Find the real solutions, if any, of the equation. Use the quadratic formula.x2 - 12x - 5 = 0
A. {12 + 
, 12 - 
}
B. {-6 + 
, -6 - 
}
C. {6 + 
, 6 - 
}
D. {6 + 
, 6 - 
}
Answer: C
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Evaluate.
A. 126 B. 252 C. 30,240 D. 504
Find the equation of the line in slope-intercept form.The line through (4, 3) with slope - 
A. y = - 
x + 
B. y = - 
x + 
C. y = - 
x + 
D. y = - 
x - 
Identify whether the average described is a mean, median, or mode.A college receives 300 applications for financial aid. The applications are sorted into three equal groups according to income. Those with the highest incomes will not receive aid. Those with the lowest incomes will receive the most aid and those with average incomes will receive a small amount of aid.
A. Mode B. Median C. Mean
Add or subtract as indicated.(-2r4 + 9r3 - 3r) - (8r4 - 9r3 + 6r2 - 2r)
A. 10r4 - 18r3 + 6r2 + r B. -10r4 + 18r3 - 6r2 - r C. 6r4 + 6r2 - r D. -6r4 - 6r2 + r