Chapter 3 Alg2 Review

Solve each system of equations or inequalities by graphing. 3x - 2y = 6 2x + y = 4

• (2, 0)

• (0, 4)

• (4, -4)

• (2, 2)

Tags

CCSS.8.EE.C.8B

Solve each system of equations or inequalities by graphing. 4x - 3y < 9 2x + y ≥ 5

• The solution is the region above the line 4x - 3y = 9 and below the line 2x + y = 5.

• The solution is the region below the line 4x - 3y = 9 and above the line 2x + y = 5.

• The solution is the region above the line 4x - 3y = 9 and above the line 2x + y = 5.

• The solution is the region below the line 4x - 3y = 9 and below the line 2x + y = 5.

Tags

CCSS.HSA.REI.D.12

Solve each system of equations by using substitution. x + 3y = 12 5x + y = 4

• (2, 3)

• (3, 2)

• (0, 4)

• (4, 0)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A printing company sells small packages of personalized stationery for $7 each, medium packages for $12 each,and large packages for $15 each. Yesterday, the company sold 9 packages of stationery, collecting a total of $86. Three times as many medium packages were sold as large packages.Find the number of each size package sold.

• Small: 5, Medium: 3, Large: 1

• Small: 5, Medium: 2, Large: 2

• Small: 6, Medium: 2, Large: 1

• Small: 5, Medium: 1, Large: 3

GEOMETRY Find the area of a triangle whose vertices are located at ((-7, -1), (1, 6), (5, -3)).

• 20 square units

• 30 square units

• 40 square units

• 50 square units

Tags

CCSS.HSG.GPE.B.7

• a = 3.5 b = -2

• a = 3, b = 1

• a = 2, b = 2

• a = 5, b = 0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

• Yes, they are inverses.

• No, they are not inverses.

Tags

CCSS.HSA.REI.C.9

Solve the system of inequalities: c ≥ 0, b ≥ 0, 6c + 30b ≤ 600, c + b ≤ 60.

• 50 cars, 10 buses

• 40 cars, 20 buses

• 30 cars, 30 buses

• 20 cars, 40 buses

How many solutions will this system have? 

• No solution
• One Solution
• I Don't Know
• Infinitely Many Solutions

Tags

CCSS.8.EE.C.8A

y = 3x + 5

x - y = 7

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6