Rational and Irrational Numbers

Multiple Choice

Is $$\frac{77}{3}$$  rational or irrational?

• Rational

• Irrational

Multiple Choice

Is $$.\overline{11}$$ rational or irrational?

• Rational

• Irrational

Multiple Choice

Is $$-\sqrt{64}$$  rational or irrational?

• Rational

• Irrational

Multiple Choice

Is $$\sqrt{40}$$  rational or irrational?

• Rational

• Irrational

Multiple Choice

Is $$17.33$$  rational or irrational?

• Rational

• Irrational

Multiple Choice

Is $$-7341.2$$  rational or irrational?

• Rational

• Irrational

Multiple Choice

Select the only RATIONAL number:

• $$\sqrt{2}$$

• $$\frac{\pi}{4}$$

• $$\pi$$

• $$\sqrt{49}$$

Multiple Choice

Select the ONLY irrational number:

• $$\frac{152}{6}$$

• $$.149203827...$$

• $$3\times\sqrt{4}$$

• $$-.747474747474...$$

Multiple Choice

Is $$-2\pi$$  rational or irrational?

• Rational

• Irrational

Poll

What is $$\left(-4\right)^2$$  ?

Hint: (-4)(-4)

• -16

• 16

• -8

• 8

Multiple Choice

What is $$\left(-3\right)^2$$  ?

Hint: (-3)(-3)

• -6

• 9

• -9

• 6

Multiple Select

Solve for x: $$x^2=121$$  

Select all that apply.

• 60.5

• -60.5

• 11

• -11

Multiple Select

Solve for x: $$x^2=36$$  

Select all that apply.

• 18
  

• 6

• -1

• -6

Multiple Select

Solve for x: $$x^2=25$$  

Select all that apply.

• 18
  

• 6

• -1

• -6

Multiple Choice

What two integers is  $$\sqrt{5}$$  between?

• 3 & 4

• 1 & 2

• 0 & 1

• 2 & 3

Multiple Choice

What two integers is  $$\sqrt{89}$$  between?

• 85 & 90

• 7 & 8

• 8 & 9

• 9 & 10

Cubes and Cube Roots

Fill in the Blank

Solve:

6³

Fill in the Blank

Find the cube root of 64

Compare & Order Real Numbers

• You can compare and order real numbers by writing them in the same notation.

• Write the numbers in decimal notation before comparing and ordering them.

Multiple Choice

Point B could represent which of the following numbers?

• $$\sqrt[]{24}$$  

• $$\sqrt[]{30}$$  

• $$\sqrt[]{35}$$  

• $$\sqrt[]{42}$$