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Laabri

10/13/2022-Unit 2B Test

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Last updated about 3 years ago
26 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:
4
4
4
4
4
4
4
6
8
4
5
6
4
2
6
6
3
3

Remember, if you do not show on work on problems requiring work, you will not receive credit.

Desmos Calculator: https://www.desmos.com/testing/virginia/scientific

Quadratic Formula:

Remember, if you do not show on work on problems requiring work, you will not receive credit.

Desmos Calculator: https://www.desmos.com/testing/virginia/scientific

Quadratic Formula:

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1.

is the equivalent to which of the following (choose all the apply!!)

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2.

Simplify:

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3.

Simplify:

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4.

Simplify:

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5.

Simplify:

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6.

Simplify

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7.

Simplify:

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8.

Solve by graphing

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9.

Solve by substitution. Show your work!!

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10.

Simplify:

Then choose from the following to create the real and imaginary portion of the what you simplify:

a=__________

b=__________

(just choose the correct values below that you found when simplifying and include their correct sign)

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11.

Solve over the set of complex numbers:

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12.

Solve:

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13.

Find the discriminant of

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14.

Which of the following describes the nature of the roots of the function whose graph is shown above?

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15.

Solve AND REDUCE over the set of complex numbers:

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16.

Solve over the set of complex numbers:

These questions go together:

4
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17.

Given the function:

Find the discriminant.

2
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18.

Given the function:

Use the discriminate you found to determine the number and type of root.

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19.

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20.

2
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21.

What is h?

2
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22.

What is k?

2
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23.

What is the increasing interval?

(remember that you're using x values...where, in relation to x, is the graph going up?)

2
2
3
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24.

What is the decreasing interval?

(remember that you're using x values...where, in relation to x, is the graph going down?)

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25.

What is the range?

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26.

What is the solution set of this equation? (using { } )