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10 questions from this quiz
Rearranging one equation, then substituting
Replace xxx with y−5y - 5y−5
2y2−10y+16=02y^2 - 10y + 16 = 02y2−10y+16=0
y=7y = 7y=7 or y=4y = 4y=4
x=2x = 2x=2
(2,7)(2, 7)(2,7) and (−1,4)(-1, 4)(−1,4)
4x2+4x+1=04x^2 + 4x + 1 = 04x2+4x+1=0
x=−12x = -\frac{1}{2}x=−21
The line is tangent to the curve
A line that touches without cutting it
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