Question

find the discriminant of the following equation:
x²+5x-6=0
(a) 1
(b) 48
(c)-38
(d)49​

Answer 1

Answer:(D)

D=$\sqrt{b^{2}-4ac }$ = 49

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Answer 2

Answer:

D =

$\sqrt{b {}^{2} - 4ac \: }$

=

$\sqrt{5 ^{2} - 4(1)( - 6) }$

=

$\sqrt{25 + 24}$

=

$\sqrt{49}$

= 7

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