Question

3) What is the value of discriminate, if a = 6, b= -7 and c = -27.
a) 1
b)-1
c)3
d) - 3
​

Answer 1

Discriminate = b²-4ac

where a = 6

b = -7

c = -27

Discriminate =

${( - 7)}^{2} - 4(6)( - 27) \\ = 49 - 24( - 27) \\ = 49 + 648 \\ = 697$