See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
12 questions from this quiz
Highest power is a square
Two
Squaring +ve & -ve gives same value
Rearrange equation to equal zero
Often easiest & quickest if possible
ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0
No real solutions
a=1a = 1a=1, b=−4b = -4b=−4
Factor it out first
(x+5)2−25(x + 5)^2 - 25(x+5)2−25
Consider both +ve & -ve roots
Always use brackets around -ve numbers
Select your subjects, and get access to A+ resources today.