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If ax - 4y = -6 has a slope of $$ - \frac{3}{2}.$$ What is the value of a?
Answer & Solution
Correct Answer:
Option
C
$$\eqalign{
& ax - 4y = - 6 \cr
& \Rightarrow 4y = ax + 6 \cr} $$
$$\eqalign{ & y = \frac{a}{4}x + \frac{6}{4} \cr & \frac{a}{4} = \frac{{ - 3}}{2} \cr & \boxed{a = - 6} \cr} $$
$$\eqalign{ & y = \frac{a}{4}x + \frac{6}{4} \cr & \frac{a}{4} = \frac{{ - 3}}{2} \cr & \boxed{a = - 6} \cr} $$
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