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 approximate value of the expression, rounded to four decimal places.tan 47.4°
A. -0.9621 B. 0.6769 C. 1.0875 D. 0.7361
Test the equation for symmetry with respect to the specified axis, line, or pole.r2 = sin(2?); the origin (pole)
A. Symmetric about the origin B. May or may not be symmetric about the origin
Find area of figure. Round to the nearest hundredth if necessary.
A. 264 m2 B. 132 m2 C. 258 m2 D. 1064 m2
Identify the polynomial as a monomial, binomial, trinomial, or none of these.-17x2
A. None of these B. Trinomial C. Monomial D. Binomial