Date Read the directions carefully and answer each question completely. The quiz is due 2 /9 / 22 pts. each) 1. Express the quadratic in standard form. Then find it's vertex, x and y intercepts, and sketch a graph. (5 1. f (x) = x2 +4x f ( x ) = (x+ 2 )- 4 2. f (x) = 2x2 + 4x - 6 vertex (- 2, -4 ) opens X-int : 0= ( X + 2 ) - 4 +4 + 4 4 = ( x + 2 ) 2 $74 = X+2 + 2 = X+2 YA X X Il. Find the minimum or maximum value of the function. (5 pts. each) 4. f(x) = 10x2 + 40x + 113 3. f(x) =-x2 -4x+4