NZ Level 7 (NZC) Level 2 (NCEA)
Evaluating Exponential Functions

## Interactive practice questions

Fill in the missing coordinate in each ordered pair so that the pair is a solution to the equation $y=5^x$y=5x.

a

$\left(3,\editable{}\right)$(3,)

b

$\left(\editable{},5\right)$(,5)

c

$\left(-1,\editable{}\right)$(1,)

d

$\left(\editable{},\frac{1}{25}\right)$(,125)

Easy
Approx 2 minutes

Fill in the missing coordinate in each ordered pair so that the pair is a solution of $y=3^{-x}$y=3x.

Fill in the missing coordinate in each ordered pair so that the pair is a solution of $y=-2^x$y=2x.

Consider the equation $y=5\times4^x$y=5×4x.

Find the value of $y$y when:

### Outcomes

#### M7-6

Manipulate rational, exponential, and logarithmic algebraic expressions

#### 91261

Apply algebraic methods in solving problems