Answer:
-0.2
Step-by-step explanation:
Gradient/slope = [tex]\frac{7-5}{15-25} = \frac{2}{-10} = -0.2[/tex]
D
Y2 - Y1 / X2 - X1
7-5 =2 / 15-25 =-10
2/-10 =-0.2
