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- 1. Multiple Choice
Which of the following is an algebraic expression?
3 + 17 - k
3x - 45 = b
25 + 36
19 + 14 - 20
- 2. Multiple Choice
Which of the following is not a numerical expression?
13 + 7 - 25
39/13
x - 2
47 - 5(10) + 23
- 3. Multiple Choice
What is the most important difference between an expression and an equation?
they're spelled different
an equal sign
only equations have variables
only expressions have variables
- 4. Multiple Choice
Which of the following is a numerical expression?
3 - 1 = 2
3 - 1
3x - 1
3x - 1 = 2
- 5. Multiple Choice
How many variables are there in this equation:
3x + 14 - 5y = 42
1
2
3
4
- 6. Multiple Choice
Who is/are the coefficient in the following expression?
5x - 8y + 3
5
8
5 and 8
3
- 7. Multiple Choice
What operation is this:
2x
addition
subtraction
multiplication
division
- 8. Multiple Choice
What does an algebraic equation have that a numerical equation doesn't have?
variables
equal sign
terms
fractions
- 9. Multiple Choice
Who is the constant in the following:
24x + 4 - 22y = e
24x
22y
=
4
- 10. Multiple Choice
What operations is this:
30x
addition
subtraction
division
multiplication
- 11. Multiple Choice
In the expression 5x - 3, 5 is the...
term
variable
coefficient
constant
- 12. Multiple Choice
In the expression 5x - 3, x is the...
term
variable
coefficient
constant
- 13. Multiple Choice
In the expression 5x - 3, 3 is the...
just a 3
variable
coefficient
constant
- 14. Multiple Choice
What operation is 15y?
multiplication
division
addition
subtraction
- 15. Multiple Choice
Which of the following is not an equation?
2 + 2 = fish
2x + 4 = 25
3(4 + 5)
10 - 2x = 4
- 16. Multiple Choice
Which of the following is not a numerical expression/equation?
5 - 4 = 1
2x + 3
17(2-1)
21 + 7 = 28
- 17. Multiple Choice
A variable is...
the number in front of a letter
a value that does not change
numbers and letters separated by operations
an unknown number represented by a letter
- 18. Multiple Choice
A coefficient is...
the number in front of a variable
numbers and letter separated by operations
a value that does not change
an unknown number represented by a letter
- 19. Multiple Choice
A term is...
a number in front of a letter
a value that does not change
numbers and letters separated by operations
an unknown number represented by a letter
- 20. Multiple Choice
A constant is...
a number in front of a letter
a value that does not change
numbers and letter separated by operations
an unknown number represented by a letter
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