Solve the equation by completing the square.x2 + 8x - 24 = 0
A. {2
± 4}
B. { ± 2
}
C. {-4 ± 2
}
D. {-4 ± 2
}
Answer: D
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Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Given the interval (a, b) on the x-axis with the point x0 inside, find the greatest value for ? > 0 such that for all x, 0 < 
< ? ? a < x < b. a = 4, b = 14, x0 = 12
A. 8 B. 4 C. 2 D. 1
Identify the operation to perform to the equation to isolate the variable.22 = 11t
A. Subtract 11 B. Add 11 C. Multiply by 11 D. Divide by 11
Solve the problem.An electrician has to choose different types of wire for different applications. The size of the diameter of the wire is inversely related to the gauge of the wire. The chart below shows some different gauges of wire and their approximate diameters. Use the chart to answer the question. 
What is the gauge of the wire with a diameter of 
inch?
A. 16 gauge B. 10 gauge C. 12 gauge D. 14 gauge