Chapter 7 Review

Inequalities

100

Graph y>x+2

Table 6

200

Graph: y<2x-3

Table 4

300

Graph: y<3x+4 & y>-2x-1

Table 2

400

Is (4,4) a solution of the system of linear inequalities? y<3x-4 & y>(1/2)x+2

Table 5

500

Graph: -3x+y<-2 & x<1

Table 3

Angry Exponents

100

5⁰

1

200

(8)^-2

1 /64

300

x^-15

1 /x¹⁵

400

15(5^-3)

3/25

500

6²x^-12y^-4

36/x¹² y⁴

BASEball

100

2⁴ ⋅ 2³

2⁷

200

x⁸ ⋅ x^-3

x⁵

300

m⁸ /m³

m⁵

400

x³y² / x²y⁹

x /y⁷

500

8x⁴y^-2 / 4x²y⁵

2x² / y⁷

Powers of Powers

100

(4⁴)⁵

4²⁰

200

(x⁷)⁸

x⁵⁶

300

(5⁰)^-2

400

(5x⁴y^-5)³

125x¹²/y¹⁵

500

(-6m⁸y³)^-2

1/36m¹⁶y⁶

Mix it up

500

Chocolate chips cost $2 per pound and peanuts cost $5 per pound. How many pounds of each should you use to make a 30 pound mixture that costs $4 per pound?

10 pounds of chocolate chips and 20 pounds of peanuts