Question

determine the nature of the roots of the following quadratic equation x²+2x - 9 = 0 ​

Answer 1

Answer:

Step-by-step explanation:

we know that D=$b^{2}$-4ac

in the above equation b=2,c=-9,a=1 then

D=$2^{2}$-4(1)(-9)

 =4+36

 =40

hence D>0 the roots are distinct and unequal

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