Asked by Erica
How would I find the a for the equation y= a(x-h)^2+k. I'm looking at a graph, and I can solve for everything except for a. What is it supposed to be?
Answers
Answered by
Reiny
If you can see the vertex, fill in those values
e.g. if the vertex is (5,7)
your equation would be
y = a(x-5)^2 + 7
Now see if you can find another point given on your curve, and sub that point in for the x and y, leaving a as the unknown that you can solve for.
e.g. if the vertex is (5,7)
your equation would be
y = a(x-5)^2 + 7
Now see if you can find another point given on your curve, and sub that point in for the x and y, leaving a as the unknown that you can solve for.
Answered by
Erica
Thank you.
Answered by
Emily
If you have a equation how do you transfer that into a table?
without using a graphing calculator?
without using a graphing calculator?
Answered by
Emily
how do you make a table out of an equation??
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