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IRINA_888 [86]
3 years ago
5

Estimate the difference. Round each number to the nearest whole number, then subtract.

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
3 0

Answer:

nothing is the difference

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Select the graph of the quadratic function ƒ(x) = x2 + 3. Identify the vertex and axis of symmetry
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To find the vertex of a quadratic function, you need to 'complete the square';
Completing the square gives a quadratic in another form;
For quadratics that have an x² coefficient of 1 as is the case, it is a simple matter to complete the square:
For the quadratic x² + bx + c
Simply, put x added to half the coefficient of the x term (b/2) in a bracket and square the bracket;
Then add the constant (c) and the square of the half the coefficient of the x term (b/2), so:
(x + d)² + e, where d is a (rational) number to be identified;
d = b/2
e = d² + c

So, for f(x) = x² + 0x + 3:
Then the completed-the-square form is: f(x) = (x + 0)² + 3
As it happens, this quadratic function has a common normal form and completed-the-square form because the x-coefficient is 0.

The vertex coordinates are, according to the general format given above:
(-d, e).
So, looking at completed-the-square form for the function in question, we can tell the vertex is at the coordinates: (0, 3)

Quadratic functions always have symmetry about the vertical line with the x-coordinate of the vertex;
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6 0
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HALP MEH
Mumz [18]
<span>A peer-viewed article. </span>
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Y=5x+2<br> 4x−y=0<br> ​ <br><br> Is (2,12) a solution of the system?
STALIN [3.7K]

Answer:

no the solution would be (-2, -8)

Step-by-step explanation:

i graphed both of the equations and found the solution <33

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Step-by-step explanation:

d = 13.416408

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2 years ago
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