Question

Which statement is true about the difference 2 square root of 7 − square root of 26?

It is rational and equal to −2.
It is rational and equal to 0.
It is irrational and equal to −2 square root of 7.
It is irrational and equal to square root of 7.

Answer 1

It is rational and equal to 0

Explanation:

I got it right on the test (refer to capture)

Answer 2

2√7 - √26 ≈ 5.29150262213... - 5.09901951359...

... ≈ 0.19248310854...

The result is an irrational number not described by any of your answer selections.

None of the statements is true.