SOLUTION: Determine 4 models where the only x-intercept are at: x=-4,-2,1, and 3 the y-intercept is at (0,5). HELP at least with a head start, please, and thank you!!

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Determine 4 models where the only x-intercept are at: x=-4,-2,1, and 3 the y-intercept is at (0,5). HELP at least with a head start, please, and thank you!!      Log On


   

Question 1200259: Determine 4 models where the only x-intercept are at: x=-4,-2,1, and 3 the y-intercept is at (0,5).
HELP at least with a head start, please, and thank you!!
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
y=mx+b, slope m, y-intercept b


y=mx%2B5-----but the slope and points are not established.


If one of your models must have x-intercept of p, then 0=%28m%29%28x%29%2B5 or better, +0=%28m%29%28p%29%2B5
from which
m=-5%2Fp.

The reason the symbolism was used instead of just using the given values right away is because you have four different linear models to make, each using a different x value. No need to keep solving the same problem four times each.

x at -4
m=-5%2F%28-4%29
m=5%2F4
model: y=%285%2F4%29x%2B5

x at -2
m=-5%2F-2=5%2F2
model: y=%285%2F2%29%2B5

x at 3
m=-5%2F3
model: y=-5x%2F3%2B5

Answer by greenestamps(13215) About Me  (Show Source):
You can put this solution on YOUR website!


Not clear....

4 separate problems, each with one of the given x-intercepts and the given y-intercept?

Or one problem with all four of the given x-intercepts and the given y-intercept?

Re-post the problem clearly, if you want help with it....