Using elimination method, what will be the value of y after solving -x - y = 5 and -x + 4y = 15?
1 answer:
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(x₁,y₁) = (2,-3)
(x₂,y₂) = (2,9)
To determine the slope using two points lie on the line, we could use the following formula
m =
plug in the numbers
m =
m =
m =
m = undefined
The slope is undefined, the line is vertical
(x₂,y₂) = (2,9)
To determine the slope using two points lie on the line, we could use the following formula
m =
plug in the numbers
m =
m =
m =
m = undefined
The slope is undefined, the line is vertical