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2 years ago

15

Benchmark fraction 1/2 is greater equivalent or less than 1/3 to 5/8

1 answer:

Ierofanga [76]2 years ago

7 0

Answer:

the is no, 1/2 is greater than 1/3 to 5/4

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3 years ago

What are the roots of the quadratic equation below?<br> x2 + 2x= -5

muminat

Answer:

No real root.

Complex roots:

$x = -1 \pm 2i$

Step-by-step explanation:

$x^2 + 2x = -5$

$x^2 + 2x + 5 = 0$

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$x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}$

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$x = \dfrac{-2 \pm \sqrt{4 - 20}}{2}$

$x = \dfrac{-2 \pm \sqrt{-16}}{2}$

Since we have a square root of a negative number, there are no real roots. If you have learned complex numbers, then we can continue.

$x = \dfrac{-2 \pm 4i}{2}$

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