Z ZettaDigit Mar 2010 13 0 May 18, 2010 #1 If the equation is 3x + 4y = -1 How would you find two points on that line to graph it?

masters MHF Helper Jan 2008 2,550 1,187 Big Stone Gap, Virginia May 18, 2010 #2 ZettaDigit said: If the equation is 3x + 4y = -1 How would you find two points on that line to graph it? Click to expand... Hi ZettaDigit, Assign some arbitrary values for x and solve for y. Or...find the x and y intercepts. For instance, let x = 0 Then 3(0) + 4y = -1 0 + 4y = -1 y = -1/4 Point (0, -1/4) This is actually the y-intercept. To find the x-intercept, you would set y = 0 and solve for x.

ZettaDigit said: If the equation is 3x + 4y = -1 How would you find two points on that line to graph it? Click to expand... Hi ZettaDigit, Assign some arbitrary values for x and solve for y. Or...find the x and y intercepts. For instance, let x = 0 Then 3(0) + 4y = -1 0 + 4y = -1 y = -1/4 Point (0, -1/4) This is actually the y-intercept. To find the x-intercept, you would set y = 0 and solve for x.