x²+7x+12=0
(-3,-4) (r¹,r²)
-7, r¹+r²
12, r¹•r²
a=1, b=7, c=12

2x²-3x-20=20
(4,-⁵/²) (r¹,r²)
³/² , r¹+r²
-10 r1+r2
a=2, b= -3, c=-20

1. What do you observe about the sum and the product of the roots of each quadratic equation in relation to the values of a, b, and c?
2.Do you think a quadratic equation can be determined given its roots or solutions? Justify your answer by giving 3 examples.
3. Do you think a quadratic equation can be determined given the sum and product of its roots? Justify your answer by giving 3 examples.​