Using graphing technology, approximate the solutions of 0.64x^2 − 0.28x − 4.8 = 0.

x ≈ −2.62 and x ≈ 2.56

x ≈ −2.53 and x ≈ 2.97

x ≈ −2.78 and x ≈ 2.33

x ≈ −2.61 and x ≈ 2.84

Question

Using graphing technology, approximate the solutions of 0.64x^2 − 0.28x − 4.8 = 0.

 x ≈ −2.62 and x ≈ 2.56

 x ≈ −2.53 and x ≈ 2.97

 x ≈ −2.78 and x ≈ 2.33

 x ≈ −2.61 and x ≈ 2.84

myininaya · Answer

Go to graphing part of your calculator and type  0.64x^2 − 0.28x − 4.8 

And then trace it to see where to crosses the x-axis

anonymous · Answer

says cheat, so cheat

anonymous · Answer

how

anonymous · Answer

http://www.wolframalpha.com/input/?i=+0.64x^2+%E2%88%92+0.28x+%E2%88%92+4.8+%3D+0

anonymous · Answer

these days with computers don't really need graphing calculators
wolfram even has a phone app

anonymous · Answer

satellite can u continue to help me please

anonymous · Answer

myininaya is old school, i am even older
i use a slide rule

anonymous · Answer

http://openstudy.com/study#/updates/502564e2e4b0d38989b74394