Answer:
A
Step-by-step explanation:
Answer:
To determine the nature of roots of quadratic equations (in the form ax^2 + bx +c=0) , we need to calculate the discriminant, which is b^2 - 4 a c. When discriminant is greater than zero, the roots are unequal and real. When discriminant is equal to zero, the roots are equal and real.
Answer: 600
Step-by-step explanation:
I just took the test
Answer:
160
Step-by-step explanation:
2+2=4
4 x 40= 160
