Evaluate the algebraic expression for the given value(s) of the variable(s).x2 - 5x ; x = 4
A. x2 - 20
B. -4
C. 11
D. -12
Answer: B
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Rewrite the expressions with rational exponents as radical expressions, and then solve the equation.(x2 + 2)1/2 - (2x + 5)1/2 = 0
A. {3, -1} B. {3} C. {-3, 1} D. ?
Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked. Center City East Parking Garage has a capacity of 258 cars more than Center City West Parking Garage. If the combined capacity for the two garages is 1228 cars, find the capacity for each garage.
A.
| Center City East: | 753 cars |
B.
| Center City East: | 485 cars |
C.
| Center City East: | 743 cars |
D.
| Center City East: | 475 cars |
For the given quadratic equation, one of its solutions has been provided. Use it to find the other solution. 40x2 - 92x - 20 = 0, x = 
A. x = - 
B. x = 5
C. x = - 
D. x = 
Solve the problem.P(x) = -x3 + 
x2 - 60x + 100, x ? 5 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of tires that must be sold to maximize profit.
A. 500,000 B. 500,000 C. 550,000 D. 450,000