Question

Can anyone please help me with this? I haven't went to classes and I need this answered real quick. Anyone know it?

Given the formula y=mx+b, what is the slope of a line, m, if x = 5, y = 7, and b = 10?

A) The slope is 3/5

B) The slope is 5/3

C) The slope is -3/5

D) The slope is -5/3

Answer 1

y=mx+b

7 = 5m + 10

subtract 10 from both sides

7 - 10 = 5m + 10 - 10

-3 = 5m

divide both sides by 5

-3/5 = 5m/5

-3/5 = m

your answer is -3/5

Answer 2

In this case, you are just going to substitute the given values for the variables and solve:

`7 = 5m + 10`

`-3 = 5m`

`m = -(3)/(5)`

The answer would be Choice C, The slope is -3/5.