Whether the viewing rectangle results in a square screen for X min = − 6 X max = 6 X scl = 1 Y min = − 2 Y max = 2 Y scl = 0.5 . Solution: No . The viewing rectangle does notresult in a square screen. Given information: X min = − 6 X max = 6 X scl = 1 Y min = − 2 Y max = 2 Y scl = 0.5 Explanation: The selections for X min , X max , Y min , and Y max must be adjusted so that the ratio of x to y must be 8 : 5 , in order to acquire the square screen. X min = − 6 Y min = − 2 X max = 6 Y max = 2 Then, the ratio of x to y is: ⇒ X max − X min Y max − Y min = 6 − ( − 6 ) 2 − ( − 2 ) = 12 4 = 3 1 Therefore, the viewing rectangle does not result in a square screen.

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Chapter B.5, Problem 5E

To determine

Whether the viewing rectangle results in a square screen for

Xmin = −6Xmax = 6Xscl = 1Ymin = −2Ymax = 2Yscl = 0.5.

Solution:

No. The viewing rectangle does notresult in a square screen.

Given information:

Xmin = −6Xmax = 6Xscl = 1Ymin = −2Ymax = 2Yscl = 0.5

Explanation:

The selections for Xmin , Xmax , Ymin , and Ymax must be adjusted so that the ratio of x to y must be 8:5, in order to acquire the square screen.

Xmin = −6Ymin = −2Xmax = 6 Ymax = 2

Then, the ratio of x to y is:

⇒Xmax−XminYmax−Ymin=6−(−6)2−(−2)=124=31

Therefore, the viewing rectangle does not result in a square screen.

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