math enrichment on graphing calculators

Calculate the missing percentage from the circle graph. => 45 or 60 or 75 or 55..

Calculate the percent rise in the number of vehicle registrations from 1990 to 2000 from the graph. => 8 % or 10 % or 14 % or 12%..

Calculate the percent rise in the number of vehicle registrations from 1985 to 2000 from the graph. => 15.79 % or 17.79% or 19.79 % or 13.79 %..

Calculate the percentage raise in the number of vehicle registrations from 1990 to 2000 from the graph. => 10 % or 10.53 % or 9.09% or 15.78 %..

The graph shows the number of vehicle registrations from the year 1995 to 2000. Calculate rise in percentage of the registrations from 1995 to 2000 . => 4.92 % or 2.33 % or 2.91 % or 3.54%..

The line graph displays the weights (kg) of Henry in different years. Calculate the change in his weight from 1994 to 1995. => 1 kg or 3 kg or 4 kg or 0 kg..

Approximate the solution of the linear equation 2.3(6 - 2 x ) = 1.8 x - 14.5 by using a graphing calculator. => - 4.4 or - 7.4 or 4.4 or 0.3..

Approximate the solution of the linear equation 3 x - 8.2 = 2(1.3 x - 5.6) by using a graphing calculator. => 1.5 or 6.8 or 48.5 or - 7.5..

Graph y = ( 1 2 ) x using a graphing calculator. => Graph 3 or Graph 1 or Graph 4 or Graph 2..

Which of the following represents the graph of f ( x ) = 3 x 3 -11 x + 5 and its non integral real zeros to the nearest tenth? [Use a graphing calculator.] => Figure 2; real zeros of f ( x ) are - 1.6, - 0.5 and 2.1 or Figure 1; real zeros of f ( x ) are - 2.1, 0.5 and..