Solving Graphing Writing Inequalities

You and your friends ate more than 8 slices of pizza after school.

• x > 8

• x < 8

• x ≤ 8

• x ≥ 8

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

• <, >

• ≤, ≥ 

Solve.

-8x < 48

• x < -6

• x > -6

• x < 6

• x > 6

When do you reverse the symbol when solving an inequality?

• if you subtract on both sides

• anytime you multiply or divide on both sides

• when there is a negative anywhere in the problem

• if you multiply or divide on both sides by a negative number

The inequality h ≥ 48 represents the minimum height necessary to ride a certain roller coaster. Who can ride this roller coaster?

• Sara only

• Anna only

• Anna and Sara

• Anna, Patrick and Miguel

The inequality a < 10 represents the ages that qualify for a child ticket at the movie theater. Which children in the Rodgers' family qualify for a child ticket?

• Chris, Megan, Piper

• Piper only

• Chris and Megan

• Piper and Mark

Which sentence represents m > 41?

• Mary’s points, m, totaled more than 41

• Calvin ran no less than 41 miles, m

• The temperature, m, was less than 41°F

• The magazines’ cost, m, was not more than $41.

x + 5 > 7

• x > -2

• x > 2

• x > 12

• x > -12

r - 14 ≥ 17

• r ≥ 3

• r ≥ -31

• r ≥ 31

• r ≥ -3

8x ≥ -32

• x ≥ -4

• x ≥ 4

• x ≤ -4

• x ≥ 4