: MathCad.
:
I , .
1 , .
2 , .
3 simplify.
4 . .
5 ,
II .
1 , D .
2 , .
3 S .
3.1 simplify.
3.2 . .
3.3 ,
4 Mx My
5 ,
7.1 7
x=y2-2y; x+y=0 | ||
y=2-x; y2=4x+4 | y=x2; y=2x2; x=1;x=2 | |
y2=4x-4; y2=2x ( ) | y2=x; x2=y | |
3y2=25x; 5x2=9y | y= | |
y2+2y-3x+1=0; 3x-3y-7=0 | ||
y=4x-4x2; y=x2-5x | ||
x=4-y2; x+2y-4=0 | ||
y2=4(x-1); x2+ y2=4 ( ) | ||
x=y2-2y; x+y=0 | ||
y=2-x; y2=4x+4 | ||
y2+2y-3x+1=0; 3x-3y-7=0 | ||
y=4x-4x2; y=x2-5x | y2=x; x2=y | |
x=4-y2; x+2y-4=0 | y= | |
x=y2-2y; x+y=0 | ||
y=2-x; y2=4x+4 | y=x2; y=2x2; x=1;x=2 | |
y2+2y-3x+1=0; 3x-3y-7=0 | ||
y=4x-4x2; y=x2-5x | ||
x=4-y2; x+2y-4=0 | ||
x=y2-2y; x+y=0 | ||
y=2-x; y2=4x+4 | ||
y2=4(x-1); x2+ y2=4 ( ) | ||
y=2-x; y2=4x+4 | y=x2; y=2x2; x=1;x=2 |
. 7.1
y2=4x-4; y2=2x ( ) | y2=x; x2=y | |||
x=y2-2y; x+y=0 | y= | |||
y=2-x; y2=4x+4 | ||||
3y2=25x; 5x2=9y | ||||
x=y2-2y; x+y=0 | ||||
y2+2y-3x+1=0; 3x-3y-7=0 | ||||
y=4x-4x2; y=x2-5x | y=x2; y=2x2; x=1;x=2 | |||
x=4-y2; x+2y-4=0 | y2=x; x2=y | |||
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I , x=4y-y2 x+y=6.
1 , ( MathCad, ).
x=4y-y2
x+y=6.
(4;2) (3;3).
2 simplify
.
II , y2=4x+4 i y2=-2x+4.
1 ?
2 ?