Find the vertex and y-intercept and graph the equation.y = 2x - 
x2
A. vertex: (5, 5); y-intercept: 0
B. vertex: (0, 0); y-intercept: 0
C. vertex: (0, 0); y-intercept: 0
D. vertex: (-5, -5); y-intercept: 0
Answer: A
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Graph the system of linear inequalities.x + 2y ? 2 and x - y ? 0
A. 
B. 
C. 
D. 
Planets travel in elliptical orbits with the sun at one focus. Assume that the focus is at the pole, the major axis lies on the polar axis, and the length of the major axis is 2a (see figure). The polar equation of the orbit of a planet is given below, where e is the eccentricity. If 
miles and 
find the perihelion distance (the minimum distance from the sun to the planet). Round your answer to the nearest mile.
A) 86,596,392 miles
B) 91,219,608 miles
C) 8,659,639 miles
D) 9,121,961 miles
E) 865,963,920 miles
Solve the problem.Your bank account has $53 in it when you write checks for $10, $13, and $43. You then deposit $23 and $18. How much is in the account? Are you overdrawn?
A. $78, no B. $71, no C. -$78, yes D. $28, no
Simplify the complex rational expression.
A. 
B. 
C. 
D. 