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Straight lines worksheet

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Straight lines
Level 2 · Slope through two points
Find the slope k of the line through the two points.
1.
(3, −7)(2, −8)(3,\,-7) \qquad (2,\,-8)
k=k =
2.
(4, 3)(3, 8)(4,\,3) \qquad (3,\,8)
k=k =
3.
(0, −1)(5, 5)(0,\,-1) \qquad (5,\,5)
k=k =
4.
(−2, −8)(−5, −1)(-2,\,-8) \qquad (-5,\,-1)
k=k =
5.
(−1, 0)(1, 4)(-1,\,0) \qquad (1,\,4)
k=k =
6.
(0, −4)(−3, 6)(0,\,-4) \qquad (-3,\,6)
k=k =
The line y = kx + m has slope k and passes through the point. Find m.
7.
k=5,(−1, 9)k = 5,\quad (-1,\,9)
m=m =
8.
k=−5,(0, −3)k = -5,\quad (0,\,-3)
m=m =
9.
k=2,(−1, 5)k = 2,\quad (-1,\,5)
m=m =
10.
k=4,(−3, 11)k = 4,\quad (-3,\,11)
m=m =
Answer key
Straight lines · Level 2 · Slope through two points
1.k=1k = 1
2.k=−5k = -5
3.k=1.2k = 1.2
4.k=−73k = -\frac{7}{3}
5.k=2k = 2
6.k=−103k = -\frac{10}{3}
7.m=14m = 14
8.m=−3m = -3
9.m=7m = 7
10.m=23m = 23