Unit 1 A Review

What is the prime factorization of 126 ?

What is the prime factorization of 126 ? 2 63 3 21 3 7 2• 3² • 7

Tommy only Sue only Kristy and Sue James only Each of these four students wrote an equation. Which of these students wrote an equation that is true? Tommy wrote 3³= 9 James wrote 7 • 2² = 7 • 4 Kristy wrote 2² • 4 = 32 Sue wrote 3² = 2³ Tommy only Sue only Kristy and Sue James only

Caleb could write his great-uncles age of 75 as 3 x 5 x 5 Caleb could write his great-uncles age of 75 as 3 x 5 x 5. Which of the following would express his great-uncles age in exponential form? 3 x 15 3 x 2 3 x 5² D. 3 x 25

In Huntsville,Texas it rained 22. 25 centimeters in 3. 5 hours In Huntsville,Texas it rained 22.25 centimeters in 3.5 hours. In Houston,Texas it rained 10.45 cm in 2.5 hours. Which of the following statements is true? It rained more per hour in Huntsville. It rained more per hour in Houston. It rained the same per hour in Houston and Huntsville. None of above.

Huntsville: 3.5 22.25 6.36 35 222.5 Houston: 2.5 10.45 4.18 25 104.5

Sherell purchased 6 decorated flower pots for $24 Sherell purchased 6 decorated flower pots for $24.18, not including tax. If each flower pot cost the same amount, what was the cost for each flower pot, not including tax? 6 24.18 4 0 3

Mr. Gregory purchased 3. 25 pounds of potatoes that cost $1 Mr. Gregory purchased 3.25 pounds of potatoes that cost $1.25 per pound. How much change should he receive if he gives the cashier a $20.00 dollar bill. $16.75 $15.94 $17.20 $ 3.00

3.25 lbs X 1.25 per lbs $20.00 - _______ change

Shelly wants to buy a new video game Shelly wants to buy a new video game. The sale price for the video game is $62.50 including tax. Shelly is working 5.25 hours this week and earns $9.50 an hour. After she receives her paycheck this week, how many more hours does she need to work in order to purchase her game? 2 Do: 5.25 x 9.50 62.50 – 49.88 $12.63

Which list shows the rational numbers in order from greatest to least? K ‘ E M 0.7, 7.0, 7.01, 7.77, 7.7 B. 7.77, 7.7, 7.07, 7.0, 0.7 C. 7.7, 0.7, 7.0, 7.07, 7.77 D. 0.7, 7.07, 7.0, 7.7, 7.77

Which number line does NOT show the correct placement of numbers? A B C D

Lucy, Danny, Brent, Ashley, Greg The finishing times for five swimmers in the 100-meter race are shown in the table below. Swimmer Time Greg 9.25 Ashley 9.14 Danny 7.31 Lucy 7.12 Brent 9.01 List the swimmers in order from fastest to slowest. Explain your answer. Lucy, Danny, Brent, Ashley, Greg

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