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Mathematics
Irene Hayes
23 April, 21:41
Solve 2x2 + 26 = 0 to identify the roots.
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Braxton Fry
23 April, 22:00
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There are no roots;
In this case, you just rearrange to get x but you will end up square rooting a negative which is impossible.
This can be verified by finding the discriminant, which is less than 0 meaning the equation has no roots.
Likewise, if you imagine what the graph looks like, it is a steep x^2 graph which just touches the x axis at the origin translated 26 units upward. The result is a graph that is far above the x axis and does not touch it and therefore there are no roots or solutions (x-intercepts).
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Abril Stokes
24 April, 01:04
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Its B ... x = - I square root 13, x = i square root 13 Follow me on instagram (yvngkory)
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