Find the Vertex Form y=3x^2

$y = 3 x^{2}$

Step 1

Complete the square for $3 x^{2}$ .

Use the form $a x^{2} + b x + c$ , to find the values of $a$ , $b$ , and $c$ .

$a = 3$

$b = 0$

$c = 0$

Consider the vertex form of a parabola.

$a {(x + d)}^{2} + e$

Find the value of $d$ using the formula $d = \frac{b}{2 a}$ .

Substitute the values of $a$ and $b$ into the formula $d = \frac{b}{2 a}$ .

$d = \frac{0}{2 \cdot 3}$

Simplify the right side.

Cancel the common factor of $0$ and $2$ .

Factor $2$ out of $0$ .

$d = \frac{2 (0)}{2 \cdot 3}$

Cancel the common factors.

Factor $2$ out of $2 \cdot 3$ .

$d = \frac{2 (0)}{2 (3)}$

Cancel the common factor.

$d = \frac{2 \cdot 0}{2 \cdot 3}$

Rewrite the expression.

$d = \frac{0}{3}$

Cancel the common factor of $0$ and $3$ .

Factor $3$ out of $0$ .

$d = \frac{3 (0)}{3}$

Cancel the common factors.

Factor $3$ out of $3$ .

$d = \frac{3 \cdot 0}{3 \cdot 1}$

Cancel the common factor.

$d = \frac{3 \cdot 0}{3 \cdot 1}$

Rewrite the expression.

$d = \frac{0}{1}$

Divide $0$ by $1$ .

$d = 0$

Find the value of $e$ using the formula $e = c - \frac{b^{2}}{4 a}$ .

Substitute the values of $c$ , $b$ and $a$ into the formula $e = c - \frac{b^{2}}{4 a}$ .

$e = 0 - \frac{0^{2}}{4 \cdot 3}$

Simplify the right side.

Simplify each term.

Raising $0$ to any positive power yields $0$ .

$e = 0 - \frac{0}{4 \cdot 3}$

Multiply $4$ by $3$ .

$e = 0 - \frac{0}{12}$

Divide $0$ by $12$ .

$e = 0 - 0$

Multiply $- 1$ by $0$ .

$e = 0 + 0$

Add $0$ and $0$ .

$e = 0$

Substitute the values of $a$ , $d$ , and $e$ into the vertex form $3 x^{2}$ .

$3 x^{2}$

Step 2

Set $y$ equal to the new right side.

$y = 3 x^{2}$

Find the Vertex Form y=3x^2

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