Question

Write an expression to represent each of the following sketches. Then give the value of each sketch.

Answer 1

The sketches are illustrations of inequalities

• The first sketch is: $-2 \le x \le 5$.
• The second sketch is: $3 \ge x \ge -4$

Sketch A

In sketch A, we have the following observations:

• The arrow faces left (this implies less than)
• The dots on -2 and -5 are closed dots (this implies less than or equal to).

Hence, the inequality is:

$-2 \le x \le 5$

Sketch B

In sketch B, we have the following observations:

• The arrow faces right (this implies greater than)
• The dots on -4 and 3 are closed dots (this implies greater than or equal to).

Hence, the inequality is:

$3 \ge x \ge -4$

Read more about inequalities at:

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