11. Which of the following forces is a contact force? *
A. Gravity
B. Friction
C. Magnetism
D. Electricity

B

Explanation:

Gravity is an invisible force, and so is magnetism and electricity. Friction involves the rubbing of things together to create energy.

because it says use -2,0,and 2 for x, we can plug those numbers into the equation. y/4=3/4(-2)+2   y/4= -1 1/2 +2 now to get x by itself, we can multiply each side by 4. y=-6+8 which equals y=2 when x=-2. now you can do the same thing with 0 and 2 as x. you get y=8 when x=0 and y=14 when x=2.

x   |   y

-2 |   2

0   |   8

2   |   14

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6