Which graph accurately indicates the region, shaded in green, that would determine the solution for
2 answers:
Answer:
Second graph
Step-by-step explanation:
Given inequality,
| x + 7 | - 2 ≥ 0
| x + 7 | ≥ 2
x + 7 ≥ ± 2
x ≥ -7 ± 2
⇒ x ≥ -7 + 2 or x ≥ -7 - 2
⇒ x ≥ -5 or x ≥ -9,
Thus, in the shaded region x ≥ -5 or x ≥ -9,
In the given graphs, the shaded region represents by green,
In the first graph, green line lies in the region -9 ≤ x ≤ -5
Thus, it can not be the graph of the given inequality,
In the second graph, green line lies in the region x ≥ -5 or x ≥ -9
Hence, second graph would be the answer.
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Answer:
This is a right triangle
Step-by-step explanation:
Pythagoras theorem is used to determine if a triangle is right, acute or obtuse
If the sum of squares of two shorter lengths is greater than the square of third side then the triangle is an acute triangle.
If the sum of squares of two shorter lengths is less than the square of third side then the triangle is an obtuse triangle.
If the sum of squares of two shorter lengths is equal the square of third side then the triangle is a right triangle.
so,
Therefore, the given triangle is a right triangle ..