Determine the principal value without using a calculator.3
A. 9.26
B. Not real number
C. 18.52
D. -7
Answer: D
Mathematics
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Graph the hyperbola.x2 - y2 = 4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A painter can finish painting a house in 6 hours. Her assistant takes 8 hours to finish the same job. How long would it take for them to complete the job if they were working together?
A. 
hr
B. 3
hr
C. 7 hr
D. 5 hr
Mathematics
Combine like terms.19ab + 8 + 15ab2 + 14 + 18ab2 + 13ab + 6a2b2
A. 19ab + 8 + 15ab2 + 14 + 18ab2 + 13ab + 6a2b2 B. 6a2b2 + 33ab2 + 32ab + 22 C. 39a2b2 + 32ab + 22 D. 6a2b2 + 65ab2 + 22
Mathematics
Find the zero of the linear function.g(x) = -x + 8
A. -8 B. 0 C. 8 D. -16
Mathematics