Question

please answer the questions (if possible all) and i will mark you as a BRAINLIST​

Answer 1

Answer:

sorry could only for 6 th question

Step-by-step explanation:

x²+7x-1=0

Comparing the given equation with ax²+bx+c=0

a = 1, b = 7 and c= -1So, the discriminant b²-4ac (7)²-4 × 1 × (-1) = 49+4= 53

mark me brainlist