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12 questions from this quiz
Intersection points of line and curve
Substitution method
A straight line
Circles, parabolas, or hyperbolas
Express one variable in terms of other
Linear equations easy to rearrange
Two solutions
Line is tangent to the curve
−1-1−1
999
x2+y2=r2x^2 + y^2 = r^2x2+y2=r2
Always the linear equation
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