Find the correlation coefficient of the following linear equation using technology (such as GeoGebra). For your r-value, use the first two decimal places.

y=43x−4


(1 point)
Responses

2.66
2.66

1.00
1.00

0.90
0.90

−0.99

1 answer

The correlation coefficient (r) measures the strength and direction of a linear relationship between two variables. For a perfect linear relationship defined by an equation like \( y = 43x - 4 \), the correlation coefficient is \( r = 1.00 \).

This means that the response to choose is:

1.00