Semester 1 review

Which of the following numbers is a

rational number?

• 
  $\frac{\sqrt{2}}{2}$

• $\sqrt{\frac{4}{7}}$

• $\sqrt{\frac{25}{36}}$

• $\frac{\pi}{3}$

Which of the following is not a

rational number?

• $-\sqrt{16}$

• $\frac{1}{4}$

• $\overline{.343}$

• $3_{\sqrt{36}}$

Which statement is false about rational

numbers?

• Terminating decimals are rational numbers.

• A whole number is an integer.

• A fraction can be written as a decimal.

• Repeating decimals are irrational numbers.

Between which two integers would the square root of 62 be found?

• 3 and 4

• 4 and 5

• 7 and 8

• 5 and 6

Which square root can be approximated by 12.2?

• $\sqrt{24}$

• $\sqrt{12}$

• $\sqrt{122}$

• $\sqrt{150}$

 $3_{\sqrt{9}}$  falls between which two integers?

• 1 and 2

• 3 and 4

• 4 and 5

• 2 and 3

What is the approximation of  $3\sqrt{200}$  ?

• 5.8

• 20.3

• 8.2

• 8.5

Which statement is true?

• All rational numbers are positive numbers

• Integers can be represented as mixed numbers.

• All rational numbers can be written as a fraction.

• Some integers are irrational numbers

Triangle ABC is a right triangle. The length of the legs are 3 in and 6 in, how long is the hypotenuse? (Round to the nearest tenth if necessary)

• 6.7 in

• 7.9 in

• 9.0 in

• 3.3 in

Which side lengths form a right triangle? Select all that apply

• 6, 6, 10

• 6, 8, 10

• 2, 4, 6

• 3 , 4, 5