Decide whether the given number is a solution to the equation preceding it.
= 4; 5
A. No
B. Yes
Answer: B
Mathematics
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Determine the number of significant digits in the given approximate number.9,000.4
A. 4 B. 3 C. 2 D. 5
Mathematics
State the domain of the rational function.f(x) = 
A. (-?, - 3) ? (- 3, 3) ? (3, ?) B. (-?, -2) ? (-2, ?) C. (-?, 2) ? (2, ?) D. (-?, ?)
Mathematics
Determine whether the following is an equation or an expression.7.6 - x + 6x + 4.3
A. expression B. equation
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 8x - 5 = 0
A. {-4 - 1
, -4 + 1
}
B. {4 + 
}
C. {-1 - 
, -1 + 
}
D. {-4 - 
, -4 + 
}
Mathematics