Deck #2

Front 1

Solve:

x-2 ≥ 2x + 5

a. x≤7

b. x≤-7

c. x≥7

d. x≥-7

Back 1

b.

Front 2

Describe the graph that represents the solution of 3x+1<7.

a. Open circle at 2.5 with the line pointing in the negative direction.

b. Open circle at 2 with the line pointing in the negative direction.

c. Open circle at 2.5 with the line pointing in the positive direction.

d. Open circle at 2 with the line pointing in the positive direction.

Back 2

b.



***Remember that when there is only one variable, the graph will be a number line graph, not a x-y-axis graph.

Front 3

A farmer has 720 acres. She will use 80 acres for alfalfa, 300 acres for corn, and 100 acres for oats. If she wants to leave between 100 and 200 acres unplanted, how many acres can she use for rye?

a. between 240 and 340 acres

b. between 140 and 240 acres

c. between 100 and 200 acres

d. between 40 and 140 acres

Back 3

d.

Front 4

Solve

-23≤5n+7<2

a. {n| n≤-1}

b. {n| n≠-1}

c. {real numbers}

d. {n| n<-1 and n≥-6}

Back 4

d.

Front 5

Solve

|2x-3|≤9



a. {x| x≤6}

b. {x| -6≤x≤6}

c. {x| -3≤x≤6}

d. {x| x≤-3 or x≥6}

Back 5

c.

Front 6

Geraldo has 50 feet of fencing to build a dog pen. He wants the width of the pen to be between 5 feet and 10 feet. Which inequality represents the length of the dog pen?

a. 5≤L≤10

b. 15≤L≤20

c. 5≥L≥10

d. 15≥L≥20

Back 6

b.