The equation of the tangent to the curve y = x² − 3x + 2 at the point where x = 2 is:
The equation of the tangent to the curve y = x² − 3x + 2 at the point where x = 2 is:
- A. x − y = 0
- B. x + y = 2
- C. x − y = 2
- D. x + y = 0
Answer: C) x − y = 2
Explanation: When x = 2, y = 4 − 6 + 2 = 0. dy/dx = 2x − 3, at x = 2 slope = 1. Tangent: y − 0 = 1(x − 2) → y = x − 2 → x − y = 2.
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