Quiz 5.1 - 5.4

Which equation is equivalent to y - 6 = - 12 (x + 4)?

• y = - 6x - 48
• y = 6x - 48
• y = - 12x - 42
• y = - 12x - 54

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope of the line that passes through the points (- 2, 5) and (1, 4)?

• - 3
• - 1
• - 1/3
• 1/3

Tags

CCSS.8.EE.B.5

A line has slope - 5/3.  Through which two points could this line pass?

• (12, 13) and (17, 10)
• (16, 15) and (13, 10)
• (0, 7) and (3, 10)
• (11, 13) and (8, 18)

Tags

CCSS.HSF.IF.A.1

The pair of points (6, y) and (10, - 1) lie on a line with slope 1/4.  What is the value of y?

• - 5
• - 2
• 2
• 5

Tags

CCSS.8.EE.B.5

What is the slope of a vertical line?

• - 1 
• 0
• 1
• undefined

Tags

CCSS.8.EE.B.5

Shawn needs to read a book that is 374 pages long.  The graph shown shows his progress over the first 8 hours of reading.  If he continues to read at the same rate, how many hours total will it take for Shawn to read the entire book?

• 15 hours
• 17 hours
• 19 hours
• 21 hours

Tags

CCSS.HSF.LE.B.5

Suppose y varies directly with x and y = 14 when x = - 4.  What is the value of y when x = - 6?

• 21
• 7
• 14
• - 21

Suppose y varies directly with x and y = 25 when x = 140.  What is the value of x when y = 36?

• 201.6
• 134.7
• 150
• 225.5

The point (12, 9) is included in a direct variation.  What is the constant of variation?

• 3/4
• 4/3
• 3
• - 3

The equation of the line on the graph is a direct variation equation.  What is the constant of variation?

• 1/4
• 4
• - 1/4
• 0