Cc Algebra 9h - Vertex Form Worksheet
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2Name _______________________________
Date ___________________
CC Algebra 9H – Vertex Form
HW # 61
1. State the vertex for each of the following quadratic equations.
a. y = (x + 1) – 5
b. y = -3(x – 4)
2
+ 10
c. y = 1.2(x + .5)
2
- .25
d. y = (x + 90)
2
e. y= x
2
+ 27
f.
y = -5(x + 3)
2
+ 8
2. Write a quadratic equation that has the vertex stated.
a. (6, -3)
b. (-7, 14)
c. (0, 8)
d. (2.7, -3.14)
3
3. Write a quadratic equation to represent a function with (
, −6) as its vertex. Use a leading
−
4
coefficient other than 1.
4. Compare the graph of f(x) = -3(x + 9)
2
– 4 to its parent graph f(x) = x
2
. Use key vocabulary words
from the lesson.
5. Use key vocabulary words from this lesson to compare and contrast the graphs of the quadratic
equations y = x
2
+ 1 and y = -2x
2
+ 1.
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