c: chapter 1 review

Is this a direct variation?
y=2x

• yes
• no

Does the relationship represent direct variation?

• Yes
• No

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26
• 3
• 58.5
• 2

Tags

CCSS.HSF-LE.A.1B

Write the equation for the table given.

• y = 1/3x
• y = 3x
• y = 1/2x

Tags

CCSS.6.EE.C.9

 y varies directly with x, and y is 16 when x is 32. Which equation represents this situation?

• y=32x
• y=16x
• y=2x
• y=(1/2)x

Which graph shows a proportional relationship between x and y?

• A
• B
• C
• D

Tags

CCSS.7.RP.A.2D

Is the given table a direct variation? If so, what is the constant?

• Yes; 1/4
• Yes; 4
• Yes; 2
• No

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2
• -1/2
• 2
• -2

Tags

CCSS.8.EE.B.5

Find the slope of the line that passes through
(10, 1) and (5, 2)

• 1/5
• -1/5
• 5
• -5

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• -2
• 2
• -1
• 1

Tags

CCSS.8.EE.B.5