A graph of a certain set of data is shown to be linear with a trendline of y = -25.2x + 6.What is the sign and slope of the trendline obtained from this data?
A) negative, 25.2
B) positive, 25.2
C) positive, 6
D) negative, 6
E) negative, 19.2

Question

Quizplus · Accepted Answer

The sign of the slope can be determined by the coefficient in front of the x, which is -25.2. A negative coefficient means a negative slope, which eliminates choices B and C. The only remaining option with a negative slope is A.

A Graph of a Certain Set of Data Is Shown