Solve the equation.x2 + 49 = 0
A. {-7i, 7i}
B. {7i}
C. {-7, 7}
D. {7}
Answer: A
Mathematics
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Express the limit as a definite integral.
?xk; [-1, 1]
A. 
B. 
C. 
D. 
Mathematics
Add.3 + (-14) + 8 + (-15) + 7 + (-17)
A. -16 B. -64 C. -28 D. -44
Mathematics
Tell if the square root is rational, irrational, or not a real number. If the square root is rational, find the exact value; if the square root is irrational, write the approximative value rounded to 2 decimal places.
A. not a real number
B. rational, 3
C. irrational, -7.94
D. irrational, 7.94
Mathematics
Graph the equation.x2 = 9y
A. 
B. 
C. 
D. 
Mathematics