Which choice is an approximate linear equation to represent the data within the graph?

A. y = 10x + 70

B. y = 4x + 55

C. y = 10x + 30

D. y = 4x + 15

The approximate linear equation of the graph below is y = 4 x + 55.  Which interpretation of the y-intercept is correct?

The approximate linear equation of the graph below is y = 4 x + 55.  Which interpretation of the y-intercept is correct?

A. A student can receive a 55% for studying for 4 hours.

B. A student can receive a 55% without studying.

Approximate the square root of . Draw a graph that represents how this will be done and then do the approximation.