Question

3.

Factor.



9x2 + 15x



(Points : 1)




       x(3x + 5)



       3x(3x + 5)

       9x(x + 5)

       3x2(3x + 5)

























Question 4.
4.
Factor.



20mn − 30m



(Points : 1)




       2m − 3

       10m(2n − 3)

       10mn(2m + 3n)

       10n(2m − 3)

























Question 5.
5.
Factor.



8x2y2 − 4x2y − 12xy



(Points : 1)




       4(2xy − 4x2y − 12xy)

       4(8x2y2 − x − 12xy)

       4x2y2(2xy − xy −3)

       4xy(2xy − x − 3)

Answer 1

3: 3 x ( 3 x + 5 ) or B

4: 10 m ( 2 n − 3 ) or B

5: 4 x y ( 2 x y − x − 3 ) or D

Answer 2

For number three you would take out a 3 and an X