Question

15. Factor this polynomial: –3xy + 3y
3y(x+1)
3y(-x-1)
3y(-x+1)
3y(x-1)


16.
Which of the following is equivalent to 5-3?
1/53
1/5-3
1/35
1/3-5


17.
Which of the following is equivalent to -4-3?
1/-4-3
1/-43
1/-3-4
1/-34


18.
Which of the following is equivalent to 10-2?
1/210
1/2-10
1/102
1/10-2


19.
Which of the following is equivalent to 1 / 2-3?
2-3
23
32
3-2

Answer 1

–3xy + 3y
3y(-x+3)

Answer 2

5-3 =2
non of the others appear equivalent