Question

${x}^{2} + 7x - 1 = 0 \\ find \: the \: value \: discriminant$
$a {x}^{2} + bx + c = 0$
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Answer 1

Step-by-step explanation:

Hi ,

x² + 7x - 1 = 0

Coefficient of x² = a = 1

Coefficient of x = b = 7

and , constant term = c = -1

Therefore ,

Discriminant ( D ) = b² - 4ac

=> (7)² - 4*1*(-1)

=> 49 + 4

=> 53.