Quiz about Unit 1 Quick Check

Question 1

What is a rational number?

Accepted Answer

Any repeating decimal

Accepted Answer

Integers

Accepted Answer

Whole Numbers

Answer

$$\pi$$

Answer

A decimal that never ends

Question 2

What is an example of an irrational number?

Accepted Answer

6.5247895236584

Accepted Answer

3.14...

Answer

12.333333

Answer

54.285

Answer

-95

Question 3

Simplify $$\sqrt[]{48}$$

Accepted Answer

4 $$\sqrt[]{3}$$

Answer

5 $$\sqrt[]{6}$$

Answer

2 $$\sqrt[]{4}$$

Answer

3 $$\sqrt[]{4}$$

Question 4

Simplify $$\sqrt[3]{40}$$

Accepted Answer

2 $$\sqrt[3]{5}$$

Answer

2 $$\sqrt[3]{4}$$

Answer

5 $$\sqrt[3]{5}$$

Answer

4 $$\sqrt[3]{6}$$

Question 5

5/2

Accepted Answer

Rational

Answer

Irrational

Question 6

Simplify 4 $$\sqrt[]{44}$$

Accepted Answer

8 $$\sqrt[]{11}$$

Answer

6 $$\sqrt[]{6}$$

Answer

2 $$\sqrt[]{8}$$

Answer

4 $$\sqrt[]{4x}$$

Question 7

Simplify $$\sqrt[]{250x^4y^7}$$

Accepted Answer

$$5x^2y^3\ \sqrt[]{10y}$$

Answer

$$4x^3y\ \sqrt[]{11}$$

Answer

$$5x^2y^2\sqrt[]{3y}$$

Answer

$$3x^3y^2\ \sqrt[]{10x}$$

Question 8

Solve 2 $$\sqrt[]{4}$$ -3 $$\sqrt[]{15}$$ +6 $$\sqrt[]{4}$$ +5 $$\sqrt[]{15}$$

Accepted Answer

8 $$\sqrt[]{4}$$ +2 $$\sqrt[]{15}$$

Answer

8 $$\sqrt[]{15}$$ -2 $$\sqrt[]{4}$$

Answer

8 $$\sqrt[]{4}$$ -10 $$\sqrt[]{15}$$

Answer

12 $$\sqrt[]{4}$$ -15 $$\sqrt[]{15}$$

Question 9

Solve $$7\ \sqrt[]{2}+8\ \sqrt[]{11}-4\sqrt[3]{11}-6\ \sqrt[]{2}$$

Accepted Answer

0/Undefined

Answer

$$\sqrt[]{2}+4\ \sqrt[]{11}$$

Answer

$$\sqrt[]{2}-11\ \sqrt[]{4}$$

Answer

$$3\ \sqrt[]{2}+2\ \sqrt[]{11}$$

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