chapter 2 rev ans

# chapter 2 rev ans - Answerkey ReviewChapter2 Directions:...

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Answer key Review Chapter 2 Directions: Show all work to get credit. No work, no credit. Write neatly so I can read it. make sure I can follow the direction of your work. Circle or box final answers. Worth 1 point each. Determine whether the pair of lines is parallel, perpendicular, or neither. 1) 3x - 2y = 9 2x + 3y = 9 2) 12x + 4y = 16 18x + 6y = 27 3) 9x + 3y = 12 27x + 9y = 38 4) 4x - 12y = -7 32x + 16y = -7 perpendicular parallel parallel neither 5) y + 7 = -4x 4y = 12x - 20 6) y - 9 = - x y - x = 9 neither p e r p e n d i c u l a r Find the domain of the function. 7) f(x)= ௫ାଶ : All real except x -2 8) f(x)= ାହ௫ି଺ : ( - , - 6) ( - 6, 1) ( 1, ) All real except x -6 and 1 9) f(x)= √13 െ ݔ : ( - , 13] or x § 13 10) f(x)= ሺ௫ା଼ሻሺ௫ି଼ሻ ା଺ସ ( - , ) or All real 11) f(x)= √௫ିଵ଴ (10, ) x>10 12) f(x)= √ݔ ൅13 ( - , ) Use the vertical-line test to determine whether the graph represents a function. Red=yes, blank=no 16) 17) 18)

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Answer key Review Chapter 2 Determine whether the slope of the line is positive, negative, zero, or undefined.
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## This note was uploaded on 06/09/2011 for the course MTH 199 taught by Professor Staff during the Spring '08 term at Sam Houston State University.

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chapter 2 rev ans - Answerkey ReviewChapter2 Directions:...

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