Yes, since the expression contains more than one variable, then 2x+5y+2 is a polynomial.
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-5y +2x = -10 -5y = -2x -10 y = 2/5x +2 So the slope = 2/5 and the y intercept = 2
(-5, 2)
If: 2x+5y = -10 Then by subtracting 2x from both sides: 5y = -2x-10 And dividing all terms by 5: y = -2/5x-2 which is now in slope intercept form
2X - 5Y = 2- 5Y = - 2X + 2Y = (2/5)X - 2/5==================
2x + 5y = 10Subtract 2x from each side:5y = -2x + 10Divide each side by 5:y = - (2/5)x + 2Slop = - (2/5)Y-intercept = 2