Find the x-intercept(s) of the graph of the equation. Graph the equation.y = x2 + 4x - 7
A. x-intercepts: none
B. x-intercepts: -2 ± 
C. x-intercept: 4
D. x-intercepts: -4 and 3
Answer: B
Mathematics
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Solve the equation.7 = 
- 5
A. 27 B. 24 C. 9 D. 10
Mathematics
Use the graph of a quadratic function to find the solution set of the equation or inequality.x2 - 7x + 10 ? 0
A. {2, 5}
B. [2, 5]
C. (-?, 2) ? (5, ?)
D.
| (2, 5) |
Mathematics
Solve the problem.A hotel has 280 units. All rooms are occupied when the hotel charges $100 per day for a room. For every increase of x dollars in the daily room rate, there are x rooms vacant. Each occupied room costs $24 per day to service and maintain. What should the hotel charge per day in order to maximize daily profit?
A. $202 B. $192 C. $190 D. $102
Mathematics
Find the reference angle for the given angle.186.6°
A. 6.6° B. 83.4° C. 173.4° D. 96.6°
Mathematics