8th Unit 11 Quiz

If the dimensions of a square are increased 10%, by what percent is the

area increased?

Renaldo increased the image size on the computer screen by 20%. By

what percent did the area of the image increase?

Tags

CCSS.7.G.A.1

Gerry’s drawer has two black socks and four blue socks. If he

selects two socks without looking, what is the probability they are both

black?

Tags

CCSS.HSS.CP.B.9

There are 2 red marbles and 3 green marbles in a bag. If two marbles

are drawn at the same time from the bag, what is the probability both

will be green?

Tags

CCSS.HSS.CP.B.9

Joshua completed tasks and recorded the time it took to complete them. Does this table show a proportional relationship? Use words to describe the relationship: Proportional or Not Proportional

Identify the constant of proportionality.

• Proportional

• Constant = 6

• Not proportional

• Constant = 36

Tags

CCSS.7.RP.A.2A

Alex’s phone company charges these rates for collect calls. Does this table show a proportional relationship? If so, state the constant of proportionality.

• Proportional

• Not proportional

• No constant

• Constant = 1.75

Tags

CCSS.7.RP.A.2B

A line plot displays the ________ of a data set.

• Spread

• Average

• Values

• Trends

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

A _______________ plot identifies the median,

quartiles, and the extremes.

• Bar Graph

• Box-and-Whisker

• Histogram

• Pie Chart

Tags

CCSS.6.SP.B.4

CCSS.HSS.ID.A.1

Select the relationship this dot plot shows.

• Positive Correlation

• Negative Correlation

• No Correlation

• Trending

Tags

CCSS.HSS.ID.B.5

Find the equation of the best fit line in the graph.

hint: (slope intercept form, intercept is 0)

Tags

CCSS.8.EE.B.5