Determine whether the given ordered pair is a solution to the system of equations.(6, 1)2x + y = 114x + 2y = 22
A. No
B. Yes
Answer: A
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Find the product.(7x - 1)(x2 - 3x + 1)
A. 7x3 - 20x2 + 4x - 1 B. 7x3 - 21x2 + 7x + 1 C. 7x3 - 22x2 + 10x - 1 D. 7x3 + 22x2 - 10x + 1
Determine if the given function y is a solution of the differential equation that follows it. Assume that C is an arbitrary constant.y = Ce-5t; y'(t) + 5y = 0
A. No B. Yes
Solve the problem.When you buy an item on which sales tax is charged, the total cost is calculated by the formula: 
where T is the total cost, P is the item's price, and S is the sales tax rate (as a percent). If you pay $14.77 for an item priced at $14, what was the tax rate?
A. 6.5% B. 5.5% C. 2.75% D. 7.5%
Find the equation of the hyperbola with the given characteristics.center at the origin, vertices at (0, 
) and (0, -
), asymptotes y = 
and y = - 
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1