Specification References: N6.13 N6.13 Generate points and plot graphs of simple quadratic functions, and use these to find approximate solutions. |
1. Table given for integer values of x from – 3 to 3.
a. Complete the table of values for y = x² for value of x from –3 to 3.
b. On the grid, draw the graph of y = x² for value of x from –3 to 3.
c. Use the graph to work out the values of x when y = 8
d. Use your calculator or graph to write down the positive square root of 8 to one decimal place.