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
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Write an equation in slope-intercept form for the line that passes through the given point and is parallel to the given line (-7,3); x=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.
If you mean: y = -3x then the slope of the line is -3
If you mean y = 2.3x then the slope of the line is 2.3
To work out the equation of a straight line the slope and an (x, y) coordinate must be given