Answer:
-1
Step-by-step explanation:
Slope= rise/run
Since the line is decreasing, it will be negative.
Answer:
-.91
Step-by-step explanation:
I'm not 100% sure, because i don't have graphing calculator on me, but the correlation coefficient is how well the line of best fit goes with the data, and the data points on the graph look like they match the line. The closer the correlation coefficient is to 1 or -1, means that it has a strong correlation coefficient. It's negative because the slope of the line is negative. If you really want to make sure, you can plug it into a graphing calculator in STAT.
-17
Step-by-step explanation:
the answer is in the up
Answer: Raise values of y by 4
Step-by-step explanation: Depends how a is incorporated in the parent function.
Assuming it is : y= √x + a
A will rise all the values of y by 4