Graphing Inequalities and Equations

Which graph matches the inequality
r ≥ -6?

• A

• B

• C

• D

Which graph matches the inequality 
2.5 ≤ x?

• A

• B

• C

• D

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

• <, >

• ≤, ≥ 

• ≤, <

• ≥, >

Which graph matches the inequality
2 > p?

• A

• B

• C

• D

Kelsey's puppy currently weighs 5 pounds and the vet says he will gain 4 pounds per month, x. He will weigh a minimum of 39 pounds.

• 5x + 4 = 39

• 4x + 5 = 39

• 5x + 4 ≤ 39

• 4x + 5 ≥ 39

The maximum number of students that can go on a field trip is 39. Four of the students are being dropped off by their parents. The rest of the students, x, will ride in 5 busses.

• 5x + 4 = 39

• 4x + 5 = 39

• 5x + 4 ≤ 39

• 4x + 5 ≥ 39

Kevin has $5 in his piggy bank. He adds $4 per week to his bank and his goal is to save $39.

• 5x + 4 = 39

• 4x + 5 = 39

• 5x + 4 ≤ 39

• 4x + 5 ≥ 39

Select the correct graph for each inequality.

• A

• B

• C

• D

What is the equation of this line?

• y = 2x +2

• y = 2x -2

• y = -x + 2

• Cannot be Determined

Give the y-interecept
3x + y = 5

• -3

• (0,5)

• -5

• (0, -3)