CHALLENGE

ACTIVITY

$2\mathrm{.}4\mathrm{.}2$: Numeric types: Floating$-$point.

$518646\mathrm{.}3907278.$qx$32$qy$7$

Jump to level $1$

A polynomial is given by $p=-u^2-9\mathrm{.}5u-5\mathrm{.}5.$ Read $u$ from input as a float and compute $p$ using the polynomial. Ex: If the input is $3\mathrm{.}0,$ then the output is:

$-43\mathrm{.}000$

Note: $u^2$ can be computed using $*.$

$1$

$2\text{'}"\text{'}$ Your code goes here

$3$

$4pr{\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}(f^{\text{'}}\{p$:$\mathrm{.}3f{\}}^{\text{'}})$