Keystone Review 3

The table shows a pattern in the cost of online data storage for different

numbers of

terabytes of data stored.

The pattern continues. Which equation describes the pattern in the cost of online data storage?

• c = 3t + 225

• c = 5t + 225

• c = 50t + 90

• c = 75t + 15

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which graph represents a function?

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The set of ordered pairs is a relation.

What is the range of the relation?

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• 
• 

A function of x is graphed on the coordinate plane.

Which equation describes the function?

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Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A student completes math problems at an average rate of 2 problems every 5 minutes. At this

rate, how many math problems does the student complete in 65 minutes?

• 13

• 26

• 30

• 52

Tags

CCSS.6.RP.A.3B

Sonya is baking cookies. The table below shows the relationship between the number of

batches of cookies she bakes and the number of cups of sugar she uses.

Based on the relationship shown in the table, how many more cups of sugar does Sonya use to bake 9 batches of cookies than to bake 3 batches of cookies?

• 6

• 12

• 13 1/2

• 20 1/4

Tags

CCSS.7.EE.B.3

Karl starts biking at some distance from his house and rides his bike away from his house. The graph shows the relationship between the amount of time Karl rides and his distance from his house.

What distance, in miles, is Karl from his house when he starts biking?

• 0.17

• 0.25

• 2.25

• 5.33

Tags

CCSS.HSF.LE.B.5

The scatter plot shows the cost (y), in dollars, of orange trees based on their ages (x),

in years.

Based on the scatter plot, which equation represents the line of best fit for the cost of the orange trees?

• y = 11.8x

• y = 11.8x + 29.2

• y = 15.7x

• y = 15.7x + 40.0

Tags

CCSS.HSF.LE.B.5

A teacher measures the time it takes each student in a class to complete a puzzle. The first quartile value of the teacher’s data is 4 minutes. The third quartile value is 6 minutes. Which statement must be true?

• About 25% of the students completed the puzzle in 4 minutes or less.

• About 50% of the students completed the puzzle in 6 minutes or more.

• Exactly 25% of the students completed the puzzle in exactly 4 minutes.

• Exactly 50% of the students completed the puzzle in 5 minutes or less.

Tags

CCSS.6.SP.B.5C

The bar graph shows the average number of minutes Frank spends each week

participating in four activities.

Based on the information shown in the bar graph, which value is most likely the difference between the number of minutes Frank will spend reading the next 4 weeks and the number of minutes Frank will spend gaming online the next 4 weeks?

• 56

• 168

• 224

• 295

Tags

CCSS.7.EE.B.3