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Math
·
Algebra
·
Linear equations in two variables
hard
Line
q
is defined by
y
=
−
7
1
x
−
1
. Line
r
is perpendicular to line
q
in the xy-plane. What is the slope of line
r
?
A
11
B
7
C
4
D
3
Line \(q\) is defined by \( y = -\frac{1}{7}x - 1 \). Line \(r\) is p… | Math SAT Question | Ronan SAT