Learning Mathematical Variables

• Yes, because the product of the terms is correct and the inequality symbol is reversed.

• Yes, because the product of the terms is correct and the inequality symbol does not change.

• No, because multiplying a negative integer reverses the direction of the inequality symbol.

• No, because multiplying a negative integer does not change the inequality symbol.

Match the verbal statement to the mathematical statement. Fourteen more than a number x is greater than 24

Match the verbal statement to the mathematical statement. Seven increased by a number x is equal to y

Match the verbal statement to the mathematical statement. A number m subtracted from fourteen is less than n

Identify whether the situation represents a linear inequality in two variables or not.

The difference of the number of a 50 —peso tickets (t) and 75 —peso tickets (s) is not equal to 200.

• Linear Equation in Two Variables

• Linear Inequalities in Two Variables

Identify whether the situation represents a linear inequality in two variables or not. The price of a refrigerator (r) is greater than the price of a washing machine (w) increased by Php850.

• Linear Equation in Two Variables

• Linear Inequalities in Two Variables

Identify whether the situation represents a linear inequality in two variables or not.

The number of girls (g) in the theater arts club is 3 more than twice the number of boys (b).

• Linear Equation in Two Variables

• Linear Inequalities in Two Variables

Identify whether the situation represents a linear inequality in two variables or not. A dozen of oranges (o) added to two dozen of apples (a) has a total cost of at most Php 1, 950.

• Linear Equation in Two Variables

• Linear Inequalities in Two Variables

Identify whether the situation represents a linear inequality in two variables or not. The number of red marbles (r) is more than twice the number of yellow marbles (y)

• Linear Equation in Two Variables

• Linear Inequalities in Two Variables

Which is true about the graphical solution of inequalities in two variables?

• region of points

• sets of points

• sets of planes

• region of plane