CCSS.Math.Content.HSA.REI.B.3

Find the value of x that completes the statement.
2/5 = 8/x

• 1.3
• 40
• 3.2
• 20

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CCSS.Math.Content.HSA.REI.B.3

Johnny earns $15 per hour dog walking. He wants to earn at least $105 to buy a new bike. Which inequality represents how long Johnny needs to work to afford his new bike? 

• 15h ≤ 105
• 15h > 105
• 15h < 105
• 15h ≥ 105

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CCSS.Math.Content.HSA.REI.B.3

Find and explain the error.    
 5 - 3 + 2
     5 - 5
        0

• There is no error.
• Addition was done first and you should have subtracted first
• There is a subtraction error

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CCSS.Math.Content.HSA.REI.B.3

Solve:
2(2x + 3) = -6(x + 9)

• 1.2
• 6
• -6
• 7.5

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CCSS.Math.Content.HSA.REI.B.3

A toy company spends $1500 per day for factory expenses plus $8 to make each teddy bear.  They sell the teddy bears for $12 a piece.  Which equation could be used to find the number of bears t the company has to sell in one day to equal its daily cost?

• 1500 + 8t = 12
• 12 + 8t = 1500
• 1500 + 8t = 12t
• 8t = 12t + 1500

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CCSS.Math.Content.HSA.REI.B.3

2x - 3 + 4x = 27

• x= 12
• x = 4
• x = 5
• x = 15

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CCSS.Math.Content.HSA.REI.B.3

8(m + 2)< 4(5 + 2m)

• no solution
• m < -2
• all real numbers
• m > 4

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CCSS.Math.Content.HSA.REI.B.3

297=7(8x-6)+3

• 13

• 12

• 6

• 10

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CCSS.Math.Content.HSA.REI.B.3

11b+7=40

• 45

• 8

• 4

• 3

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CCSS.Math.Content.HSA.REI.B.3

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

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CCSS.Math.Content.HSA.REI.B.3