3 years ago

HELP I NEED HELP ASAP

1 answer:

7 0

A is the answer

Explanation:
It is the only one function that has (x+4) as a factor and -3 as one of the zeros

Hope I helped. Best luck with your studying

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The graph of the quadratic function with vertex (2,3) is shown in the figure belowFind the domain and range

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Solution

Domain

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Range

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Given that g(x)=3x-7 <br> Find the value of k<br> <img src="https://tex.z-dn.net/?f=g%5E%7B2%7D%20%284k%2F3%29%3D8" id="TexFormu

frez [133]

Answer:

{ $\frac{7}{4}$ - $\frac{\sqrt{2} }{2}$ , $\frac{7}{4}$ + $\frac{\sqrt{2} }{2}$ }

Step-by-step explanation:

ax² + bx + c = 0

$x_{12}$ = ( - b ± $\sqrt{b^2 -4ac}$ ) ÷ 2a

~~~~~~~~~~~

g(x) = 3x - 7

g²(x) = (3x - 7)²

g²(x) = 9x² - 42x + 49

g²( $\frac{4k}{3}$ ) = 9( $\frac{4k}{3}$ )² - 42( $\frac{4k}{3}$ ) + 49

9( $\frac{4k}{3}$ )² - 42( $\frac{4k}{3}$ ) + 49 = 8

16k² - 56k + 41 = 0

a = 16 , b = - 56 , c = 41

D = b² - 4ac = ( - 56)² - 4(16)(41) = 512 = $2^{9}$

$k_{1}$ = ( 56 + √ $2^{9}$ ) ÷ 32 = $\frac{7}{4}$ + $\frac{\sqrt{2} }{2}$

$k_{2}$ = $\frac{7}{4}$ - $\frac{\sqrt{2} }{2}$

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3 years ago

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The base would be 5cm

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