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Hunter-Best [27]
2 years ago
9

I really need help please

Mathematics
2 answers:
11111nata11111 [884]2 years ago
8 0

Answer:

C

Step-by-step explanation:

slope = goes down 1 over 2

y-intercept = on the graph going down y the point lies on 2

giving you a slope.of -1/2 and y-intercept of 2 meaning the equation is y = -1/2x + 2

Iteru [2.4K]2 years ago
7 0
Answer is C
Because 2 is your Y intercept and -1/2 means your going to move down 1 then move 2 to the right
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Step-by-step explanation:

Given : Figure.

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3 years ago
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Rudik [331]

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Step-by-step explanation:

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Rewrite the expression 4+<img src="https://tex.z-dn.net/?f=%5Csqrt%7B16-%284%29%285%29%7D" id="TexFormula1" title="\sqrt{16-(4)(
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Answer:

2+i

Step-by-step explanation:

Given the expression:

\dfrac{4+\sqrt{16-(4)(5)}}{2}

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First of all, learn the concept of i (pronounced as <em>iota</em>) which is used to represent the complex numbers. Especially the imaginary part of the complex number is represented by i.

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\dfrac{4+\sqrt{16-(4)(5)}}{2}\\\Rightarrow \dfrac{4+\sqrt{16-(4\times 5)}}{2}\\\Rightarrow \dfrac{4+\sqrt{16-20}}{2}\\\Rightarrow \dfrac{4+\sqrt{-4}}{2}\\\Rightarrow \dfrac{4+\sqrt{(-1)(4)}}{2}\\\Rightarrow \dfrac{4+\sqrt{(-1)}\sqrt4}{2}\\\Rightarrow \dfrac{4+\sqrt4i}{2} \ \ \ \ \ (\because \sqrt{-1} =i) \\\Rightarrow \dfrac{4+2i}{2}\\\Rightarrow 2+i

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\therefore The standard form of

\dfrac{4+\sqrt{16-(4)(5)}}{2}

is: \bold{2+i}

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lapo4ka [179]

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