Question

U3L4 Slope & Rate of Change Practice #1 Find the slope of the following tables 2) 1) 3) 4) х х Y Y Y х Y х a 0 15 3 2 6 -1 -1 3 +2 1 1 0 4 10 اليا 7 1 1 6 1 2 6 5 3 3 -1 9 2 8 2 3 0 3 10 5 12 10 m= 0 = ind : 5 m = 1 = 2 M Slope Slope Slope Slope

Answer 1

slope of a line is expressed as;

$m\text{ = }\frac{y_2-y_{1_{}}}{x_2-x_1}$

from the table 4

when x1 = -1, y1 =3

when x2 = 1, y2 = 6

Find the slope using this coordinates;

$\begin{gathered} m\text{ = }\frac{6-3}{1-(-1)} \\ m\text{ = }\frac{3}{1+1} \\ m\text{ = }\frac{3}{2} \end{gathered}$

Hence the slope or rate of change is 3/2