Which graph correctly solves the system of equations below?
y = 2x2 − 3
y = −x2
one quadratic graph opening down and one quadratic graph opening up. they intersect at 1, negative 1 and negative 1, negative 1.
one quadratic graph opening up and one quadratic graph opening down. they intersect at 0, negative 3.
two quadratic graphs opening up. they intersect at 0, negative 3.
quadratic graph opening up and quadratic graph opening down. they intersect at 1, 2 and negative 1, 2