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In the rectangular coordinate system above, the shaded region is bound
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29 Aug 2023, 03:12
29 Aug 2023, 03:12
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72% (01:06) correct
27% (01:42) wrong based on 11 sessions
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In the rectangular coordinate system above, the shaded region is bounded by straight lines. Which of the following cannot be the equation of one of the boundary lines?
A. X = 0
B. Y = 0
C. Y = 10
D. Y – 2X = 10
E. Y – 2X = 20
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Re: In the rectangular coordinate system above, the shaded region is bound
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10 Sep 2023, 09:10
10 Sep 2023, 09:10
1
The horizontal line running through (0, 10) is y = 10.
The axis form the other sides of the shaded area, so those are x = 0 and y = 0.
That leaves the slanted line. With rise/run = slope, the rise is 20/10 = 2 = slope.
Equation is y = 2x + b. The y-intercept is (0, 20), also one of the points used to find the slope. The equation becomes y = 2x + 20. Rearranged to fit the form in the answer choices, y - 2x = 20.
Means answer choice D is the correct answer.
The axis form the other sides of the shaded area, so those are x = 0 and y = 0.
That leaves the slanted line. With rise/run = slope, the rise is 20/10 = 2 = slope.
Equation is y = 2x + b. The y-intercept is (0, 20), also one of the points used to find the slope. The equation becomes y = 2x + 20. Rearranged to fit the form in the answer choices, y - 2x = 20.
Means answer choice D is the correct answer.
gmatclubot
Re: In the rectangular coordinate system above, the shaded region is bound [#permalink]
10 Sep 2023, 09:10
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