Welcome to the Quiz!

This quiz contains 14 questions from a mix of 1 subtopics.

Is a surd a rational or irrational number?

Irrational

Rational

0

/

1

Which for the following describes a surd?

A rational root of an irrational number 

A rational root of a rational number 

An irrational root of a rational number 

An irrational root of an irrational number 

0

/

1

Does √9 count as a surd?

No, because 9 is a square number so can be square rooted to give an integer.

Yes, because the 9 is in a square root sign.

0

/

1

What is 9\sqrt{9}

3

0

/

1

Evaluate √7×√5
\sqrt{35}

0

/

1

Evaluate √11×√3
\sqrt{33}

0

/

1

Evaluate √30÷√5
\sqrt{6}

0

/

1

Evaluate √21÷√7
\sqrt{3}

0

/

1

Write √50 in the form k√2 where k is an integer
5\sqrt{2}

0

/

1

Write √48 in the form k√3 where k is an integer
4\sqrt{3}

0

/

1

Write √27 in the form k√3 where k is an integer
3\sqrt{3}

0

/

1

Express √72 in its simplest form
6\sqrt{2}

0

/

1

Express √300 in its simplest form
10\sqrt{3}

0

/

1

Write 4√20 in the form k√5 where k is an integer
8\sqrt{5}

0

/

1