Find the vertex, the focus, and the directrix of the parabola.(x - 1)2 = 12(y - 3)
A. V: (-1, -3); F: (-1, 0); D: y = -6
B. V: (1, 3); F: (1, 6); D: y = 0
C. V: (3, 1); F: (3, 4); D: y = -2
D. V: (1, 3); F: (1, 0); D: x = 6
Answer: B
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A flowchart, such as the one in the figure below, shows a sequence of steps to be performed by a computer to solve a given problem. When designing a flowchart, the programmer uses a set of standardized symbols to represent various operations to be performed by the computer. Match the following blocks with the corresponding figure.
?
A. rectangle B. parallelogram C. rhombus
Factor by grouping.20x4 - 15x2 + 8x2 - 6
A. (5x2 + 2)(4x2 - 3) B. (5x4 + 2)(4x - 3) C. (5x2 - 2)(4x2 + 3) D. (20x2 - 2)(x2 + 3)
Subtract.61,789 - 5559
A. 60,230 B. 56,230 C. 64,050 D. 56,530
Complete the table for the equation.y + 4x = -26
A. 
B. 
C. 
D. 