Multiply using the special product rules for binomials.(3x + 4)(3x - 4)
A. 9x2 - 24x - 16
B. 9x2 + 24x - 16
C. 9x2 - 16
D. x2 - 16
Answer: C
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The magnitude of earthquake 1 is 4.7, and the magnitude of earthquake 2 is 8. How do their intensities compare? ?
A. Earthquake 1 is 1,995.26 times as intense as earthquake 2. B. Earthquake 1 is 3.3 times as intense as earthquake 2. C. Earthquake 2 is 3.3 times as intense as earthquake 1. D. Earthquake 2 is 1,995.26 times as intense as earthquake 1.
Find the focus and directrix of the parabola.y2 = -36x
A. (-9, 0); x = 9 B. (-9, 0); y = 9 C. (9, 0); x = -9 D. (0, -9); y = 9
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
If we use the critical-path algorithm to schedule this project with two processors, we should start by assigning
A. task A to one processor, task B to the other one. B. task A to one processor, task C to the other one. C. task B to one processor, task E to the other one. D. task B to one processor, task C to the other one. E. none of these
Identify the equation as either an identity or not.
= 2 sin 2x
A. Not an identity B. Identity