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yanalaym [24]
3 years ago
15

Identify the conic section represented by the equation y^2 -3x +4y +7 = 0

Mathematics
2 answers:
Harrizon [31]3 years ago
7 0

Answer:

Parabola

Step-by-step explanation:

Remember that the general equation for the parabola is:

(x - h)2 = 4p (y - k)

This means that when you have an equation where only one of the variables is squared you are dealing with a parabola, in this case you have a parabola that grows horizontally, since Y can assume values in the whole spectrum from minus infinite to infinite but X not all of them.

babunello [35]3 years ago
5 0

Answer:

Parabola

Step-by-step explanation:

When only one variable is squared, the conic is a <em>parabola</em>.

_____

both squared, same sign, same coefficient: circle

both squared, same sign, different coefficients: ellipse

both squared, different signs: hyperbola

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Write 2x + y = 10 in slope intercept form
Viktor [21]
Slope intercept form is y = mx + b.
To convert 2x + y = 10 to slope intercept form, solve for y.
2x + y = 10
y = -2x + 10
4 0
3 years ago
Is this right I am positive but I need to pass this test
FrozenT [24]

Answer:

It's not a polygon

Step-by-step explanation:

Polygons are always 2D. This shape is 3D. Everything else is fine.

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3 years ago
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nirvana33 [79]

Answer:

Step-by-step explanation:

5 0
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3 years ago
Acellus Find the expected value of a random variable x having the following probability distribution. 0 1 2 3 4 5 Probability 1/
barxatty [35]

Answer:

"2.25" is the right answer.

Step-by-step explanation:

According to the question,

The expected value will be:

= \sum_{i=1}^{n} x_i P(X = x_i)

= 0\times \frac{1}{8}+1\times \frac{1}{4}+2\times \frac{3}{16}+3\times \frac{1}{4}+4\times \frac{1}{6}+5\times \frac{1}{8}

= 0+\frac{1}{4}+\frac{3}{8} +\frac{3}{4}+\frac{1}{4} +\frac{5}{8}

= \frac{1}{4} +\frac{8}{8} +\frac{4}{4}

= \frac{1}{4} +1+1

= 0.25+2

= 2.25

Thus the above is the right approach.

8 0
3 years ago
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