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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.

  1. Try to factor and complete the squares for x and y.

    4(x2 + x) + 4(y2 − 6y) = −21

    = − 21 + 1 + 36

  1. See part (c).

  1. See part (c).

  1. See part (c).

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