Factor the trinomial containing two variables. If the polynomial is prime, so state.x2 - 2xy - 8y2
A. (x - 4y)(x + 2y)
B. (x + 4y)(x - 2y)
C. (x - y)(x + 2y)
D. (x - 4y)(x + y)
Answer: A
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The following equilateral triangle with side length 4 cm has three circular regions surrounding it. What is the area of the shaded portion of the figure? The radius of each circle is 1 cm. Show your work.
Write the expression in condensed form.ln y - 3[2ln (y - 6) - ln (y + 6)]
A. ln 
B. ln 
C. ln 
D. ln 
Match the given function to its graph.1) y = sin (x - 
)2) y = cos (x + 
)3) y = sin (x + 
)4) y = cos (x - 
)A B
/>C D
A. 1A, 2D, 3C, 4B
B. 1B, 2D, 3C, 4A
C. 1C, 2A, 3B, 4D
D. 1A, 2B, 3C, 4D
Use synthetic division to find the quotient and the remainder when the first polynomial is divided by the second polynomial. 2x4 - x3 - 15x2 + 3x; x + 3
A. quotient: 2x3 + 5x2 + 3; remainder: 9 B. quotient: 2x3 - 7x2 + 6x -15; remainder: - 45 C. quotient: 2x3 - 7x2 + 6x -15; remainder: 45 D. quotient: 2x3 - 5x2 + 3; remainder: -9