Answer:
slope = -1
Step-by-step explanation:
Azizah got 1 for the slope of the line through 2 points (1,2) and (4,-1).
To find out slope apply slope formula
[tex]slope =\frac{y_2-y_1}{x_2-x_1}[/tex]
(1,2) is x1,y1
(4,-1) is x2,y2
[tex]slope =\frac{-1-2}{4-1}[/tex]
[tex]slope =\frac{-3}{3}=-1[/tex]
So the slope is -1 not 1
She made a mistake in the negative sign
-1-2 is -3. negative by positive is negative
