Oppgave 7
Lagt inn: 29/11-2006 20:04
Ok, jeg går på pre IB og derfor er oppgaven på Engelsk.. noen som kan hjelpe meg? jeg hadde blitt evig takknemmelig:D
The table gives the heavy metal nuclear waste ( in thousands of metric tons) from spent reactor fuel now stored temporarily at reactor sites, awaiting permanent storage.
Heavy metal nuclear waste
Year ( x ) Waste ( y )
1995 32
2000 42
2010* 61
2020* 76
*Estimates
Let x = 0 represent 1995, x = 5 represent 2000 and so on.
a) Plot the ordered pairs (x, y). Do the points lie approximately in a line?
b) Use the ordered pairs (0, 32) and (25, 76) to find the equation of a line that approximates the ordered pairs. Use the form y – y1 = a (x – x1) where a is the gradient (stigningstallet) given by
c) Use the equation to estimate the amount of nuclear waste in 2005
The table gives the heavy metal nuclear waste ( in thousands of metric tons) from spent reactor fuel now stored temporarily at reactor sites, awaiting permanent storage.
Heavy metal nuclear waste
Year ( x ) Waste ( y )
1995 32
2000 42
2010* 61
2020* 76
*Estimates
Let x = 0 represent 1995, x = 5 represent 2000 and so on.
a) Plot the ordered pairs (x, y). Do the points lie approximately in a line?
b) Use the ordered pairs (0, 32) and (25, 76) to find the equation of a line that approximates the ordered pairs. Use the form y – y1 = a (x – x1) where a is the gradient (stigningstallet) given by
c) Use the equation to estimate the amount of nuclear waste in 2005