Find the midpoint of the line segment joining the two points.(6, -7) and (3, 7)
A. 
B. (9, 0)
C. 
D. (3, -14)
Answer: C
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Graph the pair of equations on the same set of axes. Graph the equation on the left using a solid line and the function on the right with a dashed line. y = 3-x,
x = 3-y
A. 
B. 
C. 
D. 
Solve using the elimination method. x + y = -1x - y = -7
A. (-1, -7) B. (-5, 4) C. (4, 4) D. (-4, 3)
Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 40 feet and the height of the arch over the center of the roadway is 10 feet. Two trucks plan to use this road. They are both 8 feet wide. Truck 1 has an overall height of 
and Truck 2 has an overall height of 
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Both Truck 1 and Truck 2 can pass under the bridge. B. Neither Truck 1 nor Truck 2 can pass under the bridge. C. Truck 2 can pass under the bridge, but Truck 1 cannot. D. Truck 1 can pass under the bridge, but Truck 2 cannot.
Write as the sum and/or difference of logarithms. Express powers as factors.log3
A. log3x - 2
B. - 2log3x
C. 6 - 
log3x
D. 
log3x - 2