ALGEBRA PART 2

What is a mathematical phrase consisting of numbers, variables, and operations?

• coefficient

• algebraic expression

• constant

• exponent

Simplify the following expression.

3x + 4x + 5y +5y

• 7x + 10y

• 34x + 55y

• 12x + 25y

• Cannot be simplified

Simplify the expression.

5rg - 3g

• 2r

• 2rg

• 2

• Cannot be simplified

There are 12 biscuits in a packet. How may biscuits in n packets?

• 12n

• Lots!

• 144

• 12 + n

What does y equal when you substitute x=5?

y = 5x + 3

• y = 20

• y = 13

• y = 28

• y = 58

What does y equal when you substitute x = 3 ?

y = (6 - x) x 4

• y = 12

• y = 21

• y = 7

• y = 10

Simplify the expression :

x + y + xy

• x² y²

• 2x + 2y

• xyxy

• Cannot be simplified

Which ones are like terms?

• 5g, 7g

• 6t, 12t²

What does y equal when you substitute x = 8?

y = 32 - x

• 24

• 4

• Cannot be simplified

• 22

Solve for x :

4x = 12

• x = 4

• x = 2

• x = 3

• x = 1