Match the quadratic function to the correct graph.y = -(x + 2)2 + 7
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Factor completely.x2 - x - 90
A. (x + 1)(x - 19) B. (x - 10)(x + 10) C. (x + 10)(x - 9) D. (x + 9)(x - 10)
Mathematics
Use trigonometric identities to solve each equation in the interval [0, 2?] tan2 x = - 
sec x
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.On March 10 Henry rented a van with a full tank of gas and 14,934.0 miles on the odometer. On March 12 he returned the van with 15,151.8 miles on the odometer. The rental agency charged Henry 
for the rental and needed 11 gallons to fill up the tank. What was the van's rate of gas consumption in miles per gallon?
A. 31.5 miles/gallon B. 0.1 miles/gallon C. 19.8 miles/gallon D. 217.8 miles/gallon
Mathematics