Homework Help: math

Posted by matt on Saturday, June 12, 2010 at 11:53am.

1.) Write the equation for the line in slope-intercept form:Slope: m=3; Y-intercept: B=7
*y - 3 = 7(x - 3)
*y = 3x + 7
*y = 7x - 3
2.)Write the equation for the line in slope-intercept form: Slope: m=4/3; Y-intercept: b=-2
*y = 4/3x - 2
*y + x = 2x + 1/2
*y = 1/2x - 2
3.)Which of the following lines is perpendicular to the line x + y = 3?
*3y + 3x = 1
*y = x + 1/2
*y = -x + 3

math - judith, Saturday, June 12, 2010 at 12:00pm
1) y= 3x + 7

2) y= 4/3x - 2

3) y= x + 1/2

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