Inequality Exam

Tyler goes to the store. His budget is $125. Which inequality represents x, the amount in dollars Tyler can spend at the store?

A doctor sees between 7 and 12 patients each day. On Mondays and Tuesdays, the appointment times are 15 minutes. On Wednesdays and Thursdays, they are 30 minutes. On Fridays, they are one hour long. The doctor works for no more than 8 hours a day.

Here are some inequalities that represent this situation.

 

0.25≤y≤1         7≤x≤12          xy≤8

a. Complete the following to describe what each variable represents.

 

The variable __ represents the number of patients the doctor sees each day.

A doctor sees between 7 and 12 patients each day. On Mondays and Tuesdays, the appointment times are 15 minutes. On Wednesdays and Thursdays, they are 30 minutes. On Fridays, they are one hour long. The doctor works for no more than 8 hours a day.

Here are some inequalities that represent this situation.

 

0.25≤y≤1         7≤x≤12          xy≤8

 

The variable __ represents the length of each visit, in hours.

 

Clare made an error when solving -4x+3<23.

 

-4x+3<23

       -4x<20

            x<-5

 

What error did she make?

• x = -10

• x = -6

• x = 6

• x = 10

Which graph represents the solution to 6x+12<8x+5?

• 
• 
• 
•