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Viktor [21]
3 years ago
11

37+81 in distributive property

Mathematics
1 answer:
marusya05 [52]3 years ago
7 0

37 + 81

(30 + 7) + (80 + 1)

30 + 7 + 80 + 1

(30 + 80) + (7 + 1)

110 + 8

118

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Find the equation of the axis of symmetry and the coordinates of vertex of the functions =2x^2+4x-3
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Hello,

Find the equation of the axis of symmetry is like find the maximum or minimum point of this function.

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The equation of the axis of symmetry is then :   x=-1

\beta=f(\alpha)=2(-1)^2+4(-1)-3=2-4-3=-5

Coordinates of vertex :   (\alpha,\beta)=(-1;-5)
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Step-by-step explanation:

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<em>Comment on the equation</em>

The line ax+by=0 passes through the origin. Replacing x and y with x-h and y-k, respectively, makes the line pass through the point (h, k). That's what we did above to make the line pass through the given point.

The business of swapping coefficients and negating one causes the slope of the new line to be the negative reciprocal of the slope of the original line. That is what makes the new line perpendicular to the original.

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