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tamaranim1 [39]
3 years ago
11

Choose the correct description of the graph of the compound inequality x − 3 < −9 or x + 5 greater than or equal to 10.

Mathematics
2 answers:
forsale [732]3 years ago
8 0
X - 3 < 9    or    x + 5 ≥ 10
  + 3 + 3               - 5   - 5
     x < 12      or      x ≥ 5

Solution Set: {x|x < 12 or x ≥ 5}, (-∞, 12) or (5, ∞)
Lana71 [14]3 years ago
8 0

Answer:

A number line with an open circle on -6, shading to the left, and a closed circle on 5, shading to the right.

Step-by-step explanation:

The given compound inequality is

x-3 or x+5\geq 10

We need to find the description of the graph of the compound inequality.

Solve each inequality.

x-3

Add 3 on both sides.

x-3+3

x

The value of x is less that -6. Since -6 is not included in the solution set, therefore there is an open bracket at -6.

x+5\geq 10

Subtract 5 from both sides.

x+5-5\geq 10-5

x\geq 5

The value of x is greater than of equal to 5. Since 5 is included in the solution set, therefore there is a closed bracket at 5.

The solution of given compound inequality.

(-\infty,-6)\cup [5,\infty)

A number line with an open circle on -6, shading to the left, and a closed circle on 5, shading to the right.

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