The given quadratic equation is

comparing with

We get ,

formula :

Discriminant of given quadratic equation is 25 .
option (B) 25 ✔
Answer:
9: not congruent AB=-8 and CD=10
10: not congruent AC=-3 and BD=5
11: congruent BC=1 and AD=1
.bertha dived 8 times more then vernon 54/8 = 6
Answer:
B
Step-by-step explanation:
below 0 is negative
so -15