Question 10 • Applications and Modeling
The slope through the points is (7 − 3) ÷ (−4 − (−2)) = 4 ÷ (−2) = −2. Using y = mx + b and the point (−2, 3), we get 3 = (−2)(−2) + b, so b = −1. The equation is y = −2x − 1, choice A.
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