1,122
edits
Changes
Jump to navigation
Jump to search
mLine 9:
Line 9: − + + + + + + + + + + + + + +
Activities- Quadratic equations problems (view source)
Revision as of 04:24, 30 October 2019
, 04:24, 30 October 2019added Category:Quadratic Equations using HotCat
216=x2+6x<br>
216=x2+6x<br>
x2 +6x -216=0<br>
x2 +6x -216=0<br>
Substitution: x 2 +18x-12x -216=0
Substitution: x 2 +18x-12x -216=0<br>
Simplification: x(x+18)-12(x+18)=0<br>
(x+18)( x-12)=0<br>
(x+18)=0 (x-12)=0<br>
x=-18, x=12<br>.
# Base=12cm, <br> Altitude=x+6
=12+6=18cm.<br>
'''Prior Knowledge''' -<br>
*Methods of solving the Eqn<br>
*Factorisation<br>
*Using Formula<br>
*Using Graph<br>
[[Category:Quadratic Equations]]