Ratios and Proportions
What are the two physical characteristics of a proportional graph?
All points are on a straight line
It goes through the origin
What is volume?
All of the space in a 3d object
How many of these problems have a negative final answer -
5 x -2
-5 x -2
-5 x 2
5 x 2
2
Simplify this expression
2y - 7 +8 - 5y
-3y +1
What is the formula for a probability of any event?
p(event)=success/total
How do you calculate Unit rate?
Turn the denominator into one (usually division)
The angles of a triangle add up to...?
180 degrees
What is the answer for -
(7-4)(-9+3)
-18
Factor this expression -
6y + 12x + 15w
3(2y+4x+5w)
Jacinta has 2 blue marbles, 4 red marbles, and 5 green marbles in a bag. All the marbles are the same size. She will select one marble from the bag without looking.
What is the probability that Jacinta will select a red OR blue marble? Write your answer as a fraction.
6/11
What would MCAS call "the equation"
y=(k)x
How many unique triangles can be created with the side lengths 4, 5, and 8
1 unique triangle
What is the value of 3.6 / 0.18
20
Simplify this expression
-5(6w + 1)
If I am picking two marbles from a bag, one after another. If I do NOT replace the the first marble, what kind of probability is it?
Dependent
What formula do you use to check a tables proportionality?
K = y/x
Find the supplementary angle for the measurement of 67 degrees
113 degrees
What is the absolute value of 15 plus the absolute value of -10
25
Simplify
(7m - 16) - (-2m - 4)
9m + -12
What are the 5 major data points for box plots?
Min, lower quartile (Q1), Median (q2), upper quartile (q3), and Max
Airpods are currently being sold for 36% less than the original price. If the current price is $150, what is the original price? (round to the nearest hundredth)
$234.38
What is the area of a pizza that measures 20 inches in diameter?
314
Simplify
(1/3 + 2/4) / (3/4)
1 and 1/9
Solve and graph this inequality
-8x + 12 > -12
x < 3
Calculate the MAD for the following data set
3, 5, 8, 12
MAD = 3