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Bunuel
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What is the slope of the line passing through the points (–1,4) and (2 15 Jan 2021, 12:00
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!

Difficulty:

5% (low)

Question Stats:

87% (00:37) correct 13% (00:47) wrong based on 60 sessions

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What is the slope of the line passing through the points (–1,4) and (2,–5) in the standard (x,y) plane?

(A) –3
(B) –1/3
(C) 0
(D) 1/9
(E) 9
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A
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What is the slope of the line passing through the points (–1,4) and (2 15 Jan 2021, 12:06
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\(Slope = \frac{(4-(-5))}{(-1-2)} = \frac{9}{(-3)} = -3\)

Ans is A IMO
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What is the slope of the line passing through the points (–1,4) and (2 20 Jan 2021, 15:59
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Bunuel
What is the slope of the line passing through the points (–1,4) and (2,–5) in the standard (x,y) plane?

(A) –3
(B) –1/3
(C) 0
(D) 1/9
(E) 9
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Solution:

Using the slope formula, we have:

m = (4 - (-5)) / (-1 - 2) = 9 / (-3) = -3

Answer: A
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