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OpenStudy (anonymous):
Find a real number, k, such that the line 5x+ky+4=0 has y-intercept 2.
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OpenStudy (anonymous):
If the line has a y-intercept of 2, then the point (0,2) is on that line. Substitute x = 0 and y = 2 into the given equation; we get 5(0) + k(2) + 4 = 0 0 + 2k + 4 = 0 k = - 2
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