadratic equation have 2 real solutions
- danago
- · Replies 4 ·
An exponential problem and a trig problem
- Kb1jij
- · Replies 7 ·
CONSTRUCTIONS of a+b,ab,a/b,a-b, a^(1/2)
- calvino
- · Replies 1 ·
Imaginary numbers entertwined with quadratics
- runicle
- · Replies 9 ·
Is There a Trick to Solve for Theta in this Algebraic Equation?
- scavok
- · Replies 3 ·
How can exponents be simplified?
- Thunderer
- · Replies 2 ·
Are Functions Continuous at a Cusp or Corner?
- Rozy
- · Replies 4 ·
How Do You Calculate the Altitude of a Plane Using Trigonometry and Speed?
- physstudent1
- · Replies 1 ·
Finding surface area of a sphere
- bblueblob
- · Replies 4 ·
Can some put this into an equation
- smbascug
- · Replies 1 ·
Linear equations from two and four points on a plane
- lezardo
- · Replies 2 ·
Find the range for the function
- jesuslovesu
- · Replies 2 ·
Finding m in quadratic equation 12x^2 + 8mx + (4m-3) = 0
- danago
- · Replies 2 ·
Solving cubic equation with matrices
- Beam me down
- · Replies 3 ·
Problem Solving with Probability
- Raza
- · Replies 7 ·
Find the Answer to Ambigous Triangle Questions Involving Angles < 90°
- Aya
- · Replies 1 ·
Simplifying factorial expressions without factorial symbols
- funktion
- · Replies 7 ·
Multiplying Rational Expressions
- wScott
- · Replies 3 ·
What is the meaning of the v and w columns in a finite state machine example?
- prevail
- · Replies 2 ·
Finding the Point of Tangency Theoretically
- SwAnK
- · Replies 3 ·
Proving A,B and C are Collinear
- danago
- · Replies 5 ·
How does Euclid's algorithm work with modulo n remainders?
- skook
- · Replies 1 ·
Finding the discriminant and roots of y = x^2-8x+7
- Joebird
- · Replies 15 ·
Finding how many students passed both maths and French
- John O' Meara
- · Replies 3 ·
Solving a Polynomial Equation using quadratic techniques.
- alancj
- · Replies 21 ·
Drawing ambiguous triangles with law of sines and cosines
- Cosmo16
- · Replies 8 ·
Fixed Points and Critical Points in Continuous Scalar Functions
- Benny
- · Replies 3 ·
Separating variables in differential equations
- kape
- · Replies 3 ·
Natural log real life application
- Nerpilis
- · Replies 5 ·
Evaluating Tanx + Cosx/Sinx = Secx + Cotx
- heelp
- · Replies 2 ·
Flight Matrix: Passenger Count and Ticket Prices for Paris Flights
- John O' Meara
- · Replies 1 ·
Finding Mars' maximum orbital distance from eccentricity
- sportsguy3675
- · Replies 17 ·
Nightmares with formal proofs in set theory
- JasonJo
- · Replies 3 ·
Possible imaginary zeros of x^4+3x^3+7x^2-6x-13
- alancj
- · Replies 20 ·
Trying to teach myself equations
- Vincent Vega
- · Replies 20 ·
Limit as x approaches k of (x√x - k√k)/(x⁴ - k⁴)
- mohlam12
- · Replies 10 ·
Exponential problem with E. coli
- rachael
- · Replies 5 ·
How Do You Prove Power Set Equations for Sets A and B?
- JasonJo
- · Replies 3 ·
How Do I Graph the Exponential Decay of Sugar in Water?
- rachael
- · Replies 2 ·
Differntiating natural logs of x and y functions
- bob4000
- · Replies 6 ·
Solve Linear Programming Problem: Maximize File Storage
- dnt
- · Replies 5 ·
Simplifying sin(3pi/2-x): An Exploration
- rachael
- · Replies 6 ·
Tangent Line Equation for f(x) = √x+1 Parallel to x-6y+4=0
- Christina-
- · Replies 4 ·
How Does the Function x/(x^2-4) Behave at Infinity?
- soggybread
- · Replies 1 ·
Solve Radical Equation: (2 root 3 + 3 root 4)/-5
- wScott
- · Replies 6 ·