Factoring
Diff of Squares
Conditional Probability
Independence
Random!
100
Factor the following:
x^2-6x+8
(x − 4)(x − 2)
100
Factor the following:
16x^2-9y^2
(4x+3y)(4x-37)
100
You go to Subway with your friends at lunch. Their sandwich orders are below.
What is the probability that someone ordered a Ham sandwich, given they ordered a 6 inch.
What is... 3/6 or 1/2
100
You interview 50 North students about their grade, and whether they drive, walk, or take the bus to school. You find the following:
P(10th grade given driving) = 0.15
P(10th grade) = 0.26
Are the events {being in 10th grade} and {driving} independent or associated?
What is... associated?
100
Name a leader in STEM from this semester.
Who is..
Ben Barres
Pooja Chandrashekar
Alexandria Adigun
Theanne Griffith
Dr. Lonnie Johnson
200
Factor the following:
x^2−7x+10
(x − 5)(x − 2)
200
Factor the following:
4x^2-1y^2
(2x+y)(2x-y)
200
You go to Subway with your friends at lunch. Their sandwich orders are below.
What is the probability that someone ordered a foot long, given they ordered a turkey sandwich.
What is... 2/3
200
You interview 50 North students about their grade, and whether they drive, walk, or take the bus to school. You find the following:
P(walking given 9th grade) = 0.30
P(walking) = 0.30
Are the events {walking} and {being in 9th grade} independent or associated?
What is... Independent?
200
_____ lives with 4 pets.
Is it Ms. Whitmer or Ms. Gibala or both?
Who is... Ms. Gibala?
300
Alex is trying to factor the following problem but gets stuck.
This is the mistake Alex made.
What is... he didn't multiply a * c in the top of the diamond. Should be: 
300
Factor the following:
36x^2-25y^2
(6x+5y)(6x-5y)
300
You survey 100 students who are trying to get their driver's licenses. To get your driver's license you must pass both a written test and a driving test. Their results are below.
Of the students who passed the driving test, how many also passed the written test? Give your answer as a fraction.
What is... 32/52?
300
You interview 50 North students about their grade, and whether they drive, walk, or take the bus to school. You find the following:
P(bus given 12th grade) = 4/14 or 0.286
Are the events {bus} and {being a 12th grader} independent or associated?
What is... Associated?
P(bus given 12th grade) = 4/14 or 0.286
P(bus) = 13.50 or 0.26
300
How many square miles is the city of Denver?
What is... 154.7 square miles
400
Factor the following:
5x^2 − x − 18
(5x + 9)( x − 2)
400
Factor the following:
49x^2-81y^2
(7x+9y)(7x-9y)
400
You survey 100 students who are trying to get their driver's licenses. To get your driver's license you must pass both a written test and a driving test. Their results are below.
Of the students who did not pass the written test, how many also did not pass the driving test? Give your answer as a percentage.
What is... 51.22%?
400
You interview 50 North students about their grade, and whether they drive, walk, or take the bus to school. You find the following:
P(drive given 11th Grader) = 6/20 or 0.3
Are the events {drive} and {being an 11th grader} independent or associated?
What is... independent?
P(drive given 11th Grader) = 6/20 or 0.3
P(drive) = 15/50 or 0.3
400
_____ has traveled to 22 countries.
Is it Ms. Whitmer or Ms. Gibala or both?
Who is... Ms. Whitmer?
500
Factor the following:
2x^2 + 5x + 2
(2x + 1)(x + 2)
500
Factor the following:
144x^2-225y^2
(12x+15y)(12x-15y)
500
You survey 100 students who are trying to get their driver's licenses. To get your driver's license you must pass both a written test and a driving test. Their results are below.
Of the students who passed the written test, what is the percentage point difference between people who did pass the driving test versus people who did not pass the driving test?
What is... 12.82%?
82.05% - 69.23% = 12.82%
500
You interview 50 North students about their grade, and whether they drive, walk, or take the bus to school. You find the following:
Are the events {riding the bus} and {being a 9th grader} independent or associated?
What is... independent?
P(riding the bus given 9th grader) = 1/6 or 0.167
P(riding the bus) = 15/50 or 0.3
500
_____ plays guitar.
Is it Ms. Whitmer or Ms. Gibala or both?
Who is... both?