1. Which point is NOT on the graph of y = -2/x? a. ( -1/2, 4) b.(-1,2) c. (2, -1

Question

1. Which point is NOT on the graph of y = -2/x? a. ( -1/2, 4)    b.(-1,2)    c. (2, -1)     d. ( 8,-1/16 2. Which equation is a line of symmetry for xy = -7 and doesNOT intersect the branches of the graph? a. x = 0     b. y =0      c. y =x      d. y = -x 3. What are the asymptotes of the graph of y = 10/ x - 5 a. x = 0, y = 5       b. x = 5,y = 0     c. x = 5, y =10     d. x = 10, y = 5 1. Which point is NOT on the graph of y = -2/x? a. ( -1/2, 4)    b.(-1,2)    c. (2, -1)     d. ( 8,-1/16 2. Which equation is a line of symmetry for xy = -7 and doesNOT intersect the branches of the graph? a. x = 0     b. y =0      c. y =x      d. y = -x 3. What are the asymptotes of the graph of y = 10/ x - 5 a. x = 0, y = 5       b. x = 5,y = 0     c. x = 5, y =10     d. x = 10, y = 5

Explanation / Answer

1. d. It should be (8, -1/4) 2. c. 3. b. Equate the denominator to zero. x -5 = 0 => x = 5. Thenumerator is a constant. So the value of y cannot be zero for anyx. Thus, y=0 is an asymptote.

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