STAAR Review part 2

Spinner X is divided into 4 equal sections, and Spinner Y is divided into 3 equal sections. The possible outcomes for each spinner are shown in the tree diagrams.

Both spinners are spun at the same time. What is the probability that Spinner X will land on 2 and Spinner Y will land on blue?

• 7/12

• 1/12

• 2/7

• 1/2

A circle has an area of approximately 28.26 square centimeters. Which measurement is closest to the radius of the circle in centimeters?

• 3 cm

• 6 cm

• 5 c,

• 9 cm

Tags

CCSS.7.G.B.4

Which graph best represents a line where each value of y is 3 more than 1/2 the value of x?

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In a city, the average cost of electricity is $0.12 per kilowatt-hour. Which graph best represents this relationship?

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Tags

CCSS.8.EE.B.5

A company divided its salespeople into two teams and recorded the amount of each employee's sales in dollars for a week. The box plots dispay the results.

Which statement is best supported by the information in the box plots?

• The range for Sales Team X is $10 more than the range for Sales Team Y

• The interquartile range for Sales Team X is half the interquartile range for Sales Team Y

• The mean for Sales Team X is $5 less than the mean for Sales Team Y

• The interquartile range for Sales Team X is twice the interquartile range for Sales Team Y

Carson practices each day to prepare for an upcoming race. He starts the day by running 2 miles and then walking at a rate of 4 miles per hour.

Wchich representations show the relationship between the total number of miles he covers in a day, y, and the number of hours he walks, x?

Select THREE correct answers.

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Tags

CCSS.HSF-LE.A.1B

Triangle KLM is similar to triangle RTU. The triangles are shown with side lengths in centimeters.

What is the length of side RU in centimeters?

• 2 11/12 cm

• 11 2/3

• 6 1/2

• 3 1/2

Tags

CCSS.HSG.SRT.A.2

The cost of groceries for the Nguyen family was $210.00. The family used a coupon for 25% off the cost.

What was the final cost after the coupon was used?

• $52.50

• $157.50

• $185.00

• $262.50

Tags

CCSS.6.RP.A.3C

The dot plot shows the number of points a player scored in each of 30 turns in a game.

Which statements are best supported by the data in the dot plot?

Select TWO correct answers.

• Exactly 9% of the turns were 2 points

• Exactly 1/6 of the turns were 5 points

• Exactly half of the turns were 3 points or more

• Exactly 1/10 of the turns were 1 point or fewer

• Exactly 50% of the turns were 2 or 3 points

Maggie has a $50 gift card that she will use to purchase games for her phone. Each game costs $1.99. She has a coupon code for $5 off her entire purchase.

Which equation can be used to find x, the maximum number of games Maggie can purchase?

• 50=1.99-5x

• 50=1.99+5x

• 50=1.99+5

• 50=1.99x-5