Y=3x+2 is the equation of a straight line graph. Where does it cross the y-axis?

1 answer:

8 0

The line crosses the y-axis at point (0,2). You know this because the slope intercept form is y=mx+b. y is any point on the y-axis. m is the slope of the line. x is and point on the x-axis. Finally, b is the y-intercept or where the line crosses the y-axis. As a result, your equation has a 2 for b. So, your answer would be: the line crosses the y-axis at point (0,2). 2 being where the line crosses the y-axis.

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This is what we already know. To find the width, we have to plug in what we know into P=2(L+W), our equation to find perimeter.

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