SOLUTION: Find values of a and k for a parabola containing the points given: y-k = a(x+3)^2 (-5,1)and (1,7) I've been working on this problem for a while, but I could use a little help.

SOLUTION: Find values of a and k for a parabola containing the points given: y-k = a(x+3)^2 (-5,1)and (1,7) I've been working on this problem for a while, but I could use a little help.

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Question 40097: Find values of a and k for a parabola containing the points given:
y-k = a(x+3)^2
(-5,1)and (1,7)
I've been working on this problem for a while, but I could use a little help. Thanks (:
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!

OK, put in the values (-5,1)

or

and put in the values (1,7)

or

So simultaneous equations
4a + k = 1
16a + k = 7

Subtract these to find a and then find k.

jon.
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