Name ________________________
Standard/Vertex Form of a Quadratic
Convert the following quadratics from vertex form to standard form.
1)
y = -
(x
–
1)
2
–
1
2)
y = 2(x
–
2)
2
–
3
3)
y = (x + 4)
2
+ 4
Convert the following quadratics from standard form to vertex form.
4)
y = x
2
–
8x + 15
5)
y = x
2
–
4x
6)
y = x
2
+ 8x + 18
7)
y = x
2
+ 4x + 3
8)
y = x
2
–
2x + 5
9)
y = x
2
–
8x + 17
12)
y = -x
2
+ 4x
–
1
13)
y = -x
2
–
6x
–
7
14)
y = 2x
2
–
8x + 9
15)
y = -x
2
–
6x
–
10
16)
y = -
2x
2
+ 12x
–
21
17)
y = x
2
+ 8x + 15