Quiz about Zero and Negative Exponents

Question 1

Simplify the following expression:

(xyz)⁰ =

Accepted Answer

1

Answer

0

Answer

xyz

Answer

-1

Question 2

Rewrite as a positive exponent: 6^-2

Accepted Answer

$$\frac{1}{36}$$

Answer

-36

Answer

$$-\frac{1}{36}$$

Answer

-12

Question 3

When you see a negative exponent... (check ALL that apply)

Accepted Answer

... if it is in the numerator, flip it to the denominator and make the exponent positive

Accepted Answer

... if it is in the denominator, flip it to the numerator and make the exponent positive

Answer

... if it is in the numerator, keep it there and make the exponent positive

Answer

... if it is in the denominator, keep it there and make the exponent positive

Question 4

According to exponent rules, if you have a negative exponent, you use the ____________________.

Accepted Answer

reciprocal

Answer

negative

Answer

positive

Question 5

x-3

Accepted Answer

1/x3

Answer

1/x-3

Answer

3x

Answer

1/3x

Question 6

Make this negative exponent positive.
9^-3

Accepted Answer

1/93

Answer

93

Answer

1/9-3

Answer

729

Question 7

Simplify the expression with a negative exponent: $$5^{-2}$$

Accepted Answer

$$rac{1}{25}$$

Answer

$$-rac{1}{25}$$

Answer

$$-rac{1}{5}$$

Answer

$$rac{1}{5}$$

Question 8

It is not proper to write answers with negative exponents. How do we "take care of" negative exponents?

Accepted Answer

Create a fraction with the base on the bottom and a positive exponent. Example: $$x^{-3}=\frac{1}{x^3}$$

Answer

Just make the exponent positive. Example: $$x^{-3}=x^3$$

Answer

Write no solution if there is a negative exponent

Answer

Just leave the negative exponent. It is mathematically okay.

Question 9

Rewrite each expression with a negative exponent.
¹/_(-5)⁷

Accepted Answer

(-5)-7

Answer

(-5)7

Answer

¹/_(-5)^-7

Answer

1/78,125

Question 10

Simplify

Accepted Answer

-1/6

Answer

1/6

Answer

6

Answer

-6

Question 11

Simplify

Accepted Answer

1/16

Answer

-1/16

Answer

-16

Answer

16

Question 12

2-1

Accepted Answer

1/2

Answer

1/1

Answer

-1/1

Answer

-1/2

Question 13

Solve 3-3

Accepted Answer

1/27

Answer

-27

Answer

-9

Answer

-1/9

Question 14

Solve (-8)^-2

Accepted Answer

1/64

Answer

1/(-8)2

Answer

1/82

Answer

-64

Question 15

Simplify x^-7

Accepted Answer

1/x7

Answer

-7

Answer

-7x

Answer

x/7

Question 16

Question 16.

Accepted Answer

49/64

Answer

64/49

Answer

14/16

Answer

16/14

Zero and Negative Exponents

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