What is y=-x+4 shown on a graph?

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Will give a: 122 b: 90 c: 48 d: 180

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis