Find an equation for the ellipse described.Focus at (0, -6); vertices at (0, -7) and (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
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Determine whether the given expression is a monomial (Yes or No). For those that are monomials, state the coefficient and degree.y-7
A. no B. yes; coefficient y; degree -7 C. yes; coefficient -7; degree 1 D. yes; coefficient 1; degree -7
Use rational equations to solve the problems.An experienced accountant can balance the books twice as fast as a new accountant. Working together it takes the accountants 4 hours. How long would it take the experienced accountant working alone?
A. 8 hr B. 2 hr C. 10 hr D. 6 hr
Provide an appropriate response.
Using only this graph of f(x) = a(x - h)2 + k, what are the signs of h and k?
A. h is positive and k is negative. B. h is negative and k is positive. C. Both are positive. D. Both are negative.
Provide an appropriate response.When you multiply fractions, you do not have to use:
A. products B. reciprocals C. quotients D. none of these