Algebra Examples

$y = 98 \cdot {0.79}^{x}$

Step 1

Choose any value for $x$ that is in the domain to plug into the equation.

Step 2

Choose $0$ to substitute in for $x$ to find the ordered pair.

Tap for more steps...

Step 2.1

Simplify $98 \cdot {0.79}^{0}$ .

Tap for more steps...

Step 2.1.1

Anything raised to $0$ is $1$ .

$y = 98 \cdot 1$

Step 2.1.2

Multiply $98$ by $1$ .

$y = 98$

Step 2.2

Use the $x$ and $y$ values to form the ordered pair.

$(0, 98)$

Step 3

Choose $1$ to substitute in for $x$ to find the ordered pair.

Tap for more steps...

Step 3.1

Simplify $98 \cdot {0.79}^{1}$ .

Tap for more steps...

Step 3.1.1

Evaluate the exponent.

$y = 98 \cdot 0.79$

Step 3.1.2

Multiply $98$ by $0.79$ .

$y = 77.42$

Step 3.2

Use the $x$ and $y$ values to form the ordered pair.

$(1, 77.42)$

Step 4

Choose $2$ to substitute in for $x$ to find the ordered pair.

Tap for more steps...

Step 4.1

Simplify $98 \cdot {0.79}^{2}$ .

Tap for more steps...

Step 4.1.1

Raise $0.79$ to the power of $2$ .

$y = 98 \cdot 0.6241$

Step 4.1.2

Multiply $98$ by $0.6241$ .

$y = 61.1618$

Step 4.2

Use the $x$ and $y$ values to form the ordered pair.

$(2, 61.1618)$

Step 5

These are three possible solutions to the equation.

$(0, 98), (1, 77.42), (2, 61.1618)$

Step 6