In the coordinate plane, what is the length of the line segment that connects points at (0, −1) and (−7, −2) ?
2 answers:
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-4 or 
Rise 4 and run 1 to the left (that's what makes it negative)
Rise 4 and run 1 to the left (that's what makes it negative)
Given:
Number of trips = 7
Distance from the school to the museum = 36 miles.
To find:
Write and solve equations to find how many miles the bus driver drove for the 7 trips.
Solution:
Let x be the number of trips and y be the total number of miles the bus driver drove.
Distance from the school to the museum = 36 miles.
1 trip means from the school to the museum and then from the museum to the school.
Distance covered in 1 trip = 2×36 = 72 miles.
Distance covered in x trips = 72x miles.
Substitute x=7 in the above equation to find the total distance the bus driver drove for the 7 trips.
Therefore, the bus driver drove 504 miles for the 7 trips.