Zero product property — Algebra I · Grade 9 or accelerated Grade 8, what it means and where it is taught
If AB = 0 then A = 0 or B = 0.
Taught in Algebra I · Grade 9 or accelerated Grade 8.
Where it is taught
Practise this idea
1 question in the course bank use Zero product property, in Solving Quadratic Equations.
Problem 1
Given (x - 4)(x + 1) = 6, which step is valid?
- Expand and move everything to one side
- Set x - 4 = 6
- Set x + 1 = 6
- Set both factors to 6
Worked answer
Expand and move everything to one side
You cannot split a product that equals 6
Expand first: x2 - 3x - 10 = 0