DA 3 Review

Which expression is equivalent to  $25\ +\ 10^2$  

• 25 + 20

•  $5^2+100$  

•  $\left(25+10\right)^2$  

Solve for x.  $x+10\ge40$  

•  $x\ge30$  

•  $x\ge50$  

•  $x\le30$  

•  $x\le50$  

Which expression is equivalent to  $2\left(x+7\right)+10$  ?

•  $2\cdot x\ +2\cdot7+10$  

•  $2+x+7+10$  

•  $2\cdot x\cdot2\cdot7+10$  

•  $2+x+2+7+10$  

The owner of a food cart sells an average of 120 frozen treats per day during the summer.

Which graph best shows this relationship between the number of days and the number of frozen treats sold?

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• 
• 
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Which ordered pair describes a point that is located 7 units to the right of the origin and 10 units below the x-axis?

• (7,10)

• (-7,10)

• (7, -10)

• (-7, -10)

Farmer Chris milked a total of 18 cows this weekend. If he milked 12 cows on Saturday, how many cows, x, did he milk on Sunday?

• $12+x=18$

• $12x=18$

• $18+x=12$

• $18x=12$

What is the value of the expression shown?

 $24\ -\ 5^2$  

•  $-1$  

•  $14$  

•  $1$  

Which expression is equivalent to  $4\left(3+5\right)-3\cdot9^2$  

•  $14\cdot81$  

•  $17-\left(27\right)^2$  

•  $12+20-54$  

•  $4\left(8\right)-3\cdot81$  

Which expression is equivalent to  $16+2\cdot36$  ?

•  $2^4+2^3\cdot3^2$  

•  $2^3+2^3\cdot3^2$  

•  $2^4+2^2\cdot3^2$  

•  $2^3+2^2\cdot3^3$  

Keith wrote the expression shown to determine the cost in dollars for an upcoming trip.
 $\left(127.50-23.50\right)+3\left(86.50+4\right)$  
Which expression is equivalent to the one Keith wrote?

• 107(90.50)

• 101(90.50)

•  $104+3\left(90.50\right)$  

•  $104+263.50$