Mathematics
ballerforlife
2016-04-16 09:36:51
Determine the type and number of solutions of -4x^2-3x+7=0 A. One real solution and one imaginary solution B. Two imaginary solutions C. Two real solutions D. One real solution
ANSWERS
pranjalawasthi4
2016-04-16 12:01:42

-4x² - 3x + 7 = 0 D = b² -4ac = (-3)² - 4*(-4)*7 = 9 + 112 = 121 D>0  ⇒ Two real solutions 

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