Core 1 Formulae
- Created by: Harraseda
- Created on: 17-05-16 17:33
Other questions in this quiz
2. What is the discriminant?
- 2a-4bc
- b^2-(4ac)
- -b+(4ac)/2a
- Square Root of: b^2-(4ac)
3. Midpoint of two points
- (x2-x1)/2 , (y2-y1)/2
- (x2-x1)/(y2-y1)
- (y2-y1)/(x2-x1)
- (y-y1)=m(x-x1)
4. Equation of a line
- [(x2-x1)^2 + (y2-y1)^2]^2
- (y-y1)=m(x-x1)
- (x-x1)=m(y-y1)
- Square Root of: (x2-x1)^2 + (y2-y1)^2
5. Equation of a circle, with centre (a,b) and radius r
- r^2+(x-b)^2+(y-a)^2=0
- (x-a)^2+(y-b)^2=r^2
- (x-b)^2+(y-a)^2=r^2
- y=abx+r
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