Calculo

1. Y=x 3;abscisas-2y3

X= (-2) y= (3)3

Y=-8 y=27

A (-2,-8) B (-3,27)

M=y2-y1=2+8=35=7

X2-x1 3+2 5

Y-41=m(x-y1)

Y+8=7(x+2)

Y+8=7x+14

-7x+y+8-14=0

-7x+y-6=0

+7x-y+6=0

2. Y=4x*2;abscisas-3y3

Y=4(-3)*2 y=4(3)*2

Y=4(-9) y=4(9)

Y=-36 y=36

A=(-3,-36) B=(3,36)

M=36+36=72=12

3+3 6

Y+36=12(x+3)

Y+36=12x+36

-12x+y+36-36=0

-12x+y+0=0

-12x-y-0=0

3.y=3x*2;abscisas-3y2

Y=3(-3)*2 y=3(2)*2

Y=3(-9) y=3(4)

Y=-27 y=12

A=(-3,-27) B=(4,12)

m=12+27=39=5.5

4+3 7

Y+27=5.5(x+3)

Y+27=5.5x+16.5

-5.5x+y+27-16.5=0

-5.5x+y+10.5=0

5.5x-y+10.5=0

4.y=-x*2+2

Y=-9+2 y=(4)*2+2

Y=-7 y=16+2

A(-3,-7) y=18

m=18+7=25=3.5 B=(4,18)

4+3 7

Y+7=3.5(x+3)

Y+703.5x+10.5

-3.5x+y+7-10.5=0

-3.5x+y+3.500

3.5x-y+3.5=0

5.y=2x*2+1;abscisas-1y4

Y=2(-1)*2+2 y=2(4)*2+2

Y=2+2 y=32+2

Y=4 y=34

A(-1,4) B=(4,34)

m=34-4=30=6

4+1 5

Y+4=6(x+1)

Y+4=6x+6

-6x+y+4-6=0

-6x+y-2=0

6x-y+2=0

6.y=x*3-1;abscisas-1y2

Y=(-1)*3-1 y=(2)*3-2

A=(-1,2) y=8-1

m=7+2=9=3 y=7

2+1 3 B=(2,7)

Y+2=3(x+1)

Y+2=3x+3

-3x+y+2-3=0

-3x+y-1=0

3x-y+1=0

7.y=3x*3;abscisas-1y2

Y=3(-1)*3 y=3(2)*3

Y=3(-2) y=3(8)

Y=-3 y=24

A=(-1,-3) B(2,24)

m=24+3=27=9

2+1 3

Y+3=9(x+1)

Y+3=9x+9

-9x+y+3-9=0

-9x+y-6=0

9x-y+6=0

8.y=5x*2+6;abscisas-3y1

Y=5(-3)*2+6 y=5(1)*2+6

Y=5(-9)+6 y=5(1)+6

Y=-39 y=5+6

A=(-3,-39) B=(1,11)

m=11+39=50=12.5

1+3 4

Y+39=12.5x+37.5

-12.5x+y+39-37.5=0

-12.5x+y+1.5=0

12.5x-y+1.5=0

9.y=-3x*2+6;abscisas-3y2

Y=-3(-3)*2+6 y=-3(2)*2+6

Y=-3(-9)+6 y=-3(4)+6

Y=27+6 y=-12+6

Y=33 y=-6

A=(-3,33) B=(2,-6)

m=-6+33=39=7.8

2+3 5

Y+33=7.8(x+1)

Y+33=7.8x+7.8

-7.8x+y+33-7.8=0

-7.8x+y+25.2=0

7.8x-y-25.2=0

10.y=x*2-4;abscisas-3y4

Y=(-3)*2-4 y=(4)*2-4

Y=-9+4 y=16-4

Y=-13 y=12

A=(-3,13) B=(4,12)

m=12+13=25=3.5

4+3 7

Y+13=3.5(x+3)

Y+13=3.5x+10.5

-3.5x+y+13-10.5=0

-3.5x+y-2.5=0

3.5x+y-2.5=0

11.y=x*2+2x+1;abscisas-1y3

Y=2(-1)*2+1 y=2(3)*2+1

Y=2(-1)+1 y=2(9)+1

Y=-2+1 y=18+1

Y=-1 y=19

A(-1,-1) B(3,19)

m=19+1=20=5

3+1 4

Y+1+5(X+1)

Y+1=5x+5

5x+y+1-5=0

5x+y-4=0

5x-y+4=0

12.y=x*2+6x+9;abscisas-1y3

Y=6(-1)*2+9 y=6(3)*2+9

Y=6(-1)+9 Y=6(9)+9

Y=-6+9 Y=54+9

Y=-3 Y=63

A(-1,-3) B=(3,63)

m=63+3=66=16.5

3+1 4

Y+3=16.5(x+1)

Y+3=16.5x+16.5

-16.5x+y+3-16.5=0

16.5x+y-13.5=0

16.5x-y+13.5=0

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