Wednesday

April 23, 2014

April 23, 2014

Posted by **Shadow** on Tuesday, April 13, 2010 at 9:42pm.

1. (3,2), y=x + 5

2.(4,-6),y=-3/4x + 1

3.(-8,2),5x-4y=1

Could you guy check if these are the answer?

1.y=x-1

2.y=-3/4x -3

3.y=5/4x + 12

Thanks

- Math -
**Reiny**, Tuesday, April 13, 2010 at 9:50pmgood job

A quick way to see if you were right would have been to sub in the given point in your new equation.

If it satisfies, you're ok.

That is how I checked your equations.

- Math -
**Shadow**, Tuesday, April 13, 2010 at 9:55pmCould do use one of mine and show me how you check it? Thanks

- Math -
**Reiny**, Tuesday, April 13, 2010 at 10:06pmlast one,

point (-8,2) , your equation y = (5/4)x + 12

Left side

= y

= 2

Right side

= (5/4)x + 12

= (5/4)(-8) + 12

= -40/4 + 12

= -10 + 12

= 2

Left side = Right side,

everything is good.

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