If you mean: y = 2x+3 then it is a positive slope of 2 with a y intercept of 3
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Perpendicular lines have a negative reciprocal slope. Slope of y=2x+5 is 2/1 negative reciprocal is (-1/2)
If the slope is negative, or going downhill, then that means the graph will be a regular coordinate system (x and y axis). The only thing that is different is the direnction of the slope. A positive, or regular, slope formula, looks like this: y= 2x + 3, for example. Since there are no negative signs, the slope would be going upwards. But a negative slope, like you are talking about, would look either like this: y= -2x + 3 ( negative sign in front of 2 ). Remember: If the equation looks like this: y= 2x - 3, it would still be positive, because it is behind the 2x. Good luck!
It will be the positive reciprocal of -2 which is 1/2
a negative number plus a negative number is negative. here is a proof.(-x)+(-x)(-1)x+(-1)x-1(x+x)-1(2x)-2xa negative number times a negative number is positive though.
Slope is 2.