Mock STAAR Review

Set W and Set F are subsets of the real number system.

W={rational numbers}

F={integers}

Which Venn diagram best represents the relationship between Set W & Set F?

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8.2.A

Selena Gomez has 397,500,000 followers on Instagram. What is the value of the exponent when this number is written in scientific notation?

Mathematical Equivalence

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8.2.C

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8.2.D

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8.2.D

Joselyn spent $15.00 to purchase 6 scrunchies. Each scrunchie cost the same amount.

Which graph has a slope that best represents this rate?

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8.4.B

Ja'Niyah traveled a distance of 72 miles in 144 minutes. Which graph has a slope that best represents this rate?

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8.4.B

The graph of a linear function is shown on the coordinate grid. The y-intercept is ​ (a)   and the slope is ​ ​ (b)   .

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8.4.C

The line graphed on the coordinate grid can be used to determine the number of miles Mrs. Cagle rides her bike after different numbers of hours.

Which statement best describes the slope of the graphed line?

• Mrs. Cagle is riding at a rate of 0.42 miles per hour.

• Mrs. Cagle is riding at a rate of 0.80 miles per hour.

• Mrs. Cagle is riding at a rate of 2.40 miles per hour.

• Mrs. Cagle is riding at a rate of 1.25 miles per hour.

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8.4.C

The cost for water varies directly with the amount of gallons of water used. The cost for using 1,079 gallons of water was $129.48.

What was the cost for using 908 gallons of water?

(a)  

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8.5.E

Which situation represents a proportional relationship?

• The cost of purchasing a basket of oranges for $1.30 per pound plus $5.00 for the basket

• The cost of purchasing peaches for $7.00 per box of peaches with a delivery charge of $3.00

• The cost of purchasing grapefruit for $1.80 per pound with a coupon for $1.00 off the total cost

• The cost of purchasing apples for $1.75 per pound plus a shipping fee of $0.16 per pound