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7 November, 13:58

How many x-intercepts does the graph of y = 4x2 + 5x + 2 have?

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  1. 7 November, 14:13
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    Step-by-step explanation:

    hello : y = 4x² + 5x + 2

    the x-intercepts when y=0 means : 4x² + 5x + 2=0

    a=4 b = 5 c=2

    ∆ = b² - 4ac ∆ = (5) ² - 4 (4) (2) = 25-32 = - 7

    ∆ < 0 no reals solutions no x-intercepts
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