A street that is 40 yards long has a tree every 10 yards on both sides. How
1 answer:
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Answer:
D
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
y - 3 = 4(x - 10) ← is in point- slope form
with slope m = 4
Given a line with slope m then the slope of a line perpendicular to it is
= -
= -
The perpendicular line passes through (- 3, 7), hence
y - 7 = - (x - (- 3)), that is
y - 7 = - (x + 3) → D
