2 years ago

Find the value of x y and z in the rhombus below

Mathematics

1 answer:

maw [93]2 years ago

5 0

Answer:

X = 2(3x + 4)

the rest i dont know sorry D:

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Step-by-step explanation:

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2 years ago

Find the value of k and x2<br> x^2+ 13x + k = 0, x1=-9

Anarel [89]

Given:

The quadratic equation is:

$x^2+13x+k=0$

$x_1=-9$

To find:

The value of k and $x_1$ .

Solution:

We have,

$x^2+13x+k=0$ ...(i)

Putting $x=-9$ , we get

$(-9)^2+13(-9)+k=0$

$81-117+k=0$

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$k=36$

Putting $k=36$ in (i), we get

$x^2+13x+36=0$

Splitting the middle term, we get

$x^2+9x+4x+36=0$

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Therefore, the required values are $k=36$ and $x_2=-4$ .

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2 years ago