Question: s) b2 + 5b - 66 = 0 1) ca - 60 - 55 =0 u) 2b' + 11b + 5 =0 v) 3a +

s) b2 + 5b - 66 = 0 1) ca - 60 - 55 =0 u) 2b' + 11b + 5 =0 v) 3a + 13a - 10 = 0 w) 2a - 3a + 1 =0 x) 3x - 13x - 10 = 0 y) 2a- - 13a + 15 = 0 z) 227 + 2- 15 - 0 aa) 3b- + 4b + 1 = 0 bb) 2y? - 5y - 3 =0 2) Given the formula x - solve the following quadratic equation. Leaving your [2] answers to 3 significant Figures. a) 2a2 - 2a - 5 =0 b) 3a2 + 5a + 1 =0 3) Solve the following using the quadratic formula or by completing the square, leaving [2] your answers to 3 significant figures. a) 10x - 3x - 6 = 0 b) 2x2 - 7x - 7= 0

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