Posted by spazed out on Friday, December 7, 2012 at 1:58am.
I have two questions please
1.for the given equation list the intercepts and test for symmetry
49x^2+y^22=49
2. for the midpoint of the line segment from p_1 to P_2 is (5,4). if P_1=(2,2) what is P_2?
Please show work

calculus  Reiny, Friday, December 7, 2012 at 8:01am
49x^2 + y^2 = 49
divided by 49
x^2 / 1 + y^2 / 49 = 1
an ellipse :
xintercepts: (1,0) , (1,0)
yintercepts: (0,7), (0, 7)
2.
for the x of P2:
(x2)/2 = 5
x2 = 10
x = 8
for the y of P2:
(y+2)/2 = 4
y+2 = 8
y = 6
P2 is (8,6)
check:
the midpoint between (8,6) and (2,2) is ( 5,4)
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