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sky724
29.01.2020 •
Mathematics
On a coordinate plane, the endpoints of line segment jk are j (-10, 12) k (8, -12). point l lies on segment jk and divides it into two segments such that to lk is 5: 1. what are the coordinates of point l?
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Ответ:
(-7,8)
Step-by-step explanation:
The coordinates of the points dividing the line segment in ratio m:n can be calculated as:
Here x1, y1 are the coordinates of first point J (-10, 12) and x2, y2 are the coordinates of second point K(8, -12).
In this case m will be 5 and n will be 1 as the ratio is 5:1
Using all these values we can find the coordinates of point L
Thus, the coordinates of point L which divides the line segment JK in 5:1 are (-7,8)
Ответ:
Aswer is 4
Step-by-step explanation:
g(-2) = 2(-2)^2 + 2(-2)
= 8 - 4
= 4