Osmin
07.03.2020 •
Mathematics
For what value of a does the equation ax²−3x−5=0 have 1 as one of its roots?
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Ответ:
ANSWER
The x-intercepts are (-2,0) and (3,0)
EXPLANATION
The given quadratic expression is
We equate this to zero to get:
Divide through by 2 to get,
This implies that,
This means that the graph of
meets the x-axis at x=3 or x=-2