9
QuizMultiple Choice
Using Equations to Represent Trend Lines
Question 9 • *WHS Pre-Algebra - MA3119 B-CR
Jordan is calculating the slope of the trend line in the scatterplot below. How can Jordan use the plot to check the reasonableness of his answer?
Answer
A
His slope should be positive because the coordinates of all the plotted points are positive.B
His slope should be positive because the trend line is slanted up to the right.C
His slope should be negative because there are plotted points not on the line.D
His slope should be negative because the x-coordinate of each plotted point is less than the y-coordinate.