Question

(A): The curve y = x2 - 6x + 9 touches the x-axis.
(R): y= ax2+bx+c touches the x-axis iff ∆=b2-4ac=0
1) Both A and Rare true and Ris correct explanation
of A
2) Both A and Rare true and R is not correct
explanation of A
3) A is true and R is false
4) A is false and R is true
​

Answer 1

1) Both A and Rare true and R

(A): The curve y = x2 - 6x + 9 touches the x-axis.

(R): y= ax2+bx+c touches the x-axis iff ∆=b2-4ac=0

Answer 2

1) Both A and Rare true and Ris correct explanation