What is the slope of the line that passes through the pair of points?

What is the slope of the line that passes through the pair of points?  

(-5.5, 6.1), (-2.5, 3.1) 

Question 1 options:

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-1

1

0

SaveQuestion 2

 (5 points)

Write the slope-intercept form of the equation for the line.

Question 2 options:

y = 8/5x + 1/2

y = -5/8x + 1/2

y = 8/5x - 1/2

y = 5/8x + 1/2

SaveQuestion 3

 (5 points)

Does the equation represent a direct variation? If so, find the constant of variation.

5x = -3y 

Question 3 options:

yes; k = -5/3

yes; k = 3/5

yes; k = 5/3

no

SaveQuestion 4

 (5 points)

Match the equation with its graph. -4x - 2y = 8

Question 4 options:

.

SaveQuestion 5

 (5 points)

What is the slope of the line that passes through the pair of points?

(1, 7), (10, 1) 

Question 5 options:

-3/2

-2/3

2/3

3/2

SaveQuestion 6

 (5 points)

The number of sofas a factory produces varies directly with the number of hours the machinery is operational. Suppose the factory can produce 455 sofas in 48 hours. What is an equation that relates the number of sofas produced, n, with the amount of time, t, in hours? What is the graph of your equation?  

Question 6 options:

t = 4.74n

n = 9.48t

t = 9.48n

n = 0.11t

SaveQuestion 7

 (5 points)

Find the