1. The expression 11x2 - 12x - 10 has ___ terms and a constant of ___.
12, 11
3, -10
3, 10
11, 12
2. Combine like terms in the following expression: 7x + 3x + 2y - y.
10x2 + y2
10x + 3y
10x + y
10x - y
3. Use the distributive property to write the expression 1/2 (4x-6y) without parentheses.
2x + 3y
2x – 3y
2x – 6y
4x – 6y