Question

Using graphing technology, approximate the solutions of 0.25x2 − 0.46x − 3.1 = 0.

x ≈ −2.72 and x ≈ 4.56

x ≈ −3.14 and x ≈ 4.24

x ≈ −2.88 and x ≈ 4.33

x ≈ −2.61 and x ≈ 4.84

Answer 1

use the quadratic formula to solve

Answer 2

it says to use technology, so here
http://www.wolframalpha.com/input/?i=0.25x2+%E2%88%92+0.46x+%E2%88%92+3.1+%3D+0.

Answer 3

quadratic formula will yield the same values as the technology.