Find the vertex of the given parabola.x = y2 + 14y + 40
A. (-7, -9)
B. (-7, 0)
C. (0, -9)
D. (-9, -7)
Answer: D
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Solve the rational equation. If there is no solution, state this as your answer.
- 
= 
A. 
B. 
C. 
D. 
Identify the graph of the equation as an ellipse or a hyperbola. Do not graph.x2 - 7y2 = 2
A. ellipse B. hyperbola
Solve the problem.A cup of coffee with temperature 101°F is placed in a freezer with temperature 0°F. After 6 minutes, the temperature of the coffee is 62.5°F. What will its temperature be 17 minutes after it is placed in the freezer? Round your answer to the nearest degree.
A. 20°F B. 26°F C. 24°F D. 22°F
Solve and graph. Write the solution set in set-builder and interval notation.x ? -7
A. {x
x > -7}; (-7, ?) 
B. {x
x < -7}; (-?, -7) 
C. {x
x ? -7}; [-7, ?) 
D. {x
x ? -7}; (-?, -7] 