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06 Jun 2022, 05:15
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D
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Difficulty:
25%
(medium)
Question Stats:
67% (00:59) correct
33%
(01:12)
wrong
based on 51
sessions
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Points C and D are located at (−3, 4) and (5, −12), respectively. Line m passes through points C and D. What is the slope of a line that is perpendicular to line m ?
A. −4
B. −2
C. –1/2
D. 1/2
E. 2
A. −4
B. −2
C. –1/2
D. 1/2
E. 2
06 Jun 2022, 06:34
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Bunuel
Like the majority of slope questions, we don't need to actually find the slope in order to get the right answer.
We can make a super rough sketch plotting the two points, draw a line connecting them, and then draw a line perpendicular to the first line.
The second line goes up and to the right. So is it positive or negative? Positive. A, B, and C are wrong.
Is the second line steeper than 45 degrees or not as steep as 45 degrees? Not as steep; slope has to be less than 1. E is wrong.
Answer choice D
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