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10 questions from this quiz
Value where f(x)=0f(x) = 0f(x)=0
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If a×b=0a \times b = 0a×b=0, then a=0a = 0a=0 or b=0b = 0b=0
No real roots
Write in standard form ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0
x=−3x = -3x=−3 or x=7x = 7x=7
y2−7=0y^2 - 7 = 0y2−7=0
Squaring may introduce invalid solutions
b≠−2b ≠ -2b=−2 and b≠−1b ≠ -1b=−1
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