New Zealand
Level 7 - NCEA Level 2

# Evaluate rational expressions

## Interactive practice questions

Find the value of the expression when $x=9$x=9:

$6x+4$6x+4

Easy
Less than a minute

Find the value of the expression when $x=3$x=3:

$3x^2-7x-4$3x27x4

Find the value of the expression when $x=-3$x=3:

$-3x^3+4x^2+7x+5$3x3+4x2+7x+5

Find the value of the expression when $x=8$x=8:

$\frac{x+6}{x+5}$x+6x+5

### Outcomes

#### M7-6

Manipulate rational, exponential, and logarithmic algebraic expressions

#### 91261

Apply algebraic methods in solving problems