a
Mathematics, 04.10.2019 20:40 lbabineaux9887
Line ab contains points a (1, 2) and b (−2, 6). the slope of line ab is (4 points)
a
zero
b
undefined
c
positive
d
negative
question 2 (4 points)
(06.02 mc)
line ab contains (0, 4) and (1, 6) line cd contains points (2, 10) and (−1, 4). lines ab and cd are (4 points)
a
parallel, because the slopes are the same
b
perpendicular, because the slopes are the same
c
parallel, because the product of the slopes is −1
d
perpendicular, because the product of the slopes is −1
question 3 (4 points)
(06.02 lc)
the equation of line ab is (y−3) = 5 (x − 4). what is the slope of a line perpendicular to line ab? (4 points)
a
−5
b
5
c
negative 1 over 5
d
1 over 5
question 4 (4 points)
(06.02 mc)
the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points)
a
y = −2x + 13
b
y = negative 1 over 2 x + 7
c
y = negative 1 over 2 x + 3
d
y = −2x − 3
question 5 (4 points)
(06.02 mc)
the equation of line qr is y = negative 1 over 2 x + 1. write an equation of a line perpendicular to line qr in slope-intercept form that contains point (5, 6). (4 points)
a
y = 2x + 16
b
y = negative 1 over 2 x + 17 over 2
c
y = − 1 over 2 x + 7 over 2
d
y = 2x − 4
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Line ab contains points a (1, 2) and b (−2, 6). the slope of line ab is (4 points)
a
a
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