4 years ago

What is the vertex of the parabola given by y = -(x − 2)2 − 1? A. (2, 1) B. (2, -1) C. (-2, 1) D. (-1, 2)

Mathematics

1 answer:

Nimfa-mama [501]4 years ago

5 0

The correct answer is (2,−1)

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ANSWER THE BOTTOM QUESTION PLEASE

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3 years ago

Find the distance between the two points in simplest radical form. (-9,5) and (0,0)

7nadin3 [17]

Answer:

$\sqrt{106}$ units

Step-by-step explanation:

Calculate the distance d using the distance formula

d = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

with (x₁, y₁ ) = (0, 0) and (x₂, y₂ ) = (- 9, 5)

d = $\sqrt{(-9-0)^2+(5-0)^2}$

= $\sqrt{(-9)^2+5^2}$

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3 years ago

Answer fast pleaseeee :)

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Answer:

The correct answer option is 'both Adler and Erika solved for k correctly because either the addition property of equality or the subtraction property of equality can be used to solve for k'.

Step-by-step explanation:

Both Adler and Erika have solved for k correctly since both the properties, addition property of equality and subtraction property of equality, can be to solve for k.

The fraction $\frac{1}{2}$ has to be subtracted from both the sides so even if it is added, the negative sign still would make it subtracted from both the sides.