Arithmetic with Rational Expressions

Multiple Select

The value of $$x$$ is $$\frac {\text{-}1}{4}$$ . Order these expressions from least to greatest: $$x$$ , $$1-x$$ , $$x-1$$ , $$-1\div x$$ .

• x

• 1-x

• x-1

• -1\div x

Multiple Choice

Which of the following expressions has the value $$\frac {\text{-}3}{4}$$ ?

• 3/4
• -4/3
• -3/4
• -3/2

Multiple Choice

Find the value of the expression $$-22 + 5$$ .

• -17

• -27

• 17

• 27

Multiple Choice

Find the value of the expression $$-22 -(-5)$$ .

• -17

• -27

• -22

• -5

Multiple Choice

Find the value of the expression $$(-22) (-5)$$ .

• -110
• -5
• 22
• 110

Multiple Choice

Find the value of the expression $$-22 \div 5$$ .

• -4.4

• 4.4

• -4

• 4

Multiple Choice

Evaluate the expression $$x+y$$ if $$x$$ is $$\frac{2}{5}$$ and $$y$$ is $$-4$$ .

• -2
• -4
• -18/5
• 0

Multiple Choice

Evaluate the expression $$2x-z$$ if $$x$$ is $$\frac{2}{5}$$ and $$z$$ is -0.2.

• 0.5
• 1
• -1
• 2

Multiple Choice

Evaluate the expression $$x+y+z$$ if $$x$$ is $$\frac{2}{5}$$ , $$y$$ is $$-4$$ , and $$z$$ is -0.2.

• -2.5
• 0.5
• -4.2
• -3.8

Multiple Choice

Evaluate the expression $$y \cdot x$$ if $$x$$ is $$\frac{2}{5}$$ and $$y$$ is $$-4$$ .

• 0
• -8/5
• -2
• -4