Describe the intersection of the graphs of x2 + z2 = 4 and y = 2.

[lbcchick]

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

[verrinzo]

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[lbcchick]

YES! Correct, THANKS for helping me on my review

[amcvicar]

Thanks for the timely response, appreciate it