Question 1: What is m if the following system of equations has an infinity of solutions?
2x + 6y = 3
4x + 3my = 6
1  2  3  4  5 

Question 2: What is the radius of the circle defined by the equation (x - 3)² + (y - 1)² = 81?
3  4  9  12  18 

Question 3: sin(x)cos(x)(1 + tan²(x)) =
sin(x)+cos(x)  1+tan(x)  tan(x)  cos(x)  sin(x) 

Question 4: What is the length of the segment BD in the figure below, if AD is 5 inches?

6  7  8  10  12 

Question 5: What is the real value of x in the equation log₃45 - log₃5 = log₇x?
49  16  5  7  81 

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