Lines c
and
d
are perpendicular. The slope of line
c
is −23
-
2
3
. Which equation is true?

Math item stem image
CLEAR CHECK

−32
-
3
2
·
·
slope of =−1
d
=
-
1

32
3
2
·
·
slope of =−1
d
=
-
1

−23
-
2
3
·
·
slope of =−1
d
=
-
1

23
2
3
·
·
slope of =−1

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