Answer:
3
Step-by-step explanation:
To find the slope of a line perpendicular to a like with a gradient of -1/3, you do the negative reciprocal of -1/3 which would be 3/1 or 3.
let, m = -1/3
and, m1 = x
m * m1 = -1
m1 = -1/-1/3
m1 = 3......
y = 4.5x
Explanation:
9 ÷ 2 = 4.5
18 ÷ 4 = 4.5
27 ÷ 6 = 4.5
A
It may look like it failed but it didn't. Nun of the points duplicate
A. The difference in the heights of the bars will not appear as great.