1-1 Lesson Check

1-1 Lesson Check

8th - 9th Grade

12 Qs

quiz-placeholder

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1-1 Lesson Check

1-1 Lesson Check

Assessment

Quiz

Mathematics

8th - 9th Grade

Practice Problem

Easy

Created by

Regina Lee

Used 14+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

whole numbers

natural numbers

rational numbers

irrational numbers

Answer explanation

Since this number can be written as a mixed number (1 and 5/9), it can be converted to an improper fraction 14/9. So, it is a rational number.

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Rational Number

Irrational Number

Answer explanation

The sum of 2 rational numbers is always rational.

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Rational Number

Irrational Number

Answer explanation

The sum of a rational number and an irrational number is always irrational.

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Rational Number

Irrational Number

Answer explanation

The product (remember: division is the same as multiplying by the inverse) of an irrational number and a rational number is always irrational.

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which numbers in Set  A = {−7, −4, 2, 14, 21, 34, 42}  are elements of both Set B and Set C, shown below?

 Set B = {even numbers}  

 Set C = {multiples of 7}

{−4, 2, 14, 21, 42}

{−7, 14, 21, 42}

{14, 21, 42}

{14, 42}

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Rational Number

Irrational Number

Answer explanation

The sum (remember: subtraction is the same as adding the opposite) of an irrational number and a rational number is always irrational.

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Rational Number

Irrational Number

Answer explanation

Since any number subtracted by itself is zero and the square root of 36 is 6, then the final answer 6 is rational.

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