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Get Ready for Algebra: What are Variables? Quiz

Algebra 1
Lesson 6:
Lesson 6: Get ready for Algebra #6, Variables and X
Get Ready for Algebra: What are Variables? Quiz

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Question 1 of 10

1. Question

What is a variable in algebra?

A letter of the alphabet that takes the place of an unknown amount
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A constant number that never changes value
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A mathematical operation such as addition or division
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Only the letter X when used in a division problem
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Question 2 of 10

2. Question

In the equation 2 + x = 5, what is the value of x?

3
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2
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5
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7
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Question 3 of 10

3. Question

What do we call a number that is placed directly next to a variable to multiply them?

Coefficient
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Constant
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Fraction
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Exponent
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Question 4 of 10

4. Question

If x is equal to 2, what is the value of the algebraic expression 4x?

8
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6
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42
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2
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Question 5 of 10

5. Question

What invisible number is understood to exist in front of a variable that stands alone, like x or a?

1
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0
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2
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10
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Question 6 of 10

6. Question

What is the simplified form of the expression x + x?

2x
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x
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2
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1x
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Question 7 of 10

7. Question

Why do we stop using the letter ‘x’ as a multiplication symbol in algebra?

To avoid confusion because x is frequently used as a variable
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Because multiplication is no longer used in advanced math
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Because calculators do not support the letter x
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To save space on the paper
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Question 8 of 10

8. Question

Which of the following is a correct algebraic way to write ‘2 times 3’ as mentioned in the lesson?

2 · 3
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2 + 3
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2 / 3
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2 – 3
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Question 9 of 10

9. Question

Which of the following must be true for a number or fraction to be classified as a coefficient?

It must have a variable right next to it
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It must be a whole number
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It must stand completely alone without any letters
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It must always be equal to 1
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Question 10 of 10

10. Question

If y is equal to 2, what is the value of 5y?

10
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7
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25
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52
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