Precalculus Examples

$y = x - 1$

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.

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Step 2.1

Remove parentheses.

$y = 0 - 1$

Step 2.2

Remove parentheses.

$y = (0) - 1$

Step 2.3

Subtract $1$ from $0$ .

$y = - 1$

Step 2.4

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

$(0, - 1)$

Step 3

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

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Step 3.1

Remove parentheses.

$y = 1 - 1$

Step 3.2

Remove parentheses.

$y = (1) - 1$

Step 3.3

Subtract $1$ from $1$ .

$y = 0$

Step 3.4

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

$(1, 0)$

Step 4

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

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Step 4.1

Remove parentheses.

$y = 2 - 1$

Step 4.2

Remove parentheses.

$y = (2) - 1$

Step 4.3

Subtract $1$ from $2$ .

$y = 1$

Step 4.4

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

$(2, 1)$

Step 5

These are three possible solutions to the equation.

$(0, - 1), (1, 0), (2, 1)$

Step 6

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