Systems and Linear Programining Test

x + 2y = -4
x - 2y = 8

• (2,5)
• (2,-3)
• (2,-2)
• (-3,2)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the value of the y-coordinate of the solution to the system of equations 
x-2y=1
x+4y=7 

• 1
• -1
• 3
• 4

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)
• (-1,-3)
• (-1,3)
• (3,1)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Solve using any method.
2x + 3y = 7
2x + y = 3

• (1/2,2)
• (3/2,5)
• (1,4/3)
• (1,2)

Graph and identify a possible solution
y>-3x+2
y≤2x-3

• (2,3)
• (1,4)
• (-2,-3)
• (4,2)

Tags

CCSS.HSA.REI.D.12

Select the correct graph for each inequality.

• A
• B
• C
• D

Tags

CCSS.HSA.REI.D.12

Erin is 3 years younger than twice Alex's age. Their ages combined are 33 years. How old are Alex and Erin. If x=Erin's age and y=Alex's age, choose the system that matches the situation.

• x + y = 33
  y = 2x - 3
• x + y = 33
  x = 2y - 3
• x + y = 33
  x = 3 - 2y
• x + y = 3
  x = 33 - 2y

Tags

CCSS.HSA.CED.A.3

Two brothers went shopping at a back-to-school sale where all shirts and shorts were the same price. The younger brother spent no more than $175 on 7 new shirts and 7 pairs of shorts. The older brother purchased 6 new shirts and 7 pairs of shorts and did not exceed $165. How much could one shirt cost?

• $5

• $10

• $15

• $20

6) Find the solution to the system of inequalities by graphing.
y<x² -9
3 + y > x

• (A)
• (B)
• (C)
• (D)

Tags

CCSS.HSA.REI.D.12

3)  Which of the graphs is
y > x² +4x - 1
?

• (A)
• (B)
• (C)
• (D)

Tags

CCSS.HSF-IF.C.7A