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2x plus y = -3 (subtract 2x from both sides) y = -2x - 3 slope = -2 y-intercept = -3
y=-2x^2+8x+3
If for example: y = 2x+4 Then: y-2x = 4 And when the value of x is 0 then the y intercept is 4 And when the value of y is 0 then the x intercept is -2
-2X -3Y = 9 -3Y = 2X + 9 3Y = -2X -9 Y = -2/3X -3 This is standard form Y = mX + b where m = slope and b = y intercept since m = -2/3 any line with that slope is parallel. Y = -2/3X + b where b = ANY NUMBER
If: 2x+y = 5 and x2-y2 = 3 Then the solutions work out as: (2, 1) and ( 14/3, -13/3)