Find the real or imaginary solutions by using the quadratic formula.x2 - 
x = - 
A. 
B. 
C. {
}
D. {
}
Answer: D
Mathematics
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Find the weighted mean of the numbers in the table. Round to the nearest tenth.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. 
A. 7.8 points B. 7.3 points C. 7.6 points D. 7.5 points
Mathematics
Answer the question.Explain how (a - b)3 differs from a3 - b3 by expanding (a - b)3.
What will be an ideal response?
Mathematics
Solve the combined inequality and graph the solution set. Write the solution in interval notation.3x + 5 < 5x + 3 < 10x - 1
A. 
B. 
C. ?
D. (-?, ?)
Mathematics
Find the slope of the tangent line to the graph of f at the given point.f(x) = 2x2 + x - 3 at (4, 33)
A. 17 B. 15 C. 19 D. 5
Mathematics