ExamPlay Dark Logo
登入

Mathematics for IGCSE & O level - Equations (Section 7 - No. 41)

To factor a quadratic equation x² + bx + c = 0, what must the two numbers you find add up to?
c
b
a
c/2

解释

The two numbers must add up to the coefficient of x, which is b.

评论 (0)

广告