Which would be a good statistical question Alexandra could have used to create the tally chart?
2 answers:
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Answer:
y-intercept: 3
slope: -3
Step-by-step explanation:
The y-intercept is the point at which a line crosses the y-axis, which means that the y-intercept must be (0, y). The only value at which x is 0 is (0, 3), so the y-intercept is 3.
The definition of slope is rise over run, or:
Choose any two coordinates and replace the values in:
The price per gallon is the slope of this line, rise over run, change in y over change in x.
Answer: 3.50