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21 July, 11:33

For what value of a does the equation ax^2-3x-5=0 have 1 as one of its roots?

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  1. 21 July, 15:07
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    Answer: When a = 8, one of the roots of the equation will be 1.

    To solve this problem, you could graph the equation with a 1 in the place of the a on a graphing calculator (there are some online).

    Then, just keep changing the a value until the graph crosses the x-axis at 1. When, you enter an a value of 8, it will have a root of 1.
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