4 years ago

What is the range of the data set

Mathematics

1 answer:

Vinil7 [7]4 years ago

3 0

The data set isn’t there

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Solve the equation by completing the square

photoshop1234 [79]

Answer:

r=18, -4

Step-by-step explanation:

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Graph a parabola whose x-intercepts are at x = -3 and x = 5 and whose minimum value is y = -4.

shtirl [24]

Answer:

(See explanation and attachment below for further details)

Step-by-step explanation:

The parabola must satisfy the following conditions:

$y + 4 = C\cdot (x - k)^{2}$

$y + 4 = C\cdot (x^{2}-2\cdot k \cdot x + k^{2})$

The expression for the x-intercepts are, respectively:

x = -3

$4 = C\cdot [(-3)^{2} - 2\cdot k\cdot (-3)+k^{2}]$

$\frac{4}{C} = 9 + 6\cdot k + k^{2}$

x = 5

$4 = C\cdot [5^{2}-2\cdot k \cdot (5)+k^{2}]$

$\frac{4}{C} = 25 - 10\cdot k + k^{2}$

By equalizing both expressions:

$9 + 6\cdot k + k^{2} = 25 - 10\cdot k + k^{2}$

$16\cdot k = 16$

$k = 1$

And,

$C = \frac{4}{25-10\cdot (1)+1^{2}}$

$C = \frac{1}{4}$

The equation of parabola is:

$y = \frac{1}{4}\cdot (x-1)^{2} - 4$

Whose graph is included as attachment.

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3 years ago

What do you call a polynomical with 5 terms?

poizon [28]

Answer:

If I am correct, it is either called a five-term polynomial or just Polynomial, cant remember atm

Step-by-step explanation:

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Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match each sequence to its appropriate re

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2, 3, 4,

Step-by-step explanation:

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based on this model, which price would generate more revenue for the company, $5 or $17? explain how you know?

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