Observe the table.

Graph:

Plot the points in cartesian plane .

(b).

The scatter diagram has linear relation with positive slope.

(c).

Consider the two points and.

Consider and .

The line equation passing through the two points is

Substitute and . in the avobe equation

The line equation is .

(d).

Graph the line on the diagram part .

(e).

The linear equation is .

Find the number of calories if  the weight grms .

Substitute in the above equation.

Number of calories .

(f).

The genral form of linear equation is .

The linear equation is .

Slope of the function is .

(a).

(b).Linear

(c).The line equation is .

(d).

(e).No.of calories .

(f). the slope of the function is .