• Imagine we are using these two points to draw a triangle where new point E is a right angle with coordinates (-1, -9)
• FE = 5
• EC = 4
• FE^2 + EC^2 = FC^2
• (25) + (16) = 41 = FC^2
• FC = square root(41)
Answer:
1.) ???
2.) (2x+3y)(2x-3y)=4x²-9y²
Answer:
A
Step-by-step explanation:
You're correct. The Y intercept is the B. And 3 the slope.
