Inequalities - Activity 2 - 1st

Express in Interval notation:

A = {x / x ∈ IR, 1/2 < x < 2}

• [1/2; 2]

• ]1/2; 2[

• ]1/2; 2]

• [1/2; 2[

Express in Interval notation:

B = {x / x ∈ IR, –3/11 < x ≤ 2}

• [-3/11; 2]

• ]-3/11; 2[

• ]-3/11; 2]

• [-3/11; 2[

Represent algebraically the following situation:

The Andean condor can fly up to 7,000 m high

• x > 7,000

• x < 7,000

• x ≥ 7,000

• x ≤ 7,000

Find the solution of the following inequalitie: 

3𝑥 + 4 < 𝑥 + 10

• x > 3

• x > 6

• x < 6

• x < 3

Find the solution of the following inequalitie: 

𝑥 + 3(𝑥 + 4) < 2(𝑥 + 1)

• x > -5

• x > -10

• x < -5

• x < -10