Question

find the nature of the roots of quadratic equation

Answer 1

Discriminant is
${( - 22)}^{2} - 4 \times 9 \times 8 = 196 > 0$
So, the roots are real and unequal

Answer 2

a=9
b=-22
c=8
D=b^2-4ac
(-22)^2-4(9)(8)
484-228
196
D>1
so 2 real and distinct roots exist..
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