A line passes through the points $\left(4,-6\right)$(4,−6) and $\left(6,-9\right)$(6,−9).
Find the gradient of the line.
Find the equation of the line by substituting the gradient and one point into $y-y_1=m\left(x-x_1\right)$y−y1=m(x−x1).
Relate graphs, tables, and equations to linear, quadratic, and simple exponential relationships found in number and spatial patterns
Investigate relationships between tables, equations and graphs