MathXl

(0,0) y=-5x+4

1/5 x

(0,0) y=-5x+4

y=1/5 x

7y-4=35-6y

y=3

y=-3/7 x - 6

3x+7y=-42

-2(x+3)+8x<-18

< -2

Y=-2 x=4

Perpendicular

-1=7+2x

x=-4

9x=23

x=23/9

18x-7=1+16x

x=4

6x+2x-5=43

x=6

(0,0)y=2/5 x + 2

y=2/5 x

4x-7y=-15 7x+4y=-10

(-2,1)

x+y =11 y=10x

(1,10)

2x+3y=9 x+5y=8

(3/1)

y=3x+11 y=-3x+3

neither

y=-2 x=4

perpendicular

2< - 10 +3r

r>4

14x+=5x-3

x=-1

4x-5=16+11x

x=-3

x+9=4

x=-5

-5x-6=24

x=-6

x=-13 (-8,3)

x=-8

6|x-2|=48

x=10,-6

3x+7=13

x=2

9x=23

x=2/9