# real roots

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The graph of y = âˆ’11xâ€Š2 + 154x âˆ’ 535 is a parabola that opens in the direction _____. It has vertex ______, y-intercept _____, and ____ real roots.

up, (7, 4), 154, 2

down, (7, 4), âˆ’535, 2

down, (7, 4), âˆ’535, 1

down, (âˆ’7, 4), 154, 1

None of the above

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#### Solution Preview

The graph of y = −11x 2 + 154x − 535 is a parabola that opens in the direction _____. It has vertex ______, y-intercept _____, and ____ real roots.

up, (7, 4), 154, 2

down, (7, 4), −535, 2

down, (7, 4), −535, 1

down, (−7, ...

#### Solution Summary

The real roots are clearly examined.

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