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LiRa [457]
2 years ago
14

Find the x-coordinates of the points where the graph crosses the x-axis:

Mathematics
1 answer:
ruslelena [56]2 years ago
3 0

Answer:

29.  (5,0) and (-7/2,0)

30.  (-1,0) and (5/7,0)

Step-by-step explanation:

29. y=2x² - 3x - 35

      y = (x-5)(2x+7)

y is 0 at x = 5 and -(7/2)

31: y=-7x² - 2x + 5

    y =  -(x+1)(7x-5)

y is 0 at -1 and 5/7

See the attached graph.

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