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2 years ago

What is the value of this expression when g = 5 and h = 1? 3 index square root 2g-2h+g A. 13 B. 16 C. 9 D. 7

Mathematics

1 answer:

Troyanec [42]2 years ago

3 0

The value of the expression is A.13

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2 years ago

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Sergeeva-Olga [200]

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If a point M at (3,-2) is reflected over the y=0 line,what would be the coordinates of M?

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3 years ago

Can someone get this? Ive been trying and cant get it

Dmitry [639]

Given :-

The roots of the function are 5 and -3 .

To Find :-

The Quadratic function .

Answer :-

The roots of the function are 5 and -3 . In general we can write the Quadratic function with roots π and ∆ as ,

$\sf\longrightarrow$ f(x) = ( x - π )(x-∆)

So on using this we have ,

$\sf\longrightarrow$ f(x) = ( x -5)( x -(-3))

$\sf\longrightarrow$ f(x) = (x-5)(x+3)

$\sf\longrightarrow$ f(x) = x(x-5)+3(x-5)

$\sf\longrightarrow$ f(x) = x² -5x +3x -15

$\sf\longrightarrow$ f(x) = x² -2x -15

Hence the required answer is x² -2x -15.

6 0

2 years ago