Desmos Graphing Calculator

CalcReferenceCopy

Math·Advanced Math·Nonlinear functions

hard

$x$	$y$
$-\frac{5}{9}$	0
0	-120
6	0

The table shows three values of $x$ and their corresponding values of $y$. There is a quadratic relationship between $x$ and $y$. An equation that represents this relationship can be written as $y=36x^2-bx-120$, where $b$ is a constant. What is the value of $b$?

1

196