2016 Assignment 8

Name ______________________
Assignment 8
5. 2x + 21x + 40
2
Factor each of the quadratic expressions
Factor twice, first the GCF and then factor
again.
1. 2x 2 + 9x − 18
1. 3x 3 − 75x
6. 9x 2 − 21x + 10
2. 5x 2 + 9x − 2
2. 2x 3 + 16x 2 + 30x
7. 25x 2 − 30x + 9
3.
x 2 + 10x + 24
3. 3x 3 + 12x 2 + 12x
8. 9x 2 − 49
4.
x 2 − 49
4. 4x 3 − 4x 2 − 24x
Multiply, foil or expand.
Review
Use the exponent rules.
1.
( 2x y )
2
5. (x − 3)(3x 2 − 2x + 5)
4
6. (x + 3)(2x − 5)
2.
( 3a b z )
2 3 5 3
7. (x − 6)2
3.
4.
( 2ab )( −3a 2b )( −5b 3 )
8.
( 3x − 1)( 5x + 1)
9.
( 6x + 5 )2
( 2x y ) ( −xy ) ( −xy )
2
3
3 2
2