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8-63.
  1. For each expression below, what real-number value of x will yield the lowest possible value of the expression? For example, in part (a), if x = 5, then the value of the expression is 25. If x = –4, then the value of the expression is 16. Are there values of x that will result in smaller values of the expression? Homework Help ✎

  2. a. x2

    b. (x – 1)2

    c. (x + 7)2

Each of these expressions is squared. When you square a quantity, what is the lowest result you can get?

The lowest value will occur when x = 0.

x = −7