find an equation of the line containing the given pair of points.

(-9,0) and (0,4)

y=_______

Equation of a line.

Step:1 finding the gradient of the line

Change in y-intercepts/ change in x-intercepts= gradient(m)

4-0/0—9= m

4/9=m

Step: 2 finding the equation

Using point (0,4) and another point (x,y)

Change in y∕change in x = m

y-4/x-0 =m

y-4/x =4/9

9y-36 = 4x

Y=(4/9)x+4

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