Q: Y equals 2x plus 1

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The [ 2x + 1 ] represents a function of 'y' .

4

x = 1, y = 0

y = x2 + 2x + 1zeros are:0 = x2 + 2x + 10 = (x + 1)(x + 1)0 = (x + 1)2x = -1So that the graph of the function y = x + 2x + 1 touches the x-axis at x = -1.

There are no common points for the following two equations: y = 2x + 3 y = 2x - 1 If you graph the two lines, since they have the same slope, they are parallel - they will never cross.

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Y = 2X + 1 Now it is.

No they are parallel.

x= (-1/2)y-2.5

They are parallel.

The lines are parallel, but not the same.

2x+y=1

y = 2x + 1 IS a linear equation!

(3, 1)

The y intercept is 1

x = 1 and y = -2

6y

X = 0 (zero) Y = -1 (neg 1)