write discriminant of following quadratic equation 9 x square + 7 x minus 2 equals to zero
I will make u brinilist
Answers
Answered by
5
Answer:
D=11
Step-by-step explanation:
D=√b^2-4ac
9x^2+7x-2=0 (given)
a=9
b=7
c= -2
D=√(7)^2-4(9)(-2)
D=√49-4(-18)
D=√49+72
D=√121
D=11
Hope it helps you!
Please mark me as the brainliest!
Similar questions