alleryA direct proportion y = kx is a linear equation with a y-intercept of
A1
Bk
C-k
D0
Answer & Solution
Correct answer: D. 0
1. Put x = 0 into y = kx.
2. Then y = 0, so the line passes through the origin.
3. Its slope is k, which is positive, and its intercept is 0.
_Source: Wikipedia, Proportionality (mathematics), Direct proportionality_
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