EJERCICIOS DE EXPONENCIALES CON GRAFICA

* 3-4y = 81

3-4y = 34

- 4y= 4

= 4+4y

* = 4+4(-1) *= 4+4(2) *= 4+4(3)

= 4-4= 0 = 4+8= 12 = 4+12= 16

X Y

0 -1

12 2

16 3

* 2 -3y = 32

2 -3y = 25

-3y = 5

= 3y+5

* = 3(1)+5=8 *=3(2)+5=11 *=3(3)+5=14

X Y

8 1

11 2

14 3

* 22x -3 = 28

23x+2

2(2x-3)-(3y+3)= 28

2x-3-3y-2= 8

2x-6-3y= 8

2x-3y-6-8=0

2x-3y-14=0

2x=14+3y

2

* x= 14+3(0)/2 * x=14+3(2)/2

x= 14+0/2 x=14+6/2

x=14/2=7 x=20/2=10

*x= 14+3(1)/2 *x= 14+3(-1)/2

x= 17/2 x= 14-3/2

x=11/2

X Y

7 0

17/2 1

10 2

11/2 1

* 2x-1. 2y+1= 64

2x-1. 2y+1= 26

2(x-1)+ (y+1)= 26

x-1+y+1= 6

y=6-x

* y=6-(-1)=7 *y=6-1=5

* y=6-(0)=6 *y=6-2=4

X Y

-1 7

0 6

1 5

2 4

* 5x. 25y= 57

5x. (5.5) y=57

5x+y=57

x+y=7

y=7-x

*y=7-(-2)=9 *y=7-(0)=7

*y=7-(-1)=8 *y=7-1=6

X Y

-2 9

-1 8

0 7

1 6