Posted by **Sammy** on Monday, April 11, 2011 at 5:29pm.

I'm confused on two questions that are kind of similiar:

State the slope and y-intercept of

y= -1/2x

I know the slope is -1/2 but I don't know the y-intercept

State the slope and y-intercept of

y= 3x-4

I know the slope is 3, but I don't know if the y-intercept is 4 or -4.

- Math -
**Bosnian**, Monday, April 11, 2011 at 5:42pm
y-intercept is a point where the graph of a function intersects with the y-axis

y-intercept is value of y where x=0

y= -1/2x

Slope -1/2

y-intercept y= -1/2*0= -1/0= +/- infinity

y= 3x-4

Slope 3

y-intercept y=3*0-4=0-4= -4

- Math -
**Bosnian**, Monday, April 11, 2011 at 5:49pm
If yor function:

y= -1/2x

mean y=(-1/2)*x

then:

Slope -1/2

y-intercept y=(-1/2)*0= 0

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