Tammy scored 88, 72, 44 points on her first three test. What must she score in her last test to get at least an average of 70?
1 answer:
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Answer: y = 2x +2
You need to first pick two points from the graph. Then you need to find the slope and plug in one of the original points you used to find the slope into the slope-intercept formula in order to find the b - intercept.
(WORK SHOWN BELOW)
You need to first pick two points from the graph. Then you need to find the slope and plug in one of the original points you used to find the slope into the slope-intercept formula in order to find the b - intercept.
(WORK SHOWN BELOW)