4) What is the cube of ( 2x + 3y ) ?
A. 8x3 + 27y3
C. 8x3 + 36x2y + 54xy2 + 27y3
B. 8x3 - 27y3
D. 8x3 + 36x4y2 + 54x2y4 + 27y3
5) What is the square of 3y + 4?
A. 9y2 + 24y - 16
C. 9y2 + 24y + 16
B.-9y2 - 24y + 16
D. 9y2-24y - 16
6) Which of the following would yield a difference of two squares as product?
A. (x + y)(x-y)
C. (x + y)2
B. (x - y)2
D. (x2 - y2)2
7) Which of the following will result to x - y3 ?
A. (x + y)(x2 - xy + y)
C. (x - y)(x2 - xy + y2)
B. (x - y)(x2 + xy + y)
D. (x - y)(x - y)(x - y)
8) Which of the following has the product of a2 + 10a + 25 ?
A. (a + 5)2
C. (a-5)
B. (a + 10)
D. (a-10)