1) Solve the roots of the quadratic equation : x 2 - 16 = 0 a) x = {-4, 4} b) x = {-8, 8} c) x = {4} d) x = {-16, 16} 2) Solve the roots of the quadratic equation : x2 + x -56 = 0 a) x = {7, 8} b) x = {-8, 7} c) x = {-7, 8} d) x = {-8, -7} 3) Solve the roots of the quadratic equation : -3z2 - 2z + 5 = -3 a) z = {-2, 4/3} b) z = {2, -4/3} c) z = {-2/3, 2} d) z = {-2, -4/3} 4) Solve the roots of the quadratic equation: p2 + 12p − 54 = 0 a) {−6+3 √10, −6−3 √10} b) 3+√10, 3-√10 c) 10, -10 d) {4+2√ 2, 4−2 √2} 5) The length and width of a picture is 11 inches by 8 inches. Marcus wants to put a picture frame of uniform width around the picture. The total area of the picture with the picture frame is 180 square inches. Determine the width of the picture frame. a) 2 inches b) 4 inches c) 1 inch d) 3 inches

QUADRATIC EQUATIONS

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