Question

Find the answer to square root of 144 end square root times start fraction seven over 16 end fraction and select the correct answer below. Also, is the product of two nonzero rational numbers classified as rational or irrational?
21 over four, rational
7.937…, irrational
start fraction seven over 16 end fraction square root of 12 end square root comma rational
5.25…, irrational

Answer 1

9514 1404 393

Answer:

  (a) 21 over four, rational

Step-by-step explanation:

  $\sqrt{144}\times\dfrac{7}{16}=12\times\dfrac{7}{16}=\dfrac{84}{16}=\boxed{\dfrac{21}{4}}$

This is the ratio of two integers, so is rational.