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 Possible Passwords Meet Specific Criteria in a Bank Security System?
- adcruze
- · Replies 12 ·
What is the Argument of a Complex Expression?
- f(x)
- · Replies 7 ·
Solve Matrix Application for Single Women's Poll Answers
- kuahji
- · Replies 5 ·
Statistical study of Kolkata school exam results by gender and subject
- loom91
- · Replies 4 ·
General Form of equation for a Circle
- Saladsamurai
- · Replies 2 ·
Completing the square (How to)
- danielle36
- · Replies 17 ·
A short one on matrix multiplication
- Päällikkö
- · Replies 8 ·
Rational Functions with Vertical and Horizontal Asymptotes: Finding the Equation
- a150daysflood
- · Replies 6 ·
Intersections of a line and a curve
- ehrenfest
- · Replies 3 ·
Verifying Binomial Equations Easily
- ehrenfest
- · Replies 2 ·
Skew-symmetric matrices problem ?
- ngkamsengpeter
- · Replies 5 ·
Disambiguating arccosine/arcsine functions
- techninja
- · Replies 7 ·
Understanding Vandermonde's Identity: Explanation and Proof
- Chromium
- · Replies 2 ·
What Is the Probability of Winning a Prize in Tattslotto?
- pivoxa15
- · Replies 6 ·
How Many Ways Can Tools Be Arranged on a Rack with Restrictions?
- pivoxa15
- · Replies 3 ·
What Is the Probability of Two Specific People Sitting Next to Each Other?
- pivoxa15
- · Replies 2 ·
Finding the General Term for a Sequence with a Given Sum?
- LAdidadida
- · Replies 2 ·
How Many Unique Circular Arrangements for the Word POTATOES?
- pivoxa15
- · Replies 1 ·
Polynomial of degree 5 with roots 2, √7, 5i, and -5i
- Mr. Mathmatics
- · Replies 9 ·
Arranging Letters of ABRACADABRA Without C, R, D Together.
- pivoxa15
- · Replies 2 ·
Simple minimum/maximum problem
- John O' Meara
- · Replies 4 ·
Solving for x in a trinomial that has a GCF
- danielle36
- · Replies 2 ·
Angular properties of quadrilaterals
- Defennder
- · Replies 5 ·
Fun with counting and modular arithmetic
- Chromium
- · Replies 2 ·
What is the Value of m in These Equations?
- elementals_i
- · Replies 2 ·
What is the purpose of polynomials and why are they important in various fields?
- leanne_19
- · Replies 3 ·
Interesting number theory question
- lugita15
- · Replies 3 ·
Adding logarithms with different bases
- ll-Angel-ll
- · Replies 17 ·
How many ways to choose 3 cards
- emma007
- · Replies 7 ·
Is Mathematical Induction Overwhelming for New College Students?
- Chromium
- · Replies 7 ·
Proving Inductive Step: P(k) to P(k+1)
- Chromium
- · Replies 1 ·
Why does (x²)^(1/2) equal both |x| and ±x?
- alenglander
- · Replies 36 ·
Finding Answers to Cubic Equation Questions
- edgo
- · Replies 8 ·
Trig equations with multiple angles
- GregA
- · Replies 4 ·
What is the maximum value of R in the given graph?
- sakin
- · Replies 16 ·
Calculating the Equation of a Circle Tangent to x=sqrt(y) at (10,2)
- say_physics04
- · Replies 11 ·
Why Do We Divide Both Sides in Formula Transposition?
- wewelsburg
- · Replies 4 ·
Finding the inverse of 1/2−√3 and set complements
- Aladin
- · Replies 6 ·
Finding quarterly compound interest rate for $1000 to grow to $1500 in 5 years
- kuahji
- · Replies 9 ·
Finding instantaneous current from phasor form j10 A
- Moneer81
- · Replies 3 ·
Any Standard Notation for Multiple Coordinate Systems?
- dimensionless
- · Replies 3 ·
Finding range of 2x² + 4x - 3 by completing the square
- kuahji
- · Replies 7 ·
Find the eigenvalues of a matrix
- Chadlee88
- · Replies 2 ·
How Does Integration Relate to Probability Distributions in Year 12 Mathematics?
- steven10137
- · Replies 5 ·
Intersection points of a line on a circle
- TOdorus
- · Replies 8 ·
What geometrical shapes can you see in the picture?
- david18
- · Replies 4 ·
How Much Commission Does Peter Earn from Real Estate Sales?
- Saree
- · Replies 2 ·
Domain of f(g(x)) = 1/(2x-6) vs domain of H(x) = 1/(2x-6)
- 0000
- · Replies 5 ·
A short one on symmetric matrices
- Päällikkö
- · Replies 1 ·
Solving an Infinite Limit with L'Hôpital's Rule
- sacwchiri
- · Replies 4 ·
Vector space of n-th order polynomials: closure, dimension, basis, inner product
- mtb4x4mad
- · Replies 11 ·
Permutation of subsets with like objects Question
- Astro
- · Replies 2 ·
Solving for Y given X=(Y-2)/3 - 1/3Y
- 0000
- · Replies 6 ·
Checking my exponential growth test answers
- giant016
- · Replies 4 ·
Find minimum perimeter of hexagon ABCDEF with constraints on diagonals and angles
- therisingpower
- · Replies 5 ·
How Do You Calculate Trigonometric Ratios for Angles in Standard Position?
- Cyborg31
- · Replies 5 ·
Sketch the curves y =|x| and y = 2 - x^2 on the graphs
- uniidiot
- · Replies 5 ·
Transform this function into phasor form
- Moneer81
- · Replies 1 ·
Finding points of intersection
- physicsgal
- · Replies 13 ·
Finding the Length of PQ in Quadrilateral MNTS and MOPR Using Ratios
- lorddarkhelmet
- · Replies 2 ·
How Do You Solve a Quadratic Equation to Find Dimensions of a Rectangle?
- i-love-physics
- · Replies 4 ·
How Do You Convert Polar Equations to Cartesian Form and Sketch Them?
- uniidiot
- · Replies 6 ·
How Fast Did the Plane Fly from Glasgow to Halifax?
- cleeoo27
- · Replies 2 ·
Relation between the gravitional constant and the given equation
- threetheoreom
- · Replies 10 ·
Determine the value of this function
- Moe_slow
- · Replies 15 ·
Prove (a²)/b + (b²)/c + (c²)/a ≥ a + b + c using Cauchy
- pixel01
- · Replies 4 ·
Is Substitution Effective in Solving These Fractional Equations?
- siddharthmishra19
- · Replies 6 ·
How many permutations can be made with digits 1-9?
- kakab00
- · Replies 18 ·
Percentage of the price of jeans
- Saree
- · Replies 3 ·
Finding where a point divides a vector in ratio 2:1
- Firepanda
- · Replies 3 ·
Inverse of Exponential Equations
- Murdoc88
- · Replies 5 ·
What Is the Probability That a Positive Test Indicates Actual Disease?
- TSN79
- · Replies 3 ·
Finding Points of Intersection of a Parabolic Arch and a Hill
- physicsgal
- · Replies 1 ·
Solving the Mod of Sine Equation: What Does Each Number Mean?
- Incog
- · Replies 2 ·
How can the minimum diagonal be used to solve 6c?
- Gib Z
- · Replies 9 ·
Solve 0.5 x Sqrt(61) Without a Calculator
- thomas49th
- · Replies 8 ·
Difference quotient of f(x) = √x
- kuahji
- · Replies 4 ·
Finding ratios in parallelogram ABCD when line AE meets BC at F
- bonbon
- · Replies 1 ·
Calculating exp[iMθ] for a Matrix M
- neelakash
- · Replies 1 ·
Deriving a trigonometric identity
- HHermans
- · Replies 5 ·
Adding Z-scores and detector probability problem
- Cyannaca
- · Replies 4 ·
Finding sides b and c given angles A and B and side a
- ataglance05
- · Replies 3 ·
Proving that f of f is odd if f is odd
- t_n_p
- · Replies 17 ·
Converting x² + 4y² - 4x + 8y - 60 = 0 to standard form
- physicsgal
- · Replies 12 ·
How Do You Calculate the Height of a Tower Using Angles of Elevation?
- crm
- · Replies 15 ·
Is There a Better Algorithm for Longhand Multiplication?
- Embison
- · Replies 11 ·
Proving the Identity: cot x + tan x = sec x csc x
- Johnny Blade
- · Replies 2 ·
Caculate the probability using a binomial distribution
- Cyannaca
- · Replies 3 ·
What is the locus equation for a dog and cat walking in a backyard?
- physicsgal
- · Replies 17 ·
Simplifying (9x+15)-(4x-2): should the answer be 5x+13 or 5x+17?
- david18
- · Replies 21 ·
Solving x² - x < 0
- MindRafter
- · Replies 11 ·
Using the Cosine Rule: When Do You Get 2 Answers?
- thomas49th
- · Replies 4 ·
Combinations! How many letter combinations can you make with 9 letters?
- Elruso
- · Replies 6 ·
Finding the Median with Class Scores
- danago
- · Replies 8 ·
Solving for p and q: A Graph of 5 = cos 0 and 1 = cos 180
- thomas49th
- · Replies 5 ·
Proving a Equation: Solving for x in 2/(x+1) + 1/(x+2) = 1/2
- thomas49th
- · Replies 3 ·
Equation Financial Mathematics
- Izekid
- · Replies 1 ·
LU Matix decomposition problem with U.
- Chadlee88
- · Replies 2 ·
Finding my mistake reducing a 3x3 matrix to row echelon form
- Chadlee88
- · Replies 3 ·