### Home > A2C > Chapter 11 > Lesson 11.3.3 > Problem 11-157

11-157.

Identify the shape of the graph of each equation below, change it to graphing form (if necessary), and sketch a graph.

Try to factor and complete the squares for

*x*and*y*.4(

*x*^{2}+*x*) + 4(*y*^{2}− 6*y*) = −21= − 21 + 1 + 36

See part (c).

See part (c).

See part (c).

Notice that

is the only term containing*y*. Try to get it by itself.