hadellolo8839
15.12.2020 •
Mathematics
25. A line passes through (2, -1) and (8, 4). Write an equation for the line in point-slope form.
Rewrite the equation in standard form using integers.
y+1 = (x - 2); -5x + 6y = -16
5
y - 1 = 7(x - 2); -5x + 6y = 16
y - 2 = 7 (x + 1); -5x + 6y = 17
=
y + 1 = 7 (x + 2); -5x + 6y = -16
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Ответ:
(9,11)
Explanation: if you plot (9,11) on a grid you can see that the length between 3 and 9 is 6. And the length between 9 and 11 is 6. 6 times 6 is 36. The two length have to be equal to each other because it is a square.