Provide an appropriate response.Why is the slope of a vertical line undefined?
What will be an ideal response?
Answers may vary. One possibility: Let (a, b) and (a, c), b ? c, be any two different points on a vertical line. The slope of the line = 
= 
= 
. Division by zero is undefined.
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Find the limit or state that it does not exist.
4x
A. 0 B. 4 C. 1 D. Does not exist
Evaluate the discriminant for the equation. Then use it to predict the number of distinct solutions, and whether they are rational, irrational, or nonreal complex.4x2 + 12x + 9 = 0
A. Two distinct irrational solutions B. Two distinct rational solutions C. One rational solution (a double solution) D. Two distinct nonreal complex solutions
Determine whether the ordered pair satisfies the equation.2x + 3y = 10; (2, 2)
A. Yes B. No
Simplify the radical expression. Assume all variables represent positive real numbers.
A. 
B. 16
C. 
D. 4