7th CCA review 2

Solve:

2x + 6 = 18

• 12

• 6

• -6

• -12

The model represents an inequality.

What is the solution set for the inequality?

• $x\ \le-5$
  

• $x\ \le\ 5$

• $x\ \le\ 1$

• $x\ \le-14$

11 = 18 + 7f

• -1
• 1
• 4.1
• 6

The model represents an equation.

What is the solution for this equation?

• x = 3

• x = 15

• x = 5

• x =1

Danielle used 8 centimeters of tape to wrap 4 presents. How many presents did Danielle wrap if she used 30 centimeters of tape?

• 15 presents
• 16 presents
• 14 presents
• 13 presents

The corporate team-building event will cost $12 if it has 4 attendees. How many attendees can there be, at most, if the budget for the corporate team-building event is $15?

• 5 attendees
• 6 attendees
• 7 attendees
• 8 attendees

-4x + 14 ≤ 54

• x ≥ -10
• x ≤ -10
• x ≥ 10
• x ≤ 10

10 < 3x + 19

• x < 3
• x > 3
• x < -3
• x > -3

11 = 3z + 5

• 2
• 6
• 1
• 4

2s - 4 = 6

• 5
• 3
• -5
• 2