Review 1 for Alg 2 Sem 1 Exam

-4x-2y=-12
4x+8y=-24

• (5,6)
• (6,-6)
• (6,-2)
• (4,-3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A

This system has _____ solutions

• no
• 1
• 2
• Infinitely many

Tags

CCSS.8.EE.C.8A

Solve the system 
-x -4y -2z = 20
-x -5y -5z = 23
x -3y -z = 19

• (2, -6, 1)
• (1, -4, 5)
• (-1, -12, -8)
• (0, -8, -6)

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.8

CCSS.HSA.REI.C.9

Solve the system 
-2a - b + c = 6
-3a - 5b + 5c = 16
-3a - 6b - c = -24

• (-2, 4, 6)
• Infinitely Many Solutions
• (-8, -12, 5)
• No Solution

Which system of inequalities is shown?

• y ≥ -x - 1
  y < x + 4
• y < -x - 1
   y ≥ x + 4
• y > -x - 1
  y ≥ x + 4
• y > -x - 1
  y ≥ x + 3

Tags

CCSS.HSA.REI.D.12

Which graph represents y≥ -2x -0.8

• 
• 
• 
• 

Tags

CCSS.HSA.REI.D.12

Which graph represents y < 3x+5.5

• 
• 
• 
• 

Tags

CCSS.HSA.REI.D.12

Which point is a solution?

• (0, 6)
• (-3, 4)
• (1, 0)
• (-4, 3)

Find B-A

• -4     0
  6     -1
• 1     0
  1     -4
• 4       0
  -6     1
• not possible because rows do not match columns

Tags

CCSS.HSN.VM.C.8