From Vertex Form To Standard Form Worksheet - Algebra Ii, Wilsen Page 9
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93.
Find the x-intercepts of each of the following, if they exist… if they don’t, explain
why. Using the quadratic formula should be your last resort (and if you DO have to
use it, remember to find ∆ delta first).
y = 4x
y = 4x
(a)
(b)
2
2
– 36
– 36x
y = 4x
+ 36
y = 4x
+ 36x
(c)
(f)
2
2
y = 3x
+ 12x – 15
y = 2x
− 7x + 8
(f)
(g)
2
2
y = 8x
y = 15x
+ 7x – 2
(h)
(i)
2
2
– 14x – 15
y = 3x
− 7x + 1
y = 2x
+ 5x + 1
(j)
(k)
2
2
page 18
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