Question

Q1 Find the nature of roots of the 1 point
following quadratic equation
9x2+7x-2=0 *
O Real and distinct roots
O Real and equal roots
O No real roots

Answer 1

Step-by-step explanation:

Here,

a=9

b=7

c=-2

So,

b^2-4ac=7^2-4×9×(-2)

=49+72

=121

b^2-4ac is greater than 0 ... hence it has two real and distinct roots

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