Find the vertex form of the quadratic function f(x) = –x² – 6x + 5.
A) f(x) = –(x – 3)² + 14 C) f(x) = –(x + 3)² – 14
B) f(x) = –(x + 3)² + 14 D) f(x) = –(x – 3)² – 14
B) f(x) = –(x + 3)2 + 14
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Provide an appropriate response.Explain the error in the following: x2 - y2 = (x - y)2
What will be an ideal response?
Solve and check.12n2 + 33n = 0
A. - 
, 0
B. 0
C. - 
D. - 
, 33
Write the expression without using absolute value symbols.
?
?
?
A. x + 8 B. -8x C. x - 8 D. 8x E. 8 - x
Solve the problem.In one U.S. city, the quadratic function 
models the median, or average, age, y, at which men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)
A. 1936, 52.3 years old B. 1965, 21.2 years old C. 1954, 36 years old D. 1965, 52.3 years old