8th Grade NC Check-in

y = 2x + 6 and y = x + 3

What is the solution to this system of equations?

• (-3, 6)

• ( -3, 0)

• ( -1, 2)

• ( -1, 4)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

A line is represented by the equation y = 3x + 1. This graph shows a second line.

The first line is graphed on the same coordinate plane as the second line. At what point do the two lines intersect?

• ( -4, -3)

• (-1, -2)

• (2, -1)

• (5, 0)

Tags

CCSS.8.EE.C.8B

This graph shows the population in a city over several years.

Which choice describes the association between the year and the population?

• negative

• none

• positive

• varied

Tags

CCSS.6.SP.B.5C

CCSS.HSS.ID.A.3

Which scatterplot shows a positive non-linear correlation?

• A

• B

• C

• D

Tags

CCSS.HSS.ID.B.5

Is the line a good representation of the data shown?

• Yes

• No

Tags

CCSS.8.SP.A.2

This scatter plots represents the relationship between the number of weeks of summer and the number of visitors to various beaches. In the graph, what do the x and y-axes represent?

• x=week of summer

  y=number of visitors

• x=number of visitors

  y=week of summer

• They both represent the same thing.

• x and y do not apply to this graph.

Tags

CCSS.8.SP.A.1

This graph shows the relationship between the numbers of hours spent studying and the students' test scores. In the graph, what do the x and y-axes represent?

• x=test score

  y=number of hours studied

• x=number of hours studied

  y=test score

• They both represent the same thing.

• x and y do not apply to this graph.

Tags

CCSS.HSF.LE.B.5

Who has the greater rate of change?

• CJ has a greater rate of change with 13/2
• Holland has a greater rate of change with 6
• CJ has a greater rate of change with 2/13
• They have the same rate of change.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Which panda was heavier when they were born?

• Mochi
• Kappa
• Po the dragon warrior
• Jack Black

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6