As for example in the straight line equation of y=3x+5 the slope is 3 and the y intercept is 5
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The equation of a line with an undefined slope is x = a.
There is no equation there but the slope of the line is the number that multiplies x in the straight line equation y = mx + b whereas m is the slope and b is the y intercept
If the equation is x+4 the slope is 1. If the equation is 4x than the slope is 4.
Solve the line equation for "y", to get it in slope-intercept form. You can immediately read the slope from this equation.Divide -1 by (slope of this first line) to get the slope of the second line - the one perpendicular to the given line. Write an equation for any line with this slope.
Which of the following is the point-slope equation of the line with a slope equals -4 and a point of -2 3?