Slope Intercept Form Worksheet Page 21
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2221.
Find the equation of a line that is parallel to y = 2 x -3 and has a y -intercept of 4.
22.
Find the equation of a line that is perpendicular to y = -3 x + 7 and has a y -intercept of -2.
23.
Find the equation of a line that is parallel to y = 2 x – 1 and goes through the point (6, 2).
1
=
+
24.
Find the equation of a line that is perpendicular to
y
x
2
and goes through the point (1, 7).
3
25. The total length ( l ) of a certain species of snake is related linearly to the tail length ( t ) of this snake. Here
are the measurements for two snakes of this species. Snake 1: l = 150mm and t = 19mm;
Snake 2: l = 300mm and t = 40mm. Use the ordered pairs ( l , t ).
a. Find a linear equation for these data points.
b. Use this linear equation to estimate the tail length of a snake with total length of 200mm.
c. Use this linear equation to estimate the tail length of a snake with total length of 350mm.
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