8th Grade 8.9A - Systems of Equations

• (2, -2)
• (2, 2)
• (-2, 2)
• (-2, -2)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

• (2, -1)
• (-1, 2)
• (-2, 1)
• (1, -2)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

• (2, 0)
• (-2, 0)
• (0, 2)
• (0, -2)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

• (-3, 0)
• (0, 3)
• (3, 0)
• (0, -3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

CCSS.HSF.IF.B.4

• (-1, -4)
• (-1, -3)
• (-3, -1)
• (-4, -1)

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Where do these two lines intersect?

• (-3, 2)

• (-2, 3)

• (3, -2)

• (2, 3)

These two lines intersect at _____.

• (4, -2)
• (4, 2)
• (-2, 4) 
• No solution

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Answer the question presented with the graph:

• 15

• 30

• 33

• 24

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.F.B.5

Based on the graph, which of the statements appears to be true?

• The ribbons sold by Erica on day 18, is 6 less than the number sold by Frank.

• The ribbons sold by Frank on day 18, is 6 less than the number sold by Erica.

• The number of ribbons sold on day 18, is the same for both Frank and Erica

• The number of ribbons sold on day 18 cannot be determined for either Frank or Erica.

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.2

CCSS.8.F.B.5

CCSS.8.SP.A.2

Explain why the answer to this question is 6, and not 15:

• The answer actually is 15, NOT 6.

• Neither answer is correct for this problem.

• Because 6 is the number of days, and the question is asking for the number of ribbons left.

• Because 15 is the number of ribbons left, and the question is asking for the number of days.

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.2