advertisement

Name____________________________________________ 5.7 – 5.8 Algebra 2 CP Quiz Review 1. Expand each binomial. a) (x + y)7 b) (2x – 3y)4 c) (a + 5b)3 2. Use Pascal’s triangle to answer the following questions. a) What is the second term of the 15th row?_______________ b) What is the sum of the 18th row?______________________ c) How many terms are in the 10th row?__________________ 3. Find a polynomial function whose graph passes through each set of points. a) (0, 3), (-1, 0), (1, 10) and (-2, -35) b) (-2, 16) and (4, 13) c) (-1, 7) , (1, 1) and (2, 1) 4. The table shows the annual population of Florida for selected years. Year Population (millions) 1970 6.79 1980 9.75 1990 12.94 2000 15.98 a) Find the linear model for the above data._______________________________________ b) Use your model to estimate the population of Florida in 2020._______________________ c) Is 2020 an interpolation or an extrapolation?_____________________________________ 5. X Y -2 -7 -1 -3 0 3 1 5 2 -3 a) Find a cubic model for the data:__________________________________________ b) Find a quartic model for the data:_________________________________________ c) Which model fits the data better?________________________________________ d) Use that model to predict y when x = 4:___________________________________