EDGE Math 8

Choose the correct answer to each question.

1.	Which of the following ordered pairs is a point in the region described by the inequality $y \geq x ?$

(−1, −2)

(1, 0)

(3, 2)

(4, 8)

Answer: (4, 8)

2.	Which of the following ordered pairs does not satisfy the inequality $x + y < 5 ?$

(−1, 4)

(0, 4)

(1, 7)

(2, 2)

Answer: (1, 7)

3.	Which of the following is true regarding the points that are in the region described by the inequality $y \geq 4 ?$

above the line

y = 4

below the line

y = 4

on or above the line

y = 4

on or below the line

y = 4

Answer: on or above the line $y = 4$

For items 4 and 5, refer to the following system of inequalities:

{\begin{array}{l} y \leq x + 1 \\ x \geq 0 \end{array}

4.	Which of the ordered pairs satisfies the given system?

(0, 3)

(1, 3)

(2, 4)

(5, 5)

Answer: (5, 5)

5.	Which of the following regions represents the given system?

to the left of the y-axis and on or above the line

y = x + 1

to the left of the y-axis and on or below the line

y = x + 1

to the right of the y-axis and on or above the line

y = x + 1

to the right of the y-axis and on or below the line

y = x + 1

Answer: to the right of the y-axis and on or below the line $y = x + 1$

/ 5