Question

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Which of these pairs of points defines a line with a slope of -1?
A. (3, 10) and (3, 5)
B. (3, 10) and (5, 3)
C. (10, 3) and (15, -2)
D. (10, 3) and (3, 5)

Answer 1

Answer:

b

Step-by-step explanation:

Hope this helps

Answer 2

Its c, because change in y = -2-3 =-5 and change in x = 15-10 = 5 so -5/5 = -1 which is the gradient/slope.