emmaishere69
03.04.2020 •
Mathematics
The function y = -x - 1 and y = ½x + k intersect at the point (-2,1). Find the value of k.
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Ответ:
k = 2
Step-by-step explanation:
Fill in the given point values and solve for k.
y = (1/2)x + k
1 = (1/2)(-2) +k . . . . . . for x = -2, y = 1
1 = -1 +k . . . . simplify; next, add 1
2 = k
Ответ: