Common Assessment 3A Practice

-2(3y+6)

• -6y-12

• -6y+12

• 6y+12

• -5y-8

1.08y =

• 1+0.8y

• 1+0.08y

• y+0.08y

• y+0.8y

0.25(40x + 12) - x

• 9x-4

• 10x-4

• 10x+3

• 9x+3

What is the sum of these expressions:

3a + 4b + 5c

2a - 2b - 2c

• 5a + 6b + 7b

• 5a + 2b +3c

• a +2b +3c

• 5a + 6b +3c

-0.25(24 - 36m) - m

• 6-8m

• 6-10m

• -6+10m

• -6+8m

-½(10+2x)

• 5+x

• -5+x

• -5-x

• -5+4x

-½(12x+½)

• -6x-½

• -6x-¼

• 6x-¼

• -6x+½

-(5x+3)

• -5x+3

• 5x+3

• -5x-3

• 5x-3

What is the PERIMETER of this rectangle?

• 2x+10

• x+6

• 2x+5

• 3x+6

What is the AREA of this rectangle?

• 2x+10

• x+6

• 3x+2

• 3x+6