Step-by-step explanation:
1. slope (m) = <u>y2-y1</u>
x2-x1
= <u>3-1</u>
4-1
= 2/3
2.slope (m) = <u>y2-y1</u>
x2-x1
= <u>4</u><u>-</u><u>0</u>
-2-10
= -4/12
= -1/3
3. slope (m) = <u>y2-y1</u>
x2-x1
= <u>-</u><u>5</u><u>-</u><u>5</u>
-8+4
= -10/-4
= 5/2
4. slope (m) = <u>y2-y1</u>
x2-x1
= -<u>2-4</u>
10+2
= -6/12
= -1/2
OK done hope it helps