Direction:Plot the data and describe the graph of each of the following
1.(-3,0) and (0,-3) 2. m = 2 b = 2
Answers
Step-by-step explanation:
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Given : 1. (-3,0) and (0,-3)
2. m = 2 b = 2
To Find : Plot the data and describe the graph
Solution:
slope intercept form y = mx + b
1. (-3,0) and (0,-3)
(-3,0) go 3 point left of origin
(0 , -3) go 3 point below origin
Draw a line passing through the points (-3,0) and (0,-3)
Slope = ( - 3 - 0)/(0 - (-3)) = - 3/3 = - 1
y = -x + b
-3 = b
=> y = -x - 3
=> x + y = - 3
=> x/-3 + y/-3 = 1
Slope = - 1
x and y intercept are -3
2. y = mx + b
m = 2 , b = 2
=> y = 2x + 2
x= 0 , y = 2 , plot point (0 , 2)
y = 0 => x= -1 , plot point (-1 , 0)
-2x + y = 2
x/-1 + y/2 = 1
x intercept = - 1
y intercept = 2
Slope = 2
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