3 years ago

Please help me i cant do this question

Mathematics

1 answer:

UNO [17]3 years ago

5 0

Answer:

Step-by-step explanation:

$x^{\frac{1}{2} }$ × $x^{\frac{1}{4} }$ = $x^{\frac{1}{2} +\frac{1}{4} }$ = $x^{\frac{3}{4} }$

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Which fraction is shown by point D?<br> A. 1/3<br> B. 1/4<br> C. 3/3<br> D. 3/4

Volgvan

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Step-by-step explanation:

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2 years ago

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Write the quadratic equation that has roots -1-rt2/3 and -1+rt2/3 if its coefficient with x^2 is equal to 1

weeeeeb [17]

The equation of the quadratic function is f(x) = x²+ 2/3x - 1/9

<h3>How to determine the quadratic equation?</h3>

From the question, the given parameters are:

Roots = (-1 - √2)/3 and (-1 + √2)/3

The quadratic equation is then calculated as

f(x) = The products of (x - roots)

Substitute the known values in the above equation

So, we have the following equation

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This gives

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Evaluate the products

$f(x) = (x^2 + \frac{1+\sqrt{2}}{3}x + \frac{1-\sqrt{2}}{3}x + (\frac{1-\sqrt{2}}{3})(\frac{1+\sqrt{2}}{3})$

Evaluate the like terms

$f(x) = x^2 + \frac{2}{3}x - \frac{1}{9}$

So, we have

f(x) = x²+ 2/3x - 1/9

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1 year ago

X-25/14=6/7 find the solution

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$x= \frac{6}{7} + \frac{25}{14} = \frac{12+25}{14} = \frac{37}{14}$

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