Answer the question.Fill in the blanks to complete the statement. The graph of 
is a parabola with x-intercept(s). Its vertex is the point of the graph and has coordinates .
A. one; minimum (or lowest); (2, 0)
B. one; maximum (or highest); (2, 0)
C. no; maximum (or highest); (-0.3, 2)
D. two; maximum (or highest); (2, 0)
Answer: B
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Which of the following points represents a 90?counter-clockwise rotation of a line with end-points: (1, 2) and (–8, 9)? ?
A. ?(–2, 1) and (–9, –8) B. (–2, –1) and (–9, 8) C. ??(1, –1) and (–8, 8) D. ??(1, –1) and (–9, 9) E. None of the above.
Factor the polynomial as a perfect square or state that it is irreducible.x2 - 12x + 144
A. (x + 12)(x - 12) B. (x - 12)2 C. irreducible D. (x + 12)2
Simplify by rationalizing the denominator. Write your answer in a + bi form.
A. - 
+ 
i
B. - 
- 
i
C. 
+ 
i
D. 
- 
i
?Solve the system of linear equations by the method of elimination, find (x,y).
?
?
?
A. ?(4, -43) B. (a, -7 - 9a) ?(infinitely many solutions) C. ?(2, -25) D. ?No solutions E. ?(8, -79)