Algebra 1 and Course 3 Chapter 1 Test

Rational Numbers

100

Is

-6/12

 an integer number?

No

200

What number category(ies) does 0.27  belong to?

Rational number

300

What number category(ies) does 20/4 belong to?

Whole, Natural, Integer and Rational

400

What category does

sqrt(16/25)  

belong to?

rational numbers

500

What category does

3pi

belong to?

Irrational numbers

Exponents

100

What is the value of (-4)³?

-64

200

Using exponents, what is the simplified form of the expression (10¹⁵)/(10³)?

10¹²

300

Using exponents, what is the simplified form of the expression (-4x³)(5x²)?

-20x⁵

400

Using exponents, what is the simplified form of the expression 

(3x*4y)^2

?

144x²y²

500

How is the expression 10^-5 written using a positive exponent?

1/10^5

Scientific Notation

100

Write 0.000503 in Scientific Notation.

5.03 x 10^-4

200

The Statue of Liberty weighs 450,000 pounds. What is this number written in scientific notation?

4.5 x 10⁵

300

What is 3.471 × 10^-5 written in standard form?

0.00003471

400

In one 24-hour day there are 86,400 seconds. What is this number written in scientific notation?

8.64 x 10⁴

500

Why do we use scientific notation?

Answers will vary.

Roots

100

+-sqrt(400)

+-20

200

What is the 

sqrt(289)

?

17

300

What is the square root of -81?

Not a real solution

400

What whole number integer is closets to √29?

5

500

Ordered the numbers from least to greatest. {√10, 4, √4 , 1.5}

{1.5, √4 ,√10 , 4, }

Surprise

100

How is the fraction

1/2^3

 written using a negative exponent?

2^-3

200

Anything to the power of zero is...

one

300

What is -√625?

-25

400

What is

sqrt(-64)

 ?

No real solution

500

Tito is installing a new kitchen floor. The kitchen is square in shape and has an area of 441 square feet. What is the length of one side of Tito’s kitchen?

21ft