Algebra Examples

$y = - 7 {(x - 4)}^{2} - 5$

Step 1

Use the vertex form, $y = a {(x - h)}^{2} + k$ , to determine the values of $a$ , $h$ , and $k$ .

$a = - 7$

$h = 4$

$k = - 5$

Step 2

Find the vertex $(h, k)$ .

$(4, - 5)$

Step 3