Find the equation of a line passing through (-4,5) and (0,3). Express your answer in the form y = mx + c.
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Answer:
y = -½ x + 3
Step-by-step explanation:
Since (0,3) is on the line, the y-intercept is c=3.
The gradient of the line is
m = Δy / Δx = (5 - 3) / (-4 - 0) = 2 / -4 = -½.
The equation of the line is then
y = mx + c = -½x + 3
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