for what values of A does the acute angle formed by the lines 3x+2y=10 and Ax-2y=3 have measure of 45 degree
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Slope-intercept form is , where
is the slope and
is the y-intercept.
, so change the equation to represent this.
Great! Now the function is in slope-intercept form, so we can just see that , or the slope, is equal to