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Author Question: Describe the intersection of the graphs of x2 + z2 = 4 and y = 2. (Read 72 times)

lbcchick

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Question 1

If  line L  passes through point (1, 2, 3) and is perpendicular to the xy-plane, what are the  coordinates of the points on the line that are at a distance 7 from the point P(3, -1, 5)?
◦ (1, 2, -2)  and  (1, -2, 12)
◦ (1, 2, 0)  and  (1, 2, 10)
◦ (1, 2, -1)  and  (1, 2, 11)
◦ (1, 2, 1)  and  (1, 2, 9)
◦ (1, 2, -4)  and  (1, 2, 10)

Question 2

Describe the intersection of the graphs of x2 + z2 = 4 and y = 2.
◦ circle of radius 2 with centre at (1, 2, 1) in the plane y = 2
◦ circle of radius 2 with centre at (0, -2, 0) in the plane y = -2
◦ circle of radius 4 with centre at (0, 2, 0) in the plane z = 2
◦ circle of radius with centre at (0, 2, 0) in the plane y = 2
◦ circle of radius 2 with centre at (0, 2, 0) in the plane y = 2


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Marked as best answer by lbcchick on May 27, 2021

verrinzo

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lbcchick

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Reply 2 on: May 27, 2021
Excellent


bblaney

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Reply 3 on: Yesterday
Wow, this really help

 

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