09-02-2022
Mathematics

contestada

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

29. y=2x² - 3x - 35

31: y=-7x² - 2x + 5

Respuesta :

rspill6 rspill6

10-02-2022

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.

Ver imagen rspill6

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