Expression Formative

1. What is a coefficient?

A) Part of an algebraic expression, separated by addition and subtraction.
B) A fixed, unchanging value, just a number without a variable
C) A letter used to represent a quantity that can change.
D) A number that is multiplied by the variable.

2. What is a term?

A) A fixed, unchanging value, just a number without a variable
B) A number that is multiplied by the variable.
C) A letter used to represent a quantity that can change.
D) Part of an algebraic expression, separated by addition and subtraction.

3. What is a constant?

A) A letter used to represent a quantity that can change.
B) A fixed, unchanging value, just a number without a variable
C) Part of an algebraic expression, separated by addition and subtraction.
D) A number that is multiplied by the variable.

4. What is a variable?

A) A fixed, unchanging value, just a number without a variable
B) A letter used to represent a quantity that can change.
C) A number that is multiplied by the variable.
D) Part of an algebraic expression, separated by addition and subtraction.

5. Write the expression 9 x 9 x 9 in exponential form:

A) 9 x 3
B) 27
C) 999
D) 9 to the 3rd power

6. Write 2 to the 5th power as a multiplication expression

A) 2 x 2 x 2 x 2 x 2
B) 22 x 22
C) 25
D) 5 x 2

7. Find the value of 4 to the 3rd power

A) 444
B) 4 x 4
C) 43
D) 64

8. 19 + 2 x (3 x 8) divided by 2 to the 3rd power

A) 25
B) 85
C) 2.7
D) 300

9. Explain in your own words, in detail how you would use the order of operations. (Hint: PEMDAS)

10. Solve. 15/x + 4x for x = 3

A) 125
B) 20
C) 17
D) 12

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