Q.8 State whether the
quadratic equations have two
distinct real roots.Justify your
answer x^2 - 3x + 4 = 0
(a) Yes, because discriminant 7>0
(b) Yes, because discriminant 17>0 (c) No, because discriminant -17>0
(d) No, because discriminant -7>0
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Answer:
No, because discriminant -7<0
Step-by-step explanation:
x^2 - 3x + 4 = 0
d= b^2-4ac
b=-3 a=1 c=4
d= (-3)^2-4(1)(4)
= 9-16
= -7
No, because discriminant -7<0
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