Answer: First question for the slope that passes through (-7, -2) and (6,-2) is m = 0. For the line that passes through (5, 3) and 5, -7) is m = 1/0.
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Explanation:
(−7,−2) and (6,−2)
(x₁,y₁) = (−7,−2)
(x₂,y₂) = (6,−2)
y₂ − y₁ / x₂−x₁
= −2 − −2 / 6 − −7
= 0/13
m = 0
m = y₂ − y₁ / x₂ − x₁
= −7 − 3 / 5 - 5
= −100
m = 1/0