Formula for solving a quadratic
This gives the solutions to the quadratic equation:
ax2 + bx + c = 0
The solution is given in the GCSE formula sheet but it helps and saves time if you know it and are practiced in using it. At A-level you need to know it.
The solutions are given by
-mathformula not MarkupType-
Fatal error: Uncaught Error: Call to undefined method mathformula::makeTypeDef() in /var/www/vhosts/ent.storkey.uk/html/inc/reporting2.php:365
Stack trace:
#0 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(189): echo_value('quadformula', 'content', Array)
#1 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(742): dynaPage->echo_value('content')
#2 /var/www/vhosts/ent.storkey.uk/html/inc/dynaPage.php(179): mainPanel->write('main-panel')
#3 /var/www/vhosts/ent.storkey.uk/html/index.php(21): dynaPage->write()
#4 {main}
thrown in /var/www/vhosts/ent.storkey.uk/html/inc/reporting2.php on line 365