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Expression 5: "x" Subscript, 1 , Baseline equals negative StartFraction, "b" Over 2 "a" , EndFraction

equals

negative 1 half

5

Expression 6: "y" Subscript, 1 , Baseline equals "f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesis

equals

5 quarters

6

Vertex ( ${x_1} , ${y_1} ) *** MAXIMUM *** left parenthesis, "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis left brace, "a" less than 0 , right brace

Label:

7

Vertex ( ${x_1} , ${y_1} ) *** MINIMUM *** left parenthesis, "x" Subscript, 1 , Baseline , "y" Subscript, 1 , Baseline , right parenthesis left brace, "a" greater than 0 , right brace

Label:

8

Expression 9:

9

10

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