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10 questions from this quiz
Where two functions intersect
f(x)=g(x)f(x) = g(x)f(x)=g(x)
Δ=b2−4ac\Delta = b^2 - 4acΔ=b2−4ac
Two intersection points
The line is tangent to the parabola
No intersection points
The linear equation
Set the two functions equal
(a1−a2)x2+(b1−b2)x+(c1−c2)=0(a_1 - a_2)x^2 + (b_1 - b_2)x + (c_1 - c_2) = 0(a1−a2)x2+(b1−b2)x+(c1−c2)=0
When the equation doesn't factorise easily
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