Find the real solutions, if any, of the equation. Use the quadratic formula.4x2 + 9 = -20x
A. {- 
, - 
}
B. {- 
, - 
}
C. {- 
, 
}
D. {
, 
}
Answer: B
Mathematics
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Use Newton's method to find an approximate answer to the question. Round to six decimal places.Where is the first local maximum of f(x) = 5x sin x on the interval (0, ?) located?
A. x ? 2.028647 B. x ? 2.000000 C. x ? 2.028758 D. x ? 2.039758
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Mathematics
Divide in the indicated base.3124 ÷ 24
A. 1214 B. 1134 C. 1234 D. 2234
Mathematics
Solve the equation for y.3x - 10y = -6
A. y = 3x + 11
B. y = 
x + 
C. y = 
x - 2
D. y = - 
x + 
Mathematics