Additional Mathematics 0606 / Quadratic functions / 1.81.8: Line and curve always touch or intersect0606/13/M/J/19 — Question 3 · 4 marksMark as done · Save for later · Show all solutionsShow that the line y=mx+4y = mx + 4y=mx+4 will touch or intersect the curve y=x2+3x+my = x^{2} + 3x + my=x2+3x+m for all values of mmm.[4]▸ Answer▸ Official mark scheme← 2.16: Completing the square and a substitution equation1.9: Modulus quadratic graph and three solutions →