Maths4U
Menu

Exam-Style Problem

Back to Solving quadratic inequalities
Browsing as Guest. Progress, bookmarks and attempts are disabled. Log in to track your work.
M4U-9709-Q26-E-IN048 marks

E-IN04 · Every point versus at least one point

Let \(F(x)=2x^2-12x+10\). A closed interval \([h,h+2]\) moves along the x-axis.

Solve \(F(x)\lt 0\).

[2]

Find all \(h\) for which \(F(x)\lt 0\) for every \(x\in[h,h+2]\).

[3]

Find all \(h\) for which there is at least one \(x\in[h,h+2]\) with \(F(x)\lt 0\).

[3]

Complete-answer checking, worked solutions and written marking guidance.

Open the complete answer form
No problems left in this filter.
Back to Solving quadratic inequalities