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3 years ago

Which is the simplified form of the expression 2 (2-3)(x+3)(2) (4-2)(x4)(13) ?

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

4 0

Answer:

x= 5 whole number and 2/15

Step-by-step explanation:

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Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis. Whi

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Answer:

$\bf \displaystyle\frac{5+1}{2}=\displaystyle\frac{6}{2}=3$

Step-by-step explanation:

The x-intercepts are the values of x for which y=0, that is f(x)=0.

The x-intercepts of

$\bf f(x)=4x^2-24x+20$

are the values of x such that

$\bf 4x^2-24x+20=0$

Divide both sides by 4 to simplify a little

$\bf x^2-6x+5=0$

Solve the quadratic equation

$\bf x=\displaystyle\frac{-(-6)\pm\sqrt{(-6)^2-4*1*5}}{2*1}=\displaystyle\frac{6\pm\sqrt{36-20}}{2}=\\\\=\displaystyle\frac{6\pm\sqrt{16}}{2}=\displaystyle\frac{6\pm4}{2}$

and you get the 2 x-intercepts

x =10/2 and x = 2/2

x = 5 and x = 1

The average is the midpoint

$\bf \displaystyle\frac{5+1}{2}=\displaystyle\frac{6}{2}=3$

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Answer:

Step-by-step explanation:

it is c because when I was on edunuity it said so. sorry for no real good explanation

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