Question

PLEASE HELP!

Hello! I'm having a lot of trouble figuring out these problems. I'm not asking for all of the answers but, just a better understanding. Thank you!

Answer 1

1) 4

2)I think 2

3)4

4)3

5)2

6)1

7)3

Explanation:

1) since the x is to squared it is a quadratic equation

3) A and D have same slope=0.5

others were solved using Excel