Inequalities Review Litchford

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

• <, >

• ≤, ≥ 

• ≤, <

• ≥, >

What are two solutions to x < 8?

• 8.6, 7.9

• 11, 16

• 0.8, 5.9

• 12, 7.1

Write an inequality for this situation:
You are driving, and the maximum speed limit is 55.

• s < 55

• s > 55

• s ≤ 55

• s ≥ 55

You must spend at least $10 at the grocery store to get a free reusable shopping bag. Which inequality represents the amount you need to spend to get a free shopping bag?

• x<10

• x>10

• x>10

• x<10

When the following inequality is graphed, what will it look like?

y>-1

• open circle

• closed circle

When the following inequality is graphed, what will it look like?

r < -12.97

• open circle

• closed circle

When do you "flip the inequalities sign"?

• When you add or subtract a negative

• When it's a 1-step problem

• When you multiply or divide a negative

• When it's a 2-step problem

2x > 12

• x > 6

• x < 6

• x ≥ 6

• x ≤ 6

-3x ≤ 18

• x ≤ -6

• x ≤ 6

• x ≥ 6

• x ≥ -6

Mr. Gomez gets a notice from the bank when the amount in his checking account drops below $20. Which represents an amount that will require the bank to send a notice?

• $18

• $19

• $20

• $21

• $22