ALGEBRA - Quiz

1) What is the value of ab if (a+b)²=36 (a-b)²=24?

6 4 3 2

2) What is the value of x³+3y²x² if x=3, y=2?

135 81 54 63

3) What are the three consecutive numbers if there sum is 42?

11,12,13 12,13,14 13,14,15 14,15,16