If the graph of a linear equation passes through (0, -2) and has a slope -3, what is its equation?
Show answer & explanation
Correct answer: B
Explanation
Given:
Point = (0, −2)
Slope = −3
By the formula:
y − y₁ = m(x − x₁)
y − (−2) = −3(x − 0)
y + 2 = −3x
y = −3x − 2