The Coordinate Plane Unit Test
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Question
Use the image to answer the question.
A horizontal rectangle is shown sectioned by a large shaded rectangle in the center bordered by two small vertical rectangles on either end. There are nine evenly-spaced vertical lines descending from the top of the shaded rectangle, forming ten equal spaces. The center line is labeled 50, with the other lines on both sides reading 40, 30, 20 and 10.
A football player runs the ball from the 20-yard line on one side of the field to the 20-yard line on the other side. How many yards did the player run?
(1 point)
yards
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To determine the distance the football player ran, it is important to note that the football field's width is not being considered, only the yard lines. The player is running from the 20-yard line on one side of the field to the 20-yard line on the other side of the field.
If we look at the full length of the field from one end to the other, it spans from the 0-yard line to the 50-yard line and then back down to the 0-yard line on the other side, for a total of 100 yards. Since the labeling starts from the central (50-yard) line, the yard lines are symmetrical on both sides. The player starts at the 20-yard line, which is 30 yards away from the 50-yard line (50 - 20 = 30). The player runs across to the corresponding 20-yard line on the other side, which is also 30 yards away from the 50-yard line.
We need to sum these two distances to cover the full distance between both 20-yard lines:
30 yards (to reach the 50-yard line from one 20-yard line) + 30 yards (to go from the 50-yard line to the other 20-yard line) = 60 yards.
So the football player ran a total of 60 yards.