Can someone me with these 3 questions?

1. (2,7) and (-7,-2) --> The answer would be B.

2. B, simply use substitution, convert, do quadratic formula, and plug in x values to find y values.

3. D, no real solution. You can use a graphing calculator

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.