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anzhelika [568]
2 years ago
9

Choose the equation of a line that is perpendicular to the y-axis and passes through the point (5, -2).

Mathematics
1 answer:
Irina-Kira [14]2 years ago
5 0
It would moat likly be y=-2 due to it having to be perpendicular to the y axis and pass through the 5,-2 point
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18-(4x+3y) if x = -5 and y = 3
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Answer:

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2 years ago
According to the Complex Conjugate Root Theorem, if a+bi is a root of a quadratic equation, then __blank__ is also a root of the
Trava [24]

Answer:

a-bi


Step-by-step explanation:

If a quadratic equation lx^2+mx+n=0 has one imaginary root as a+bi then the other root is the conjugate of a+bi = a-bi

Because we have l, m and n are real numbers and they are the coefficients.

Sum of roots = a+bi + second root = -m/l

When -m/l is real because the ratio of two real numbers, left side also has to be real.

Since bi is one imaginary term already there other root should have -bi in it so that the sum becomes real.

i.e. other root will be of the form c-bi for some real c.

Now product of roots = (a+bi)(c-bi) = n/l

Since right side is real, left side also must be real.

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Or a =c

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Hence proved.


3 0
3 years ago
2x^3-4xy(x+y^2) = 7y<br> y+ 25xy = 0
bagirrra123 [75]

Answer:

Answer

Step-by-step explanation:

2x^3-4xy(x+y^2) = 7y

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4 0
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Aliun [14]

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Step-by-step explanation:

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5 0
3 years ago
Shade the grid to represent the ratio 9/25. Then find a percent equivalent to the given ratio.
anzhelika [568]
Answers and workings in the attachment below.

3 0
3 years ago
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