Review Unit 2

Which of the following would have a closed circle when graphed on a numberline?

• Greater Than
• At Least
• Not Equal To
• More Than

Tags

CCSS.6.EE.B.8

Write the following in interval notation

-7 ≤ x < 8

• (-7, 8)

• [-7, 8)

• [-7, 8]

• (-7, 8]

Tags

CCSS.6.EE.B.8

Look at the graph. Write the interval notation for the graph.

• (-2,5)

• (-∞,-2)⋃(5,∞)

• [-2,5]

• (-∞,-2]∪[5,∞)

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

CCSS.HSA.REI.D.10

 $2x-3>2x+9$  

• all real numbers

• no solution

Tags

CCSS.8.EE.C.7A

The 30 members of a choir are trying to raise at least $1,500 to cover travel costs to a singing camp. They have already raised $600. Which inequality could you solve to find the average amounts each member can raise that will at least meet the goal?

• 30x + 600 > 1,500
• 30x + 600 ≥ 1,500
• 30x + 600 < 1,500
• 30x + 600 < 1,500

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.1

When graphing the solutions to "OR" inequalities, The shading looks like___

• Shading that connects the 2 dots
• Shading that points away and never crosses.
• Shading that points toward each other and ALWAYS crosses
• Shading that points opposite, but sometimes crosses.

Tags

CCSS.HSA.REI.D.12

When graphing "AND" inequalites, shading looks like___

• Shading that always connects the 2 dots.
• Shading that always points away from each dot
• 2 shaded arrows pointing in same direction(both left)
• 2 shaded arrows pointing in same direction (both right)

Tags

CCSS.HSA.REI.D.12

Solve the inequality:
-2x + 5 < x - 7. Which value is in the solution set?

• 2
• 4
• -1
• 5

Tags

CCSS.6.EE.B.5

Concert goers can buy tickets for seats on the floor or in the stands at the arena. Tickets for the floor cost $65 each. Ticket prices for sitting in the stands are 80% of the cost of tickets for the floor. Which inequality represents all possible combinations of x, the number of tickets for the floor, and y, the number of tickets in the stands, that someone can buy for no more than $600?

• 65x + 81.25y ≤ 600

• 65x + 52y ≤ 600

• 65x + 81.25y > 600

• 65x + 52y > 600

#15:  Solve.
 $\frac{-x}{3}\ +\ 8\ \ge\ 14$  

• x  $\le$  -18

• x  $\le$  18

• x  $\ge$  18

• x  $\ge$  -18

Tags

CCSS.7.EE.B.4B