Solve and Graph Inequalities Summative

Identify all possible solution for this inequality:

• 0

• - 10

• 2

• - 2

• 0.5

5.5 < ( x - 2 ) / 3

Identify the correct solution graphed on a numberline.

HINT:

treat the right side of the inequality as a FRACTION !

• open circle on 18 , arrow going RIGHT

• fill - in circle on 18.5 , arrow going RIGHT

• open circle on 19 , arrow going LEFT

• fill - in circle on 18.5 , arrow going LEFT

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8

• x ≥ 18

• x ≤ 8 

• x ≤ 18 

4x - 3 ≥ 2x - 1

• x ≤ -1

• x ≥ -1

• x ≤ 1

• x ≥ 1

Solve:
7(x + 3) < 5x + 13

• x>-4

• x < 17

• x<-4

• x > -17

When graphing do you use an open or closed circle for > ?

• Open

• Closed

Write the following solution in interval notation:

x ≥ -3

• [ -3, ∞ )

• ( -3, ∞ )

• ( -∞ , -3 )

• ( -∞ , -3]

What interval notation does the number line graph represent?

• [∞, -5)

• (∞, -5)

• [-5, ∞)

• (-5, ∞)

Solve the inequality.

x + 5 ≤ 13

• [8, ∞)

• [18, ∞)

• (-∞, 8]

• (-∞, 18]

When graphing an inequality, you use an open dot when you use which symbol?

• <, >

• ≤, ≥

• >, ≥

• <, ≤