Question

Use linear combination to solve the system of equations.

y=3x^2+320

y=-3x^2+704

Select one:
a. (-2, -128) and (2, 128)
b. (8, 512) and (-8, 512)
c. (1, 64) and (-1, -64)
d. (4, 256) and (-4, 256)

Answer 1

B

Answer 2

i can tell u steps but u only want answers

Answer 3

thnx((: & i only have 13 min