Question

Using graphing technology, approximate the solutions of 0.72x2 − 0.18x − 6.3 = 0.

x ≈ −2.72 and x ≈ 3.56

x ≈ −2.54 and x ≈ 3.24

x ≈ −2.84 and x ≈ 3.09

x ≈ −2.61 and x ≈ 3.34