1) Solve 5x2 + 6x + 1 = 0 using quadratic formula method a) x = −0.2 or −1 b) x = −0.2 or −0.1 c) x = −0.5 or −1 d) x = 2 or −1 2) Solve the quadratic equation using quadratic formula: 3x2 + 6x + 2 = 0 a) -(4/3) √2 b) -(4/5) √3 c) -(4/3) √3 d) -(4/3) √5 3) Solve 5x2 + 2x + 1 = 0 a) x = −0.2 ± 0.4 b) x = −0.2 ± 0.5i c) x = −0.3± 0.4i d) x = −0.2 ± 0.4i 4) Solve the equation x2 + x – 3 = 0 a) x = 1 .3 or - 2. 3 b) x = −0.3 or 0.4 c) x = −3 or 4i d) x = 1 or 2 5) Solve the equation x2 + 5x + 2 = 0 a) x = −0.3± 0.4i b) x = −0.44 or - 4 . 56 c) x = 3 or 4 d) x = −3.44 or 4.56 6) Solve the equation 3x2 - 5x + 1 = 0 a) x = 1 . 43 or 0 . 23 b) x = 2 or 4 . 56 c) x = −0.3 or 0.4 d) x = 2. 05 or 3 . 34 7) Solve the equation 2x2 + 3x +9 = 0 a) x = −3 or 4 b) no solution c) x = −0.3 or 0.5 d) x = −3 or 0.45 8) Solve the equation x2 - 2x – 15 = 0 a) x = 5 or - 3 b) x = 6 or - 5 c) x = 1 or - 3 d) x = −0.3 or 0.4 9) Solve the equation 2x2 + 7x + 3 = 0 a) x =1 or 3 b) x = 2 or 3 c) x = - 1 or 3 d) x = -0.5 or - 3 10) Solve the equation x2 + 7x + 12 = 0 a) x = 3 or -0.5 b) x = −.3 or 4 c) x = −0.3 or 0.7 d) x = −3 or 0.4

TW QUADRATIC EQUATIONS: Solve by quadratic formula using quadratic formula

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