Question

For the proportional relationship y = 2x, what is the ratio of vertical change to horizontal change?
A. 21 The graph increases from left to right.
B. 20 The graph increases from left to right.
C. 21 The graph decreases from left to right.
D. 20 The graph decreases from left to right

Answer 1

whats the slope of line y=2x ?

Answer 2

2

Answer 3

can we write 2 as 2/1 ?

Answer 4

also recall the definition of slope :
\[\text{slope} = \dfrac{\text{change in y}}{\text{change in x}}\]

Answer 5

is it C?

Answer 6

nope it is A

Answer 7

thanks @rational !