Identify the following as rational or irrational. If the number is rational, find the root exactly. If the number is irrational, approximate the number to the nearest thousandth when necessary.
A. Rational, 576
B. Irrational, 576
C. Irrational, 12
D. Rational, 12
Answer: D
Mathematics
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Evaluate.If f(x) = -3x2 - 4x + 5, find f(-6).
A. -84 B. 47 C. -79 D. -107
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Solve the equation using the quadratic formula.
x2 + 
x + 
= 0
A. 
B. 
C. - 
D. No real solution
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Solve.6(x + 2) = 4x + 23
A. 5.5 B. 17.5 C. -17.5 D. -5.5
Mathematics
Perform the indicated operations and simplify.
+ 
A. 
B. 
C. 
D. 6m + 7
Mathematics