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10 questions from this quiz
(x−a)(x−b)=0(x - a)(x - b) = 0(x−a)(x−b)=0
Change the sign of each root
Identify the roots
(x+4)(x−5)(x + 4)(x - 5)(x+4)(x−5)
x2−x−20=0x^2 - x - 20 = 0x2−x−20=0
(bx−a)(bx - a)(bx−a)
(2x−1)(2x - 1)(2x−1)
4x2−11x−3=04x^2 - 11x - 3 = 04x2−11x−3=0
Substitute roots; both should = zero
ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0
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