Determine if the parabola whose equation is given opens upward or downward.y = x2 - 3x - 9
A. downward
B. upward
Answer: B
Mathematics
You might also like to view...
Solve the problem.Find the fluid force on one side of a cubical container 7.0 cm on an edge if the container is filled with mercury. The density of mercury is 133 kN/m3.
A. 650 N B. 23,000 N C. 23 N D. 4.6 N
Mathematics
Simplify. Assume that each variable is nonnegative.(2
+ 5)(
- 5)
A. 2x
- 20
- 25
B. 2x
- 10
+ 5
- 25
C. 2x - 25
D. 2x - 20
- 25
Mathematics
Use the Factor Theorem to determine whether the linear polynomial is a factor of the second polynomial.x - 6; x3 - 12x2 + 45x - 54
A. Yes B. No
Mathematics
Solve the problem.If an object is dropped, the distance it falls is given by d = 16t2. Find the distance an object would fall in 4 seconds.
A. 512 ft B. 256 ft C. 128 ft D. 64 ft
Mathematics