Identify the type of graph.x2 - 7x + y = 0
A. The graph is an ellipse with center (0, 7).
B. The equation has no graph.
C. The graph is a parabola opening upward.
D. The graph is a parabola opening downward.
Answer: D
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If the number given is a mixed number, convert it to a fraction. If the number is given as a fraction, convert it to a mixed number.
A. 
B. 
C. 
D. 
Find the domain.f(x) = 
A. {x|x ? 20} or [20, ?) B. {x|x ? 0} or [0, ?) C. All real numbers or (-?, ?) D. {x|x ? -20} or [-20, ?)
Simplify the expression using the order of operations.(-32 ÷ 4) - (3 ÷ 3)
A. -8 B. -9 C. 7 D. 8
Solve the problem.A motorcycle and a car leave an intersection at the same time. The motorcycle heads north at an average speed of 20 miles per hour, while the car heads east at an average speed of 48 miles per hour. Find an expression for their distance apart in miles at the end of t hours.
A. 52t miles
B. 2t
miles
C. 52
miles
D. t
miles