Evaluate the radical expression if it is a real number. Use a calculator to approximate irrational numbers to the nearest hundredth. If the expression is not a real number, so state.
A. 
B. 
C. 
D. not a real number
Answer: C
Mathematics
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Find an equation for the line tangent to the given curve at the indicated point.y = x2 - x at (-2, 6)
A. y = -5x - 2 B. y = -5x + 2 C. y = -5x - 4 D. y = -5x + 4
Mathematics
Write the number in standard notation. ? Fifty-one thousand seven hundred ninety-eight. ?
A. 57,198 B. 5,170 C. 51,798 D. 5,179 E. 51,098
Mathematics
Use the information given in the figure.
How many are in A or B or C?
A. 9 B. 4 C. 101 D. 96
Mathematics
Classify the equation as a conditional equation, an identity, or a contradiction. Find the solution set.2x + 8(x + 1) + 2 = 10 - 7x
A. Identity; {all real numbers} B. Contradiction; ? C. Conditional; {1} D. Conditional; {0}
Mathematics