Вопрос № 84

Date: 2015-10-07; view: 429.

Expression of the polar coordinates of the point M in rectangular coordinates:

.

.

.

Вопрос № 85

The general equation of second degree:

Ax²+Bхy+Cу²=+Dx+Ey+F=0.

Ax+By+C=0.

у=kx+b.

Вопрос № 86

The equation of a circumference with center at point C (a; b) and radius r:

(х-а)²+(у-b)²=r².

Ax+By+C=0.

у=kx+b.

Вопрос № 87

The equation of a circumference with center at point C (0, 0) and radius r:

х²+у²=r².

у=kx+b.

(х-а)²+(у-b)²=r².

Вопрос № 88

The equation of the circumference if center of the circle coincides with the origin coordinates:

х²+у²=r².

у=kx+b.

(х-а)²+(у-b)²=r².

Вопрос № 89

The equation of a circumference with center at C (2, -4) and radius 5:

(х-2)²+(у+4)²=25.

х²+у²=25.

у=kx+b.

(х-а)²+(у-b)²=r².

Вопрос № 90

The equation of a circumference centered at point C (0, 0) and a radius of 4:

х²+у²=16.

у=kx+b.

(х-а)²+(у-b)²=r².

Вопрос № 91

Compute and determine the 2^nd order:

-2.

10.

-10.

2.

0.

Вопрос № 92

Compute and determine the 2nd order:

8.

-8.

-120.

0.

1.

Вопрос № 93

Compute an determine the 3^rd order:

29.

-29.

27.

20.

2.

Вопрос № 94

Compute and determine the 3rd order:

0.

1.

-1.

2.

-2.

Вопрос № 95

Find the sum of the matrixes и

0.