2. Functions

Quadratic Inequalities — Quiz

Test your understanding of quadratic inequalities with 5 practice questions.

Practice Questions

Question 1

For the inequality $x^2-5x+6<0$, which set of $x$ values is the solution?

Question 2

For the inequality $x^2-4x-5\ge 0$, which interval is the solution?

Question 3

Which statement is true about the graph of $y=x^2+2x+1$ and the inequality $x^2+2x+1\le 0$?

Question 4

For the inequality $-x^2+4x-3>0$, which interval solves the inequality?

Question 5

If $f(x)=x^2-9$, which inequality is equivalent to $f(x)>0$?