QUESTION 1 Suppose the American Medical Association Center for Health Policy Research included data, by state, on the number of community hospitals and the average patient stay (in days) in….

## Find the slope of a line perpendicular to the line that passes through

6/8/2018 xyzHomework Assessment

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Name: amanda jones3.5

#1 Points possible: 1. Total attempts: 3

Give the equation of the line with the given slope and y-intercept.

m = , b =

5/2x+5

#2 Points possible: 1. Total attempts: 3

Find the slope and y-intercept for the following equation by writing it in the form . Then, graph the equation.

Equation: 2x+4

5

2 5

y =

y = mx + b

−2x + y = 4

y =

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#3 Points possible: 1. Total attempts: 3

Find the slope and y-intercept for the following equation by writing it in the form . Then, graph the equation.

Equation:

y = mx + b

3x + 4y = 12

y =

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#4 Points possible: 1. Total attempts: 3

Find the slope and y-intercept for the following equation by writing it in the form . Then, graph the equation.

Equation:

#5 Points possible: 1. Total attempts: 3

For the following problem, the slope and one point on a line is given. Use the point-slope form to find the equation of that line. (Write your answer in slope-intercept form.)

, m =

2x-1

y = mx + b

−2x − 4y = 8

y =

( − 3, − 7) 2

y =

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#6 Points possible: 1. Total attempts: 3

For the following problem, the slope and one point on a line is given. Use the point-slope form to find the equation of that line. (Write your answer in slope-intercept form.)

, m =

#7 Points possible: 1. Total attempts: 3

For the following problem, the slope and one point on a line is given. Use the point-slope form to find the equation of that line. (Write your answer in slope-intercept form.)

, m =

#8 Points possible: 1. Total attempts: 3

, m =

0x+2

#9 Points possible: 1. Total attempts: 3

For the following problem, the slope and one point on a line is given. Use the point-slope form to find the equation of that line.

, m = undefined

( − 4, − 3) − 1

2

y =

( − 1, 2) −3

y =

( − 4, 2) 0

y =

( − 4, 4)

y = − 4

y = 4

x = − 4

x = 4

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#10 Points possible: 1. Total attempts: 3

Find the equation of the line that passes through the pair of points. Write your answer in slope-intercept form.

,

3x-1

#11 Points possible: 1. Total attempts: 3

Find the equation of the line that passes through the pair of points. Write your answer in slope-intercept form.

,

#12 Points possible: 1. Total attempts: 3

Find the equation of the line that passes through the pair of points. Write your answer in slope-intercept form.

,

( − 2, − 7) (2, 5)

y =

( − 2, 5) ( − 1, 3)

y =

(6, − 8) (3, − 6)

y =

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#13 Points possible: 1. Total attempts: 3

Find the slope and y-intercept for the line. Then write the equation of the line in slope-intercept form.

1 2 3 4 5 6-1-2-3-4-5-6

1 2 3 4 5 6

-1 -2 -3 -4 -5 -6

Slope = 2 y-intercept = (0, 1 ) Equation: 2x+1 y =

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#14 Points possible: 1. Total attempts: 3

Find the slope and y-intercept for the line. Then write the equation of the line in slope-intercept form.

1 2 3 4 5 6-1-2-3-4-5-6

1 2 3 4 5 6

-1 -2 -3 -4 -5 -6

Slope = 4/3 y-intercept = (0, -1 ) Equation: (4x)/3-1

#15 Points possible: 1. Total attempts: 3

Find the equation of the line with -intercept and -intercept .

(5x)/2×5

#16 Points possible: 1. Total attempts: 3

Find the slope of a line parallel to the line that crosses and the -intercept is .

#17 Points possible: 1. Total attempts: 3

Find the slope of a line parallel to the line that passes through and .

y =

x (2, 0) y (0, 5)

y =

( − 2, 2) y (0, − 3)

m =

( − 4, − 3) ( − 2, − 4)

m =

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#18 Points possible: 1. Total attempts: 3

Find the slope of a line perpendicular to the line that passes through and .

#19 Points possible: 1. Total attempts: 3

Value of a Copy Machine. Cassandra buys a new color copier for her small business. It will cost $21,000 and will decrease in value each year. The graph below shows the value of the copier after the first 5 years of ownership.

a. How much is the copier worth after 5 years? It will be worth $ 6000 after 5 years. b. After how many years is the copier worth $12,000? It will be worth $12,000 after 3 years. c. Find the slope of this line. The slope of this line is -3000 . d. By how many dollars per year is the copier decreasing in value? The copier decreased $ 3000 in value per year. e. Find the equation of this line where V is the value after t years. V=-3000t+21000

( − 4, − 1) ( − 2, 3)

m =