Mathematics, 11.01.2022 05:20 pokry3225
Andre wants to solve the equation 5x2 - 4x – 18 = 20. He uses a graphing calculator to graph y = 5x2 - 4x – 18 and Y = 20 and finds
that the graphs cross at the points (-2.39, 20) and (3.19, 20).
Substitute each X-value Andre found into the expression 5x2 - 4x – 18. Then evaluate the expression. Round your answer to 2 decimal places
please.
When 2 = -2.39 y =
When I = 3.19 y =
Answers: 1
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Andre wants to solve the equation 5x2 - 4x – 18 = 20. He uses a graphing calculator to graph y = 5x2...
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