State whether the parabola opens upward or downward.y = 5 - (x + 3)2
A. Upward
B. Downward
Answer: B
Mathematics
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Fill in the blank with one of the words or phrases listed below. 
A(n) 
is made up of two rays that share the same endpoint. The common end point is called the 
.
A. adjacent; vertex B. adjacent; vertical C. angle; vertex D. angle; vertical
Mathematics
Evaluate the integral.
A. 
e7x2 + C
B. 4e7x + C
C. 
e7x+1 + C
D. 
e7x + C
Mathematics
Provide an appropriate response.A student was trying to solve the problem 4x(4x - 3) = 0. The student knew that he or she should set 4x - 3 = 0 but was confused about whether to set 4x = 0, or 4 = 0 and x = 0. How would you advise this student?
What will be an ideal response?
Mathematics
Show by substitution whether the number r is a solution of the corresponding quadratic equation.x2 + 2x - 99 = 0; r = 9
A. Yes B. No
Mathematics