Question

y=-2x^2+3-5
i have to find the axis of symmetry
the coordinates of the vertex
and tell whether the vertex is a maximum or a minimum

Answer 1

Do you remember how to complete the square?

Answer 2

what do u mean

Answer 3

Have you learned how to use the quadratic formula?

Answer 4

i don't remember will u show me the formula?

Answer 5

First you factor out your leading coefficient on the squared term from all your x terms.
\[y=-2x^2 + 3x -5\]
\[=-2(x^2 + (-3/2)x) -5\]

With me so far?

Answer 6

hey i think i got it thanks sooo much i used what u did the first problem and it came out right

Answer 7

Ok.