Find an equation of the parabola described and state the two points that define the latus rectum.Focus at (0, 1); directrix the line y = -1
A. x2 = 8y; latus rectum: (4, 1) and (-4, 1)
B. x2 = 4y; latus rectum: (2, 1) and (-2, 1)
C. y2 = 8x; latus rectum: (3, 4) and (-3, 4)
D. x2 = 4y; latus rectum: (1, 2) and (-1, 2)
Answer: B
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Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. inconsistent
B. x = - 1 - 
w, y = - 
- 
w, z = 5 - w, where w is any real number
C. x = - 
- 
w, y = - 1 - 
w, z = 5 - w, where w is any real number
D. x = - 
+ 
w, y = - 1 + 
w, z = 5 - w, where w is any real number
Provide an appropriate response.A proper fraction has the form 
. What is the largest possible number that x can be?
A. 21 B. 20 C. 22 D. 10.5
Multiply.(2x + 5y)(2x - 5y)
A. 4x2 - 25y2 B. 4x2 - 20xy - 25y2 C. 4x2 + 20xy - 25y2 D. 4x2 + 25y2
Select the correct graph of the solution set of the system of inequalities. 
a. 
b. 
c. no solution
d. 