Real Numbers

Practice Questions

Pre-Algebra › Real Numbers

Questions

9

1

Which of the following is a real number?

2

If $\sqrt{6-5x}$ is a real number, which of the following cannot be a value of ?

3

Which number is the reciprocal of the reciprocal of $6 \frac{1}{2}$ ?

4

Order the following numbers from least to greatest.

$\frac{3}{4}, 0.7, \frac{7}{9}, 0.7\bar{5}$

5

If $\dpi{100} \small x\ and\ y$ are both negative, then $\dpi{100} \small \frac{x+y}{-xy}$ could NOT be equal to....

6

Which of the following are real numbers

$a) \sqrt{225}$

$b) \sqrt{-4}$

$d) \infty$

7

Which answer provides a set of real numbers?

8

If $\frac{122}{x-3}$ is a real number, which of the following CANNOT be a value for x?

9

If $\frac{873}{x^3-8}$ is a real number, which one of these cannot be a value of ?

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