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48. x2 -x = -7 49. x2 + 4x-2 = -x² + 9x 50. 4

48. x2 -x = -7 49. x2 + 4x-2 = -x² + 9x 50. 4

Intermediate Algebra
Intermediate Algebra
10th Edition
ISBN:9781285195728
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter6: Quadratic Equations And Inequalities
Section6.4: Quadratric Formula
Problem 61PS
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48,49,50
Find the solution set for the equation by using the quadratic formula. 44. x2 + 4x = 2 Choices for 44 - 50 2x? – 8x – 1 = 0 BE 45. B) {-} o(-2- A) {- 2} 46. 4x2 + 2x = -2x -1 3 D} {-2 + vZ} E) {-2 + v6} AB) {-2 ± iv5} 47. x? – 4x + 7 = 2 AC AD) (을± iv5} AE) } AC) {2 ± i} 48. x2 - x = -7 BC) {V2 (生) (4+3v2 BD) {N) (1tv29 BE) {*Sv2 49. x2 + 4x - 2 = -x² + 9x 4士V14 CD) CE) 4 (-5±V17 DE) 2 50. (-5±v21) ABC) (5+v41) ABD) (-13+y185 ABE) 2 4
Transcribed Image Text:Find the solution set for the equation by using the quadratic formula. 44. x2 + 4x = 2 Choices for 44 - 50 2x? – 8x – 1 = 0 BE 45. B) {-} o(-2- A) {- 2} 46. 4x2 + 2x = -2x -1 3 D} {-2 + vZ} E) {-2 + v6} AB) {-2 ± iv5} 47. x? – 4x + 7 = 2 AC AD) (을± iv5} AE) } AC) {2 ± i} 48. x2 - x = -7 BC) {V2 (生) (4+3v2 BD) {N) (1tv29 BE) {*Sv2 49. x2 + 4x - 2 = -x² + 9x 4士V14 CD) CE) 4 (-5±V17 DE) 2 50. (-5±v21) ABC) (5+v41) ABD) (-13+y185 ABE) 2 4
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