You can graph a linear equation slope intercept by solving the equation and plugging in the numbers : y=mx+b
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No; if the slope is zero and it is above or below y=0 it will not have an x intercept.
The slope-intercept form of the equation is y = mx + b, where m represents the slope and b represents the y-intercept. It is used to graph linear equations easily.
At a y-intercept, the graph touches the y-axis, meaning the value of x is 0. So, in any linear equation, simply set x equal to 0 and solve for y. In the slope-intercept form of a linear equation (y = mx + b), the y-intercept value is represented by the variable b.
You could put the equation in slope-intercept form or in parent linear function or even make a table of values.
The general form is y = ax + b, where a is the slope, and b is the y-intercept. For example, the graph (line) of the equation y = 5x + 3 has a slope of 5, and cuts the y-axis at y=3.