dragongacha777
dragongacha777
16.10.2020 • 
Mathematics

Complete the work shown to answer the question. p2 – 14p – 72 = 0

p2 – 14p = 72

p2 – 14p + 49 = 72 + 49

Which describes the solutions of the equation?

Since 7 and 11 are both rational, the sum and difference are rational.
Since 14 and 11 are both rational, the sum and difference are rational.
Since 7 is rational and StartRoot 11 EndRoot is irrational, the sum and difference are irrational.
Since StartRoot 7 EndRoot is irrational and 11 is rational, the sum and difference are irrational.

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