y = |x2 − 8x + 7| ;(x,1.5)

i need to find four x values with 1.5 as the y coordinate for this equation y = |x2 − 8x + 7|

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1 Answer

do two equations x^2 - 8x + 7 = 1.5

and x^2 - 8x + 7 = -1.5

1.  x^2 - 8x + 5.5 = 0

2. x^2 - 8x + 8.5 = 0

If you are familiar with the quadratic formula, you can use it from here and get your four answers.
by Level 5 User (11.9k points)

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