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 =
6/8/2018 xyzHomework Assessment
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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 =
6/8/2018 xyzHomework Assessment
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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 =
6/8/2018 xyzHomework Assessment
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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
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 =
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 =
6/8/2018 xyzHomework Assessment
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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 =
