Vertex Form Worksheets With Answer Key - Algebra Ii A Review 7 Page 3

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b. vertex: (–2, –5);
d. vertex: (2, –5);
y-intercept: –1
y-intercept: –1
6. Use a graphing calculator to solve the equation
. If necessary, round to the nearest
hundredth.
a. –0.77, 0.77
c. –0.38, 1.16
b. –0.77, 2.32
d. –1.16, 0.38
7. Identify the graph of the complex number
.
a.
c.
b.
d.
8. Use a graphing calculator to determine which type of model best fits the values in the table.
x
–6
–2
0
2
6
y
192
24
0
16
168
a. cubic model
c. linear model
b. quadratic model
d. none of these
9. Use a graphing calculator to find a polynomial function to model the data.
x
1
2
3
4
5
6
7
8
9
10

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