Simplify the expression. Write the result using positive exponents only.2-1 + 8-1
A. 2
B. - 
C. 
D. 
Answer: C
Mathematics
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Factor.5x2 - 34x + 24
A. (5x - 4)(x - 6) B. (5x - 18)(x - 6) C. (x - 4)(x - 6) D. (5x + 4)(x + 6)
Mathematics
Solve the equation by completing the square.x2 + 4x = 3
A. {-2 ± 
}
B. {2 + 
}
C. {-2 ± 2
}
D. {-1 ± 
}
Mathematics
Solve the problem.A size 10 dress in Country C is size 32 in Country D. A function that converts dress sizes in Country C to those in Country D is 
Find the inverse of the function.
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = x - 22
D. f-1(x) = x + 22
Mathematics
For the restaurant bill, estimate the tip. Then find the exact amount of the tip. State your answers to the nearest hundredth.The restaurant bill is $78.14. Give the estimate of a 15% tip and the exact amount of a 15% tip.
A.
| Estimate: $12.00 | Exact: $11.72 |
B.
| Estimate: $16.00 | Exact: $15.63 |
C.
| Estimate: $8.00 | Exact: $7.81 |
D.
| Estimate: $20.00 | Exact: $19.54 |
Mathematics