Question 4 • Mathematics 8
First find the slope through (2, 18) and (−3, 8): (18 − 8) ÷ (2 − (−3)) = 10 ÷ 5 = 2. Then use y = mx + b with (2, 18): 18 = 2(2) + b, so b = 14. Darren should use 14, choice A.
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