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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Calculating events from phrasal expressions
- Sollicitans
- · Replies 7 ·
Interval notation of function's domain question
- late347
- · Replies 1 ·
Finding a Function Given a Condition
- Bashyboy
- · Replies 7 ·
State the exact values of all the trigonometric rations for theta.
- Giu1iano
- · Replies 12 ·
Fill three gaps with odd numbers 1-15 to sum to 30
- Deebu R
- · Replies 6 ·
Solving x² - y² = 16 for x
- sobergeek23
- · Replies 36 ·
Solving for ##\theta## in a Complex Grinding Problem
- Herman Trivilino
- · Replies 8 ·
Multiple exponents for logarithms
- kolleamm
- · Replies 7 ·
Find ground speed and direction of airplane
- Grey_Thunderhead
- · Replies 6 ·
How to Solve (a+bi)/(x-i)=0 to Find X?
- Wi_N
- · Replies 15 ·
Find the modulus and argument of a complex number
- javii
- · Replies 2 ·
Finding the four fourth roots of -80i using De Moivre's theorem
- Wi_N
- · Replies 18 ·
Solving Complex Quadratic Equations with Imaginary Coefficients
- Wi_N
- · Replies 8 ·
Finding f(2) when f(xy) = f(x) + f(y) and f(16) = 16
- Arman777
- · Replies 20 ·
Finding the Constant for Cancellation in Polynomial Factoring
- late347
- · Replies 7 ·
Values of c for real roots of 2x² - 8x + 5 = c
- Tyler Smith
- · Replies 10 ·
If p divides ab, does p divide a or b?
- mephillip
- · Replies 10 ·
Why is chi square expected frequency (row sum × column sum)/total?
- Faiq
- · Replies 5 ·
Why (a log x = b log x / b log a)?
- Stoney Pete
- · Replies 11 ·
How do I prove (sec x+1)/sin 2x = tan x/(2cos x-2cos 2x)?
- Schaus
- · Replies 10 ·
Factor 30(a²+b²+c²+d²)+68ab-75ac-156ad-61bc-100bd+87cd
- paulmdrdo
- · Replies 10 ·
Help with algebraic deduction steps in a proof by induction
- UsableThought
- · Replies 9 ·
Why does translation work with the extra dimension (Homogeneous coordinates.)
- ryan001
- · Replies 7 ·
Prove that 1/(n+1) + 1/(n+2) + ... + 1/(2n) > 13/24
- songoku
- · Replies 5 ·
Finding the coefficient in (x²−x)¹³ and (2x+3)¹⁰ using binomial theorem
- Schaus
- · Replies 15 ·
How do I factor out negative signs in equations?
- sobergeek23
- · Replies 5 ·
Binomial Theorem - Determine n
- Schaus
- · Replies 4 ·
How Do We Simplify and Interpret the Expression e^(ln(4)/2)?
- late347
- · Replies 3 ·
Factoring a four term polynomial
- Quadrat
- · Replies 11 ·
Remainder factor theorem: me reason this out
- Terrell
- · Replies 33 ·
Prove: polynomial is uniquely defined by three of its values
- CynicusRex
- · Replies 2 ·
Why is -1^0 = -1 while (-1)^0 = 1
- ryan001
- · Replies 14 ·
Solving a 3rd Degree Polynomial: What are the Options?
- fishturtle1
- · Replies 10 ·
What Is the Range of \( y = \sqrt{\ln(\cos(\sin(x)))} \)?
- Buffu
- · Replies 16 ·
Continuous uniform distribution function
- theone
- · Replies 7 ·
How Do You Solve This Composite Function Problem?
- songoku
- · Replies 3 ·
Find vector parallel to two planes
- Bestphysics112
- · Replies 3 ·
Proof of the total probability rule for expected value?
- theone
- · Replies 7 ·
Can zigzag carbon nanotubes be expressed as a mathematical vector?
- tomwilliam
- · Replies 1 ·
Finding the angle between AC and horizontal for a rotating lamina
- Kajan thana
- · Replies 5 ·
Confusion with how to make an augmented matrix
- John004
- · Replies 2 ·
When are Negative Bases Raised to Rational Powers Undefined?
- Saturnine Zero
- · Replies 7 ·
Bi-geometrical mean using logs -- don't get the same result
- ducmod
- · Replies 7 ·
All other ratios from just a small set
- caters
- · Replies 8 ·
Analytical Geometry (Division of line segments)
- at94official
- · Replies 1 ·
Proof Check: Geometry AB=EF If A=/B
- Loststudent22
- · Replies 1 ·
Sketch the surface of a paraboloid
- CricK0es
- · Replies 5 ·
State the trichotomy law formally
- mr_persistance
- · Replies 6 ·
A question involving inequality
- Faiq
- · Replies 4 ·
Why does the Sin of 0.036 degrees approximately equal 2 pi?
- csmyth3025
- · Replies 17 ·
What is the polar form of the given complex number without using the argument?
- cragar
- · Replies 4 ·
Complex numbers De Moivre's theorem
- iDimension
- · Replies 3 ·
Permutations with possibly repeating letters
- poonintoon
- · Replies 4 ·
Show no natural numbers satisfy y^5 + 1 = (x^7-1)/(x-1)
- Faiq
- · Replies 33 ·
How Can Trig Double Angle Formulas Simplify This Function?
- TogoPogo
- · Replies 7 ·
Logarithm question using compound interest formula
- Schaus
- · Replies 4 ·
What Are the Loci for Different Values of Lambda in a Complex Equation?
- Alettix
- · Replies 14 ·
Math puzzle: combinations of digits
- Logger
- · Replies 5 ·
Point inside a tetrahedron with vectors
- Alettix
- · Replies 9 ·
Solve for salary given averages of other salaries
- Mindscrape
- · Replies 1 ·
Representing a transformation with a matrix
- MickeyBlue
- · Replies 8 ·
Prove x^n+1/x^n is an integer using induction
- CynicusRex
- · Replies 6 ·
Probability of getting a seat in the train car
- bznm
- · Replies 9 ·
Solving Basic Probability Homework: Can't Understand Solution
- Clara Chung
- · Replies 6 ·
Using Remainder Theorem to find remainder
- Schaus
- · Replies 6 ·
Analyzing and Sketching Function: xy^2-x^2y+x+y=2 | Help with Homework Problem
- Taylor_1989
- · Replies 6 ·
Analyse and sketch the given function
- Taylor_1989
- · Replies 9 ·
How to Solve a Polynomial Function with Complex Zeros?
- doktorwho
- · Replies 11 ·
Complex Conjugates in Quadratic Equations: Solving for z
- cragar
- · Replies 5 ·
Complex Numbers Problem Solution Attempt
- Keiner Nichts
- · Replies 2 ·
Graphing y = (2x-6)/(x²-5x+4) with asymptotes and intercepts
- Schaus
- · Replies 21 ·
Linear independence of Av₁,...,Avₖ when A has trivial null space
- Mark53
- · Replies 17 ·
How do I solve number 3b and c
- mykayleighn
- · Replies 2 ·
Why Does My Solution to the Radical Equation Differ from the Answer Key?
- Schaus
- · Replies 9 ·
What's the Error in Solving Radical Equations?
- Schaus
- · Replies 3 ·
Harmonic mean: car trip mean velocity
- CynicusRex
- · Replies 4 ·
If x+(1/x) = 7. Compute x²+(1/x²) and x³+(1/x³)
- CynicusRex
- · Replies 14 ·
Neighbor fractions from Gelfand's Algebra problem 42
- UsableThought
- · Replies 11 ·
Graph the solution set for |z+i|/z| < 1
- TheChemist_
- · Replies 7 ·
Probability of 2 people meeting at given times
- pugtm
- · Replies 2 ·
Using matrices for functions -- transformations and translation
- Taylor_1989
- · Replies 13 ·
Proving the triangle inequality |a−b|≤|a|−|b| using absolute value definition
- Taylor_1989
- · Replies 7 ·
Finding the check amount when cashier swaps dollars and cents
- musicgold
- · Replies 13 ·
What are the lengths of lines M to M1 and M to M2 in this geometry problem?
- late347
- · Replies 7 ·
Formula for Multiplying Two Elements in a Polynomial Ring
- Bashyboy
- · Replies 2 ·
Not understanding this series representation
- Kyle Nemeth
- · Replies 8 ·
Finding sum of infinite series
- Ryaners
- · Replies 14 ·
Can you solve this quartic equation without actually solving it?
- giokrutoi
- · Replies 21 ·
Finding the Center and Radius of a Circle with Complex Numbers and Loci
- Kajan thana
- · Replies 6 ·
2017 times a is a natural number
- giokrutoi
- · Replies 5 ·
Given f(N) as digital signal, find f(2N -1)
- jaus tail
- · Replies 2 ·
Total displacement using vector diagram
- Muhammad Khalid Khan
- · Replies 3 ·
Formula for Total Surface Area
- zak100
- · Replies 18 ·
Whats wrong with this calculation?
- zak100
- · Replies 3 ·
Why Is Sin(theta) Squared in This Mechanical Engineering Problem?
- Turborrado
- · Replies 6 ·
How do I parameterize these surfaces?
- Sho Kano
- · Replies 3 ·
Perimeter/Area of Shaded Region within a Circle
- zak100
- · Replies 10 ·
Show that 5√(x² + 1) ≥ 3x + 4 for all x
- Dank2
- · Replies 3 ·
Calculating Probability using the Poisson Distribution
- sol59
- · Replies 35 ·
How many strings of four letters have x in them
- Mr Davis 97
- · Replies 3 ·