Use the square root property to solve the equation. x2 = 18
A. {324}
B. 
C. {9}
D. 
Answer: D
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Solve the system by substitution. If the system is inconsistent or dependent, say so.
A. infinite number of solutions of the equation -4x - 16y = 9; dependent system B. (8, 1) C. (0, -4) D. empty set solution; inconsistent system
Solve the problem.Allied Radio is a company which makes clock radios. The following table gives the profit, y, in dollars that this company made during the three stated years, x.
This set of data can be modeled by f(x) = ax2 + bx + c, where x represents the year. Find a linear system for which the solution represents the values of a, b, and c. Use technology to solve this system. Then, using the quadratic equation, predict the profit that Allied Radio made in the year 1993. Round your answer to the nearest hundred dollars.
A. $394,400 B. $393,900 C. $294,600 D. $394,200
Find the finance charge and total installment cost of the loan. Round to the nearest cent.Amount financed: $220Down payment: $70Cash price: $290Number of payments: 18Amount of payment: $13.83
A. $10.94; $388.94 B. $41.06; $318.94 C. $248.94; $388.94 D. $28.94; $318.94
Solve.|7x + 4| = |9 - 10x|
A. 
B. 
C. 
D. 