Find the vertex, the focus, and the directrix of the parabola.-2x2 + 12x - y - 22 = 0
A. V: (3, -4); F: 
; D: y = - 
B. V: 
; F: 
; D: x = - 
C. V: 
; F: (3, -12); D: x = -4
D. V: 
; F: (3, -6); D: x = -2
Answer: A
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Use the equation to complete the table.y = 4x - 7
A. 
B. 
C. 
D. 
Write the number in standard notation.In the metric system of measurement, the prefix giga- means 1 × 109. Write this number in standard notation.
A. 90 B. 0.000000001 C. 100,000,000 D. 1,000,000,000
Perform the indicated operations. Express the answer as a single polynomial in standard form.(x - 11)(x2 + 5x - 8)
A. x3 + 16x2 + 63x + 88 B. x3 - 6x2 - 47x - 88 C. x3 + 16x2 + 47x - 88 D. x3 - 6x2 - 63x + 88
Solve the system by elimination. If the system is inconsistent or has dependent equations, say so. x - 5y = 31-4x - 6y = 32
A. {(1, -6)} B. {(0, -5)} C. Inconsistent: no solutions D. {(-1, -5)}