Math 8 Unit 1 Test Review

Draw

Place $$\sqrt[]{8}$$   and - $$\sqrt[]{5}$$   on the number line below

Multiple Choice

The $$\sqrt[]{98}$$  falls between what two consecutive integers?

• 10 and 11

• 11 and 12

• 9 and 10

• 97 and 99

Multiple Choice

  $$\sqrt[]{7}$$   should be in which blank space?

• __, 2.5, 2.63, 2.65
• 2.5, __, 2.63, 2.65
• 2.5, 2.63, __, 2.65
• 2.5, 2.63, 2.65, __

Multiple Choice

Which pair of numbers are both between 11 and 12?

Multiple Choice

Which point on the line best represents $$\sqrt[]{3}$$  ?

• M
• N
• O
• P

Multiple Choice

Point B could represent which of the following numbers?

• $$\sqrt[]{24}$$  

• $$\sqrt[]{30}$$  

• $$\sqrt[]{35}$$  

• $$\sqrt[]{42}$$  

Multiple Select

Select all the numbers that fall between -11 and -12 on the number line.

• $$-\ \sqrt[]{11.9}$$  

• $$-\ \sqrt[]{125}$$  

• $$-\ \sqrt[]{145}$$  

• $$-\ \sqrt[]{136}$$  

• $$-\ \sqrt[]{139}$$  

Draw

Place the following numbers where they belong on the venn diagram :

$$\sqrt[]{36}\ \ \ \ \ \ \ -\ \sqrt[]{25}\ \ \ \ \ \ \ \ 2.141414\ \ \ \ \ \ \sqrt[]{30}$$  

Multiple Select

Square roots of perfect squares are always _____ numbers.

• irrational

• rational

Multiple Select

Square roots of non - perfect squares are always _____ numbers.

• irrational

• rational

Multiple Choice

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.
• Irrational; The sum of a rational and an irrational is always irrational.
• Rational; The product of two rationals is always rational.

Multiple Choice

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.
• Irrational; The sum of a rational and an irrational is always irrational.
• Rational; The product of two rationals is always rational.

Multiple Choice

Is the result rational or irrational? Explain.

• Rational; The sum of two rationals is always rational.
• Irrational; The sum of a rational and an irrational is always irrational.
• Rational; The product of two rationals is always rational.

Multiple Choice

Negative numbers are integers.

• Always

• Sometimes

• Never

Multiple Choice

Whole numbers are rational.

• Always

• Sometimes

• Never

Multiple Choice

Whole numbers are natural numbers.

• Always

• Sometimes

• Never