Identity All Real 26 dimes, 36 – Solutions nickels 1 Jet 650 km/hr, – 5 wind 50 km/hr – B 54 4a 14 Betty 15 years –a2 – – – 4y6 old, Don 36 years – 6x2 17x 14 old – – x2 + 14x + 49 x < -1 m = -3 < c < 4.5 (graph) 3:30 PM u > 6 or u < 4 -1 (graph) 10e6 8n2 4n + 5 260 – 5a(x2 + y2) 4x2 (5x + 3)(5x 3) – 29 2x(x + 2)(x + 6) -6 - 8 (6x + 7)(x + 3) (7n 1)2 – 0, 7, 2, -6 5 ± 2 12r x + 1 - 8:7 9 - 63 and 72 6 kg of $5 nuts and 3kg of $10 nuts 36 minutes 9 X 104 (graph) (graph) x + 2y = -2 y = x + 2 -35; -8 {11, 5, 2, -1, -7} (2, -2) (-1, -2) (3, -5)
Identity – All Real Solutions 1 5 B –a2 – 4a – 14 4y6 6x2 – 17x – 14 x2 + 14x + 49 m = 3:30 PM -1 10e6 8n2 – 4n + 5 5a(x2 + y2) (5x + 3)(5x – 3) 2x(x + 2)(x + 6) (6x + 7)(x + 3) (7n – 1)2 0, 7, 12r x + 1 - 8:7 9 - 63 and 72 6 kg of $5 nuts and 3kg of $10 nuts 36 minutes 9 X 104 (graph) (graph) x + 2y = -2 y = x + 2 -35; -8 {11, 5, 2, -1, -7} (2, -2) (-1, -2) (3, -5) 26 dimes, 36 nickels Jet – 650 km/hr, wind – 50 km/hr 54 Betty – 15 years old, Don – 36 years old x < -1 -3 < c < 4.5 (graph) u > 6 or u < 4 (graph) 260 4x2 29 -6 - 8 2, -6 5 ± 2
Algebra_1_Diocesan_Exam_Review.docx