Question

10.. The discriminant of x2-3x+7=O is
1.-18
2.1
3.-19
4.9​

Answer 1

b square B square minus 4 AC will be the discriminant hence the discriminant will be minus 3 whole square minus 4 into 1 into 7 which is equal to-18 as 9 minus 4 into 1 into 7

Answer 2

1. -18........................

hope helps you to understand