x^2 = 5 - x
x^2 + x - 5 = 0
-1 +/-
x = (1 + √21) / 2
x = (1 - √21) / 2
matt ran 8 laps in 1,256 seconds if he ran each lap in the same amount of time how many seconds did it take him to run 1 lap
1 answer:
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x^2 = 5 - x
x^2 + x - 5 = 0
-1 +/-
x = (1 + √21) / 2
x = (1 - √21) / 2