Topic 4 Practice

Simplify

 $2m\ +\ 4m$  

• 6m

• 6

• 24m

• 8m

Simplify

 $5x\ +\ 4x$  

• 54x

• 9x

• 9

• 9 + x

 $10x\ -\ x\ =$  

• 10x

• 11x

• 9

• 9x

Simplify the expression

 $5y\ +\ 2y+2$  

• 9y

• 5y + 4

• 9

• 7y + 2

 $15x+7-5x$  

• 17x

• 20x + 7

• 10x + 7

• 10x - 7

What are your constants in the following algebraic expression?

2x + 4 + x - 5x

• x

• 4

• 2x

• -5

What are your constants in the following algebraic expression?

-8 + 7y - 2x + 5 - x

• 8

• 5

• -8

• -2

• 7

What are your coefficients in the following algebraic expression?

2x + 4 + x - 5x

• 4

• -5

• 5

• 2

• 1

What are your coefficients in the following algebraic expression?

8 + 7 - 3x + 9y - x

• 8, 7

• -3, -1

• 9

• -3, 9, -1

What are your variables in the following algebraic expression?

2x + 4 + y - 5z

• x

• 4

• 2, 4, -5

• x, y, z