Pre-Algebra Examples

$y = {(x - 3)}^{2}$

Step 1

To find the y-intercept(s), substitute in $0$ for $x$ and solve for $y$ .

$y = {((0) - 3)}^{2}$

Step 2

Solve the equation.

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Step 2.1

Remove parentheses.

$y = {(0 - 3)}^{2}$

Step 2.2

Remove parentheses.

$y = {((0) - 3)}^{2}$

Step 2.3

Simplify ${((0) - 3)}^{2}$ .

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Step 2.3.1

Subtract $3$ from $0$ .

$y = {(- 3)}^{2}$

Step 2.3.2

Raise $- 3$ to the power of $2$ .

$y = 9$

Step 3

y-intercept(s) in point form.

y-intercept(s): $(0, 9)$

Step 4