## 3.6 Quadratic Function, SPM Practice (Short Question)

Question 3: The straight line y = 5x – 1 does not intersect with the curve y = 2×2 + x + h. Find the range of values of h. Solution: y=5x−1 …… (1) y=2 x 2 +x+h …… (2) Substitute (1) into (2), 5x−1=2 x 2 +x+h 2 x 2 +x+h−5x+1=0 2 x 2 −4x+h+1=0 b 2 −4ac<0 ( −4 … Read more3.6 Quadratic Function, SPM Practice (Short Question)