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

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asked Dec 25, 2018 168k views

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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

Mathematics
high-school

Lisarae asked

by Lisarae

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1 Answer

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

Dmytro Chasovskyi answered Dec 29, 2018

by Dmytro Chasovskyi

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