Coordinate Plane Problems Practice
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Question
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A coordinate plane plots temperature in Celsius for different days. The x-axis labeled day, and the y-axis labeled temperature degree Celcius, both range from negative 5 to 5 in increments of 1. Six unlabeled points are plotted. Quadrant 1 is labeled with left parenthesis positive sign comma positive sign right parenthesis. Quadrant 2 is labeled with left parenthesis negative sign comma positive sign right parenthesis. Quadrant 3 is labeled with left parenthesis negative sign comma negative sign right parenthesis. Quadrant 4 is labeled with left parenthesis positive sign comma negative sign right parenthesis. Points are plotted at left parenthesis 2 comma 2 right parenthesis; left parenthesis negative 4 comma 4 right parenthesis, left parenthesis negative 3 comma 0 right parenthesis; left parenthesis negative 2 comma negative 2 right parenthesis; left parenthesis zero comma zero right parenthesis; left parenthesis 4 comma negative 1 right parenthesis.
Alex is tracking temperatures. Today the temperature was 0° Celsius, which is represented by the point (0, 0). If the temperature yesterday was right in between today’s temperature and the temperature two days ago, what was the temperature yesterday?
(1 point)
Yesterday’s temperature was
° Celsius.
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Based on the information given, the temperature two days ago can be found at the point (-2, -2). Since the temperature yesterday was right in between today's temperature (0, 0) and the temperature two days ago (-2, -2), we can find the midpoint between these two points.
The midpoint formula is:
Midpoint = ((x1 + x2)/2, (y1 + y2)/2)
Using the formula, we can find the midpoint:
Midpoint = ((0 + (-2))/2, (0 + (-2))/2)
Midpoint = (-1, -1)
Therefore, the temperature yesterday was -1° Celsius.