A line that includes the points (7,u) and (6,6) has a slope of -8. What is the value of u?
2 answers:
Answer:
(6-u)/(6-7)= (6-u)/-1= 8
6 - u = -8
-u = -14
u = 14
Answer:u = - 2
Step-by-step explanation:
Slope = change in value of y on the vertical axis / change in value of x on the horizontal axis
change in the value of y = y2 - y1
Change in value of x = x2 -x1
y2 = final value of y
y 1 = initial value of y
x2 = final value of x
x1 = initial value of x
From the information given,
Slope = - 8
y2 = 6
y1 = u
x2 = 6
x1 = 7
Therefore,
- 8 = (6 - u)/(6 - 7)
- 8 = (6 - u)/ - 1
6 - u = 8
u = 6 - 8 = - 2
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