SOLUTION: The table shows the percent of U.S. houses with cable TV. a. Find a quadratic model using 1960 as year 0, 1970 as year 10, and so on. b. Use the model to estimate the percent

Algebra ->  Rational-functions -> SOLUTION: The table shows the percent of U.S. houses with cable TV. a. Find a quadratic model using 1960 as year 0, 1970 as year 10, and so on. b. Use the model to estimate the percent      Log On


   

Question 169422This question is from textbook Prentice Hall Mathematics Texas Algebra 2
: The table shows the percent of U.S. houses with cable TV.
a. Find a quadratic model using 1960 as year 0, 1970 as year 10, and so on.
b. Use the model to estimate the percent of households with one cable TV in 1995.

Years-%of household
1960-0
1970-7
1980-20
1990-56
2000-68 This question is from textbook Prentice Hall Mathematics Texas Algebra 2

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(2000-1990)/(68-56)
10/12=.8333 per year between 1990 & 2000
1990+5yrs=56+5*.8333
5*.8333=4.1667
56+4.1667=60.1667 answer for the number of households with cable TV in 1995.