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 Rational Zeros Does the Polynomial f(x) = x³ + 4x² - 4x - 16 Have?
- Greywolfe1982
- · Replies 10 ·
Weight at altitude using rational function formula
- gamefreak
- · Replies 4 ·
Four-digit ATM pin with no repeated digits allowed
- skullers_ab
- · Replies 5 ·
How to Express c in Terms of b in Quadratic Equations?
- um0123
- · Replies 19 ·
How many ways can I go up some steps?
- Paulo Serrano
- · Replies 3 ·
Can we prove B is guilty from these five logical premises?
- TheFurryGoat
- · Replies 1 ·
How do you tell if tan x=0.5371, is in radian or degree?
- Nope
- · Replies 6 ·
What is the value of the missing area in a standard deviation problem?
- bap902
- · Replies 2 ·
Linear algebra normalising a vector?
- Chadlee88
- · Replies 3 ·
Prove inequality with cyclic sums and nth roots
- Kryna
- · Replies 6 ·
Trigonometric Identities for Sine and Cosine
- abstrakt!
- · Replies 2 ·
Trig Identity: Verify a*sin Bx + b*cos Bx = sqrt(a^2 + b^2)sin(Bx + C)
- morr485
- · Replies 2 ·
Finding domain where n[X]up = [nX]up with ceiling function
- Mafiaboy
- · Replies 7 ·
How come this factoring works for finding points on a curve that equals slope 1?
- iamsmooth
- · Replies 6 ·
Newton's Law of Cooling of coffee
- ajr246
- · Replies 2 ·
How can I improve my graph for N = e1.386t?
- r-soy
- · Replies 6 ·
How to Find the Base in an Equations with Unknown Numbers
- maxfails
- · Replies 2 ·
Converting point-slope form to standard form with fraction coefficients
- iamsmooth
- · Replies 2 ·
Mappings, domains, codomains, proof of linearity
- Mysteek
- · Replies 10 ·
Trig question eq in the form y = sin k x
- Matt1234
- · Replies 2 ·
Why 3x3 Matrices Don't Form a Vector Space Over Reals
- neergmas
- · Replies 7 ·
The only 3 consecutive odd numbers that are primes are 3,5,7
- CmbkG
- · Replies 1 ·
Algebra question - quick visual
- vorcil
- · Replies 3 ·
Unit circle problems (ive wikied and googled)
- ndmp
- · Replies 5 ·
Coefficient of p4q7 in (2p-q)(p+q)10
- look416
- · Replies 13 ·
Trignometry Rules/properties/common equations?
- Master7731
- · Replies 4 ·
Solving the Cosine Identity: cos(α-β)cos(α+β) = cos2α - sin2 β
- phys1618
- · Replies 2 ·
Focus of a Parabola Q6ciii: Australian HSC Mathematics Extension 2 Exam
- Mentallic
- · Replies 4 ·
What are the steps to simplify a trig identity with multiple angles?
- phys1618
- · Replies 1 ·
Simple Linear Algebra Problem: Calvin and Wendy's Screw Purchase Dilemma
- schmolch
- · Replies 1 ·
Divisibility problem with prime numbers
- Detektyw
- · Replies 8 ·
Trig questions. Which ones are true.
- shiri
- · Replies 3 ·
Area, volume and depth relation?
- HelloMotto
- · Replies 3 ·
Joint pdf of Z=X-Y and W=X+Y with independent uniform variables
- aruna1
- · Replies 14 ·
How Can the Unit Circle Prove the Cosine Half-Angle Formula?
- Louis B
- · Replies 1 ·
Finding eigenvalues and eigenvectors of a 3×3 matrix
- geft
- · Replies 4 ·
How does the type of music affect heart rate?
- katanne92813
- · Replies 2 ·
Calculating The Mean, Standard Error, and Standard Error of the Mean
- Gogsey
- · Replies 1 ·
Probability distribution functon
- aruna1
- · Replies 2 ·
Find two numbers with sum 13 that minimize sum of squares
- Monocerotis
- · Replies 7 ·
Finding a when (A+I)(A-I)=I and (A^101)^-1=2aA
- yoleven
- · Replies 11 ·
Deriving the Equation for an Ellipse from Parametrization
- ehrenfest
- · Replies 8 ·
What Is the Probability of Rolling At Least Two 6's in 13 Dice Rolls?
- bap902
- · Replies 6 ·
Why use subscript notation for age in population models
- hominid
- · Replies 3 ·
Infinite repeating problems? Can I Solve These Quadratic Equations Correctly?
- um0123
- · Replies 16 ·
Evaluating Logarithms: Solving 2^x - 2^{1-x} = 1 in Simple Steps
- Matty R
- · Replies 3 ·
How Do You Simplify This Complex Absolute Value Expression?
- FlufferNuterFSU
- · Replies 1 ·
Proving sin(2x + π/3) = sin(2x) + sin(2(x+π/3))
- iamthegelo
- · Replies 2 ·
Classifying conic sections from Ax² + Bx + Cy² + Dy + E = 0
- Sven
- · Replies 5 ·
Inequalities and absolute value
- highcontrast
- · Replies 10 ·
Proving lim(x→∞) (x² − ⌊x²⌋)/x = 0 with squeeze theorem
- Kindayr
- · Replies 7 ·
Get Help with Questions: Explaining Solutions
- r-soy
- · Replies 2 ·
Sin -270 different from sin - 90 exact and aprox values?
- Senjai
- · Replies 2 ·
Decomposing a function as sum of even and odd parts
- pyrosilver
- · Replies 19 ·
Solving a Quadratic Equation Problem
- mcsun
- · Replies 5 ·
Quadratic Solution Simplification: Is My Work Correct?
- montoyas7940
- · Replies 3 ·
Real life application of trignometry identities
- Arshad_Physic
- · Replies 1 ·
Calculating Probability in Casino Games: A Case Study in Roulette Betting
- rowdy3
- · Replies 2 ·
Finding perpendicular bisector.
- charlie_luna
- · Replies 3 ·
Linear independence of three 2×2 matrices
- Noxide
- · Replies 2 ·
Find Inverse of f(x) = x+2e(x)
- chrisparr
- · Replies 1 ·
How to properly find the Domain of fog/gof ?
- Spiffy
- · Replies 4 ·
Intersection of probabilities.
- tjera
- · Replies 6 ·
Simplifying a sequence with powers of 2 and increasing even numbers
- nobahar
- · Replies 9 ·
Newtons cooling law problem given in precalc
- pezgoon
- · Replies 8 ·
How can I effectively solve two challenging differential equations problems?
- FaradayLaws
- · Replies 1 ·
Finding a basis for the set of all rank-n matrices
- xuej1112
- · Replies 4 ·
Point and Circle intersection in 3 D
- Adee
- · Replies 2 ·
Probability involving a deck of cards
- karthikphenom
- · Replies 1 ·
Finding the Arctangent of an Unknown Number
- xXOfNiRXx
- · Replies 2 ·
Check Limit at Infinity of f(x)
- Zhalfirin88
- · Replies 3 ·
How to Find the Resultant Velocity of a Plane with a Wind?
- shizupple
- · Replies 3 ·
How to Use Negative Exponents on a Scientific Calculator
- krimsondane
- · Replies 5 ·
Expected Number of Girls Born in a Hospital on a Given Day
- Stef42
- · Replies 10 ·
How do you solve this equation (involving exponentials)?
- xllx
- · Replies 6 ·
How many times will you bring drinks to a home game in a 20 game season?
- shawonna23
- · Replies 2 ·
Solve Ratio Word Problem: Add 1.6667 lbs Barley to Mixture
- LearningMath
- · Replies 5 ·
Bouncing ball distance and tree growth with geometric series
- Suy
- · Replies 8 ·
Yes, you are getting the correct answers for a) and b).
- shiri
- · Replies 2 ·
Finding the (4,4) cofactor of a 4x4 matrix
- shiri
- · Replies 12 ·
Find Location of Aeroplane After 60km Travel
- vorcil
- · Replies 4 ·
How to Prove the Sine Rule Using Cross Product?
- iasc
- · Replies 2 ·
Projectile Motion(Fun. Fun) where object is thrown from ground level
- guesswho9
- · Replies 4 ·
Vector Algebra: Find Parametric Equation of Line from p with Direction q
- vorcil
- · Replies 5 ·
Conditional probability for a point in a unit square
- SusanCher89
- · Replies 4 ·
Linear Equations for Gold Course Holes
- vorcil
- · Replies 3 ·
Solving x^4 - x^3 + x - 1 = 0 How is this done?
- sdoman
- · Replies 4 ·
Finding log something, in terms of A and B.
- Suy
- · Replies 6 ·
Trig Problem: Angular Velocity.
- Senjai
- · Replies 2 ·
When do triangle and tympani players play together?
- shawonna23
- · Replies 9 ·
Simplifying logarithmic expressions
- fatima_a
- · Replies 2 ·
Finding The Equidistant of 2 Points
- Ecom
- · Replies 5 ·
Number of onto functions from B to B where B = {1,2,3,4,5}
- James889
- · Replies 3 ·
Equation of Circle: Centre (2,-4), y-intercept 1
- veronika_bebs
- · Replies 3 ·
Solve Inverse Trig Function: tan^-1(sinθ/(cosθ-1)) = 90° + θ/2
- Saladsamurai
- · Replies 3 ·
When does a senator first campaign during a presidential election year?
- shawonna23
- · Replies 4 ·
When will Margo, Roberto and Randa's activities align again?
- shawonna23
- · Replies 6 ·
If battery acid is 1/5 as acidic, what is its pH?
- Suy
- · Replies 7 ·
Cauchy-Schwartz Inequality for Step Functions
- kidsmoker
- · Replies 5 ·
[PreCalculus] Proving Identities
- Snowglober
- · Replies 2 ·