Math Test Worksheet - 2015 Page 7
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8____ 16. Use the graph to write an equation for the parabola.
y
4
2
–4
–2
2
4
x
–2
–4
a.
c.
b.
d.
____ 17. Identify the focus and the directrix of the graph of
.
a. focus (0, –5), directrix x = 5
c. focus (0, –5), directrix x = –5
b. focus (–5, 0), directrix x = –5
d. focus (–5, 0), directrix x = 5
What is an equation of a parabola with the given vertex and focus?
____ 18. vertex:
; focus:
a.
c.
b.
d.
____ 19. vertex:
; focus:
a.
c.
b.
d.
____ 20. vertex:
; focus:
a.
c.
b.
d.
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