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10 questions from this quiz
Where a straight line and parabola intersect
0, 1, or 2
A line that touches the curve at one point
Write both equations with yyy as subject
Set the two expressions equal and solve
(2,0)(2, 0)(2,0) and (4,−4)(4, -4)(4,−4)
Substitute into either original equation
The line is a tangent (one solution)
(1,0)(1, 0)(1,0) only
x2−6x+8=0x^2 - 6x + 8 = 0x2−6x+8=0
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