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In an x-y plane, find the area of the common region between
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22 Feb 2020, 21:16
22 Feb 2020, 21:16
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Question Stats:
55% (02:08) correct
45% (02:09) wrong based on 20 sessions
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In an x-y plane, find the area of the common region between |x + y| < 20 and 0 < y < 20.
A) 900
B) 800
C) 700
D) 600
E) 500
A) 900
B) 800
C) 700
D) 600
E) 500
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Joined: 30 Mar 2020
Posts: 27
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WE:Research (Health Care)
Re: In an x-y plane, find the area of the common region between
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18 May 2020, 19:09
18 May 2020, 19:09
Can anyone help out with this?
Re: In an x-y plane, find the area of the common region between
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18 May 2020, 21:51
18 May 2020, 21:51
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|x + y| < 20;
the modulus represent the region between lines: (x + y) < 20 and (x + y) > -20
we can draw line: x + y =20 and x + y = -20
now the region between |x + y| < 20 and 0 < y < 20, which is a parallelogram
Area of parallelogram: base*height = 40*20 = 800
the modulus represent the region between lines: (x + y) < 20 and (x + y) > -20
we can draw line: x + y =20 and x + y = -20
now the region between |x + y| < 20 and 0 < y < 20, which is a parallelogram
Area of parallelogram: base*height = 40*20 = 800
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