7/18/2019 Quiz 2

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Mth 95 Quiz #2

last firstSummer 2011 Name:

(1) (3 points) List all numbers for which the following is undefined.

4x − 3

2x3 + 3x

2 − 2x

(2) (3 points) Divide and, if possible, simplify.

4x4

x2 − 1  ÷

2x3

x2 − 2x + 1

(3) (3 points) Subtract and, if possible, simplify.

3 + 5x

x2 − x− 12

 −6x − 1

x2 − x − 12

(4) (3 points) Add and, if possible, simplify.

1

x2− 25

 +  x− 5

x2− 4x − 5

(5) (3 points) Simplify.5

2x2

3

4x+   4

x3

(6) (2 points  bonus ) Simplify.

1 −1

1 −   1

1−  1

1−1a