5-7- - 9 nbsp-is an irrational number-TrueFalse

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard IX

Mathematics

Mixed or Impure Surds

5√(7) + 9 n...

Question

$5 \sqrt{7} + 9 is an irrational number.$

True

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

False

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

Suggest Corrections

Similar questions

State, true or false :
$(i) \frac{7}{9} = \frac{7 + 5}{9 + 5} (i i) \frac{7}{9} = \frac{7 - 5}{9 - 5} (i i i) \frac{7}{9} = \frac{7 \times 5}{9 \times 5} (i v) \frac{7}{9} = \frac{7 \div 5}{9 \div 5} (v) \frac{- 5}{- 12} is a negative rational number (v i) \frac{- 13}{25} is smaller than \frac{- 25}{13} .$

Q. Study the following number line and answer the questions that follow.

2 5 9 1 7 2 5 1 9 7 3 9 5 2 4 6 8 1 9 7 5 2 7 3 1 9 7 8 5 2 6 5 4 1 9 7 8 2 0 1 0 9 7 8 5 1 9 7 3 5 1 6 9 7 2 1 7 3 7 9 5 1

How many times is number 9 preceded by 1 and succeeded by 7 which is not followed by 5 ?

Q. State true or false:

(iv)

\frac{7}{9} = \frac{7 \div 5}{9 \div 5}

Q. State true or false:

(iii)

\frac{7}{9} = \frac{7 \times 5}{9 \times 5}

Q. State true or false:

(ii)

\frac{7}{9} = \frac{7 - 5}{9 - 5}

Join BYJU'S Learning Program

5√7+9 is an irrational number.

$5 \sqrt{7} + 9 is an irrational number.$