a. 4, andi
Use the quadratic equation x2 + 4x - 4 = 0 for numbers 12-15.
12. What are the values of a, b and c respectively in the given quadratic equation
a. 1,4 and 4
h - 4.4 and 1
c.0.4 and
13. What is the value of the discriminant of the given quadratic equation?
b. 32
c. 16
14. What is the nature of the roots of the given quadratic equation?
a. Real numbers and equal
b. Not real
c. Real numbers but are not equal.
hore 15. 16 use the quadratic equation4x2 + 3x + 5 = 3.
a. O​