SOLUTION: The variable x and y are such that the graph of log10y aganist x is a straight line passing through the point (-1,0)and(0,1). Write down the value of y when x=4

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: The variable x and y are such that the graph of log10y aganist x is a straight line passing through the point (-1,0)and(0,1). Write down the value of y when x=4      Log On


   

Question 1159636: The variable x and y are such that the graph of log10y aganist x is a straight line passing through the point (-1,0)and(0,1).
Write down the value of y when x=4
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming that is log%2810%2Cy%29 versus x for the straight line

The points are as (x, log_base_10_of_y);
The slope for the two points given is 1.

highlight_green%28log%2810%2Cy%29=x%2B1%29

If x is 4, then
log%2810%2Cy%29=5
10%5E5=y
highlight%28y=100000%29