8th Grade 6.1-6.3 Practice

List the ordered pairs show in the mapping diagram.

• (1, -1), (4,-3), (9,5)

• (-3,1), (-1, 1), (5,9)

• (1, -1), (4, -3)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Does this represent a function?

• Yes; function

  Each x goes to only 1 y.

• No, not a function

  Each x does NOT go to only 1 y.

Tags

CCSS.8.F.A.1

Does the mapping diagram represent a function?

• Function; each input goes to exactly 1 output.

• Not a Function; each input does NOT go to exactly 1 output.

• Function; there is a constant rate of change.

• Not a function; there is NOT a constant rate of change.

Tags

CCSS.8.F.A.1

Is this relation a function? Explain.

• Yes; each x goes to only 1 y.

• No, each input does NOT go to only 1 output.

• Yes, there is a constant rate of change.

• No, there is not a constant rate of change.

Tags

CCSS.8.F.A.1

Is this relation a function? Explain.

• Function

• Not a function

Tags

CCSS.8.F.A.1

The graph represents a linear function. Which of the following functions has the same slope as the function represented in the table?

(Note: IGNORE the y intercept)

• y = (3/2)x +4

• y = (2/3)x + 1
• y = 3x

• y = -2x+7

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Use the table to write a linear function that relates y to x.

(Hint: Find the slope)

• y = 3x + 1
• y = 3x
• y = -3x - 1
• y = -3x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Use the table to write a linear function that relates y to x

(Find the slope)

• y=x

• y=2+3

• y=2x+3

• y=2x+5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which of the following functions has the same slope as the linear function represented in the table?

• y = x + 4

• y = 5x

• y = 2x - 5

• y= 1/2x+4

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Complete the function (4, __)

• 1

• 4

• 0

Tags

CCSS.5.G.A.2