Find the vertex of the graph of the quadratic function.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Find the vertex, focus, and directrix of the parabola. Graph the parabola.x2 - 8x + 4y + 28 = 0
A. vertex: (4, -3)
focus: (5, -3)
directrix: x = 3
B. vertex: (4, -3)
focus: (3, -3)
directrix: x = 5
C. vertex: (4, 3)
focus: (4, 2)
directrix: y = 4
D. vertex: (4, -3)
focus: (4, -4)
directrix: y = -2
The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -3 (even), -1 (even), 1 (even), 3 (even) B. -3 (odd), -1 (even), 1 (even), 3 (odd) C. -3 (even), -1 (odd), 1 (odd), 3 (even) D. -3 (odd), -1 (odd), 1 (odd), 3 (odd)
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 48
C. 
D. 1
Solve.A spreadsheet is a rectangular array containing 29 rows and 22 entries in each row. How many entries does the spreadsheet contain?
A. 6380 entries B. 638 entries C. 609 entries D. 18,502 entries