Answer:
7x^2+2x-4
Step-by-step explanation:
a standard form is ax+by=c
5x^2 add 2x^2=7x^2 then -2x but when you have a -10 +6 you get -4 giving you the answer of 7x^2 +2x -4
The slope would be -1 since it’s the coefficient of -x
The quadrants the point (4.-8) is in is the fourth quadrants
Answer:
45
Step-by-step explanation: