2 years ago

Look at this inequality.

Mathematics

1 answer:

Bas_tet [7]2 years ago

3 0

Answer:2.8

Step-by-step explanation:

2.8

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X - Зу = -2<br> X - Зу = 16

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3 years ago

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3 years ago

Which statement is true about the extreme value of the given quadratic equation?

ICE Princess25 [194]

Answer:

Option B. The equation has a maximum value with a y-coordinate of -21.

Step-by-step explanation:

The correct quadratic equation is

$y=-3x^{2}+12x-33$

This is a vertical parabola open downward (the leading coefficient is negative)

The vertex represent a maximum

Convert to vertex form

Factor -3

$y=-3(x^{2}-4x)-33$

Complete the square

$y=-3(x^{2}-4x+2^2)-33+12$

$y=-3(x^{2}-4x+4)-21$

Rewrite as perfect squares

$y=-3(x-2)^{2}-21$

The vertex is the point (2,-21)

therefore

The equation has a maximum value with a y-coordinate of -21

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3 years ago

The surf instructor has an initial fee of $12 and charges $8 per hour for lessons, which is represented by the equation y = 8x +

strojnjashka [21]

Y=8x+12

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y=256+12
y=268

y=8(24)+12
y=192+12
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The instructor makes $472 a month.

7 0

3 years ago

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