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Question Of Hank is building a rectangular enclosure for his chickens using the side of a chicken coop as one side of the pen, His has Not val answered 50 in of fencing. The quadratic function that models the area, A, defined by the width of the enclosure, w, Is Marked out of Select one 1.00 O A A = 2510 - 2103 Flag question OD. A = 2510 - 10' O C. A = 50w - 2102 O D. A = SOW -10. Question 7 What is the equation of the quadratic function ym x2- 12x 4: 46 In vertex form? Not yet answered Select one: Marked out of 1.00 OA. y= (x +6)2 + 10 V Flog OB. y (x - 6)-82 question O C. y= ( x- 6)2+ 10 OD. y= (x + 6)2+82 Question 8 Not yet The roots of the quadratic equation 9x2 - 6x - 15 are expressed in the form x = - a and X= answered Marked out of If the values of a, b, and C are written as a three digit number where a is the negative number, b is 1.00 and, c is the denominator, then the number is Flag Jestion For example, if your answers were x = - 6 and X = , you would record 612. You would not write the