systems of equations review

If Ms. Noble gets a good sub report the class will have ___________ on Thursday.

• Candy or Merit Points

• Demerit points

• Noble Prizes

How many solutions does this graph have?

• One

• None

• Infinite

Solve the system of equations:

y = -4

y = 2x - 2

• (1, 4)

• (-4, -1)

• (-1, -4)

• (1, -4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Which equation has a solution of (-2, 9)

• y = .5x + 10

• y = .5x - 10

• y = 3x + 3

Which is the solution to this system of equations?

-3x + 2y = 48

3x + y = 42

• (4, 30)

• (4, 15)

• (30, 4)

Chris's bedroom has a perimeter of 44 ft. The length of his bedroom is 2 more than the width. What system of equations could be used to find the dimensions of his room?

• 44 = 2L + 2W

  L = 2W

• 2L = W

  44 = 2L + 2W

• L = W + 2

  44 = L + W

What is the solution to the system?

• (0, 3)
• (1, -1)
• (-3, 1)
• (1, 3)

Tags

CCSS.8.EE.C.8A

^{What is the solution?} 

• 1
• -2
• (1, 2)
• (1, -1)

Tags

CCSS.8.EE.C.8A

In a pasture are horses and chickens if there are a total of 28 animals and 80 legs how many chickens and horses?

• 10 horses, 18 chickens
• 16 horses, 12 chickens
• 12 horses, 16 chickens
• 18 horses, 10 chickens

Tags

CCSS.8.EE.C.8C

If a system of equations has no solution, what does the graph look like? 

• intersecting lines
• parallel lines
• skew lines
• intersecting lines

Tags

CCSS.8.EE.C.8A