What is the slope of a line that is perpendicular to the line y = x + 5?
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we know eq. of line is y=mx+c ,where m is the slope
given line (L1)is y=x+5
therefore its slope is 1 (=m1)
let line perpendicular to L1 have slope m2
then
product of slopes of perpendicular line is -1
therefore, m1×m2= -1
hence m2= -1
Step-by-step explanation:
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