key words
true or false
Simplify
odd one out
100

What letter is used to represent an unknown value in algebra?

Variable

100

3x and 5x are like terms.

True

100

X+X

2x

100

Which is the odd one out: 3x, 5x, 2y, 8x

2y

200

What is the number multiplied by a variable called?

Coefficient 

200

4a and 4b are like terms

False 

200

3a+2a

5a

200

4a, 7a, 9, 2a

9

300

What do we call a number with no variable attached?

Constant 

300

A constant has a variable

False

300

7x-4x

3x

300

2x+1, 5x−3, 7y+2, 4x+9

7y+2

400

What do we call terms that have the same variable and power?

Like terms

400

2x+3x=5x

True

400

2y+5+3y+1

5y+6

400

3a+2, 5a−1, 8a+b, 6a+9

8a+b

500

What is the algebraic phrase called: 3x+5?

Expression

500

7a+2b=9ab

False

500

4a+2b+3a−b+6

7a+b+6

500

2x+3x, 4a+a, 7y−2y, 5b+2c

5b+2c