How can you tell if an inequality will have a solid line?

• It has an equal sign

• the symbol has “or equal to”

• The symbol is greater than

• the symbol is lesser than

Which of the following is a linear inequality in two variables?

• 7x – 4y = 3

• 4m + 3 < 23

• 2t ≤ 6

• 3 + 5t ≥ 3r

In the inequality x + y ≤ 5, which of the following in NOT a solution?

• (4, 5)

• (2, 2)

• (1, 3)

• (4, 0)

Which of the following best describe the graph of linear inequalities in two variables?

• Straight line

• Parabola

• Half-plane

• Half of a parabola

The elevator has a maximum capacity (c) of 8 persons. Which of the following mathematical statement represent the given situation?

• c = 8

• c ≤ 8

• c $\ge$ 8

• none of these

In linear inequalities in two variables, it has ________ solution/s.

• 0

• 1

• 2

• Infinite

The expenses for food (f) is greater than the expenses for clothing (c). Which of the following mathematical statement represent the given situation?

• f > c

• f < c

• f = c

• none of these

In y > 5 + x, where can we find the solution set?

• above the line

• below the line

• in the line

• no solution set

Which of the following is NOT a linear inequality in two variables?

• 3x + 2 > 2y

• 5t ≥ 3

• 7 + 4r < 3t

• 4a − 2b > 7

In the Inequality a + b ≤ 7, which of the following in a solution?

• (6, 5)

• (7, 6)

• (6, 1)

• (8, 0)