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3 years ago

Which function represents the same relationship? Pls!!!

Mathematics

2 answers:

xz_007 [3.2K]3 years ago

7 0

The answer is b but I’m not really to sure

Elena L [17]3 years ago

3 0

Answer:

Step-by-step explanation:

If you try the function with x=2

f(x)=18(6/5)²

f(x)=18(6/5)(6/5)

f(x)=18/1 (36/25)

f(x)=648/25

f(x)=25.92

In the table it says that when x is 2 f(x) is 25.92 so this function would be correct.

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Find the value of X. 10 points.

gtnhenbr [62]

Where’s the problem???????

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3 years ago

Complete the square for each expression. Then factor the Trinomial <br> x^2+8x

Goryan [66]

The value of x is $x=0$ or $x=-8$

Step-by-step explanation:

The expression is $x^{2} +8x=0$

To complete the square, the equation is of the form $ax^{2} +bx+c=0$

The constant term c can be determined using, $c=\left(\frac{\frac{b}{a}}{2}\right)^{2}$

$\begin{aligned}c &=\left(\frac{8}{2}\right)^{2} \\&=\left(\frac{8}{2}\right)^{2} \\c &=4^{2} \\c &=16\end{aligned}$

Rewriting the expression $x^{2} +8x=0$ and factoring the trinomial, we have,

$\begin{array}{r}{x^{2}+8 x+16=16} \\{(x+4)^{2}=16}\end{array}$

Taking square root on both sides, we get,

$\begin{aligned}&x+4=\sqrt{16}\\&x+4=\pm 4\end{aligned}$

Either,

$\begin{array}{r}{x+4=4} \\{x=0}\end{array}$ or $\begin{array}{r}{x+4=-4} \\{x=-8}\end{array}$

Thus, the value of x is $x=0$ or $x=-8$

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3 years ago

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Ulleksa [173]

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Step-by-step explanation:

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Step-by-step explanation:

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