SOLVING QUADRATIC INEQUALITIES WORKSHEET

Solve the following Quadratic Inequalities

Questions :

1)  5 - 4y - y² > 0

2)  1 - y - 2y² < 0

3)  (y - 3) (y + 2) > 0

4)  y² - 2y - 3 < 0

Solution

5)  y² - y ≥ 12

6)  -y² + 4 > 0

7)  -y² + 3y - 2 ≤ 0

8)  -2y² + 5y + 12 ≤ 0

Solution

Answers :

1)  (-5, 1)

2)  (-1, 1/2)

3)  (-2, 3)

4)  (-1, 3)

Solution

5)  [-3, 4]

6)  (-2, 2)

7)  [1, 2]

8)  [-3/2, 4]

Solution

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