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10 cards from this deck
y=ax3+bx2+cx+dy = ax^3 + bx^2 + cx + dy=ax3+bx2+cx+d where a≠0a \neq 0a=0
At least one; can be 1, 2, or 3
Set x=0x = 0x=0; gives point (0,d)(0, d)(0,d)
Set y=0y = 0y=0 and solve for xxx
Number-line showing when expression is positive or negative
Sign changes from one side to the other
Reflection in the x-axis
Same sign on both sides of intercept
At the corresponding x-axis intercept
Positive: rises right; negative: falls right
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