Multiply. Write your answer in the form a + bi.(5 + 8i)(8 + 8i)
A. -24 - 104i
B. 64i2 + 104i + 40
C. 104 + 24i
D. -24 + 104i
Answer: D
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Write the given expression using words.x - 7
A. Seven more than a number B. Seven less than a number C. Seven added to a number D. Seven times a number
Solve.The outline of a certain planet can be considered a circle with a radius of approximately 4000 miles. Thus, if the center of this planet is located at (0, 0), then an equation for this circle is 
. Suppose an incoming meteor is approaching the planet in a hyperbolic path. The equation describing the meteor's path is 
Will the meteor strike the planet? If so, locate the point (x, y) where the meteor will strike. Assume that x and y are both positive, and round to three significant digits.
A. Yes, at the point (x, y) ? (5370, 6690) B. Yes, at the point (x, y) ? (4710, 4000) C. Yes, at the point (x, y) ? (7590, 4000) D. No, the meteor will not strike the planet.
Simplify.4m + 8n - 4m + 9(m - 7n)
A. 17m + 71n B. 9m + 1n C. 9m - 55n D. -9m + 71n
Use the vertical line test to determine if the graph is a function.
A. Yes B. No