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12 questions from this quiz
Rearrange one equation, substitute into other
Rearrange one equation to isolate a variable
y2−10y+25y^2 - 10y + 25y2−10y+25
y2−5y+8=0y^2 - 5y + 8 = 0y2−5y+8=0
y=7y=7y=7 or y=4y=4y=4
−1-1−1
Two
4x2−6x−104x^2 - 6x - 104x2−6x−10
4x2+4x+1=04x^2 + 4x + 1 = 04x2+4x+1=0
(2x+1)2(2x+1)^2(2x+1)2
The line is a tangent to the curve
A line that touches curve without cutting
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