Solve 1.5x squared - 1.4x -5.2 < 0. solve graphically to two decimal places
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Solve 1.5x squared - 1.4x -5.2 < 0. solve graphically to two decimal places

[From: ] [author: ] [Date: 12-06-26] [Hit: ]
4x - 5.Δ = (-1.4)² - 4(1.5)(-5.2) = 33.x = (1.......
1.5x squared - 1.4x - 5.2 , < 0 can you explain how to work the problem and how I can solve and graph it on a TI-83 graphing calculator. (don't know how to graph on a calulator) thanks

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1.5x² - 1.4x - 5.2 < 0

Δ = (-1.4)² - 4(1.5)(-5.2) = 33.16

x = (1.4 + Ѵ33.16)/2 or x = (1.4 - Ѵ33.16)/2

x ≈ 2.39 or x ≈ -1.45

-1.45 < x < 2.39
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