Math periodic

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

• 2x > 5

• 2x + 3 (1 - 5y) = 3x + 2

• 2x - y ≥ 10

• 2(x - 3y) = 6

Andie goes to buy a hopia at Tipas Ribonettes for her friends. She has Php 200 pocket money, and she's looking to buy ube hopia for Php 35 per box and chocolate hopia for Php 45 per box. If Amarys buys 3 ube hopia, what is the maximum number of chocolate hopia she can buy?

• 2

• 3

• 4

• 5

Czarina has some Php 10 and Php 5 coins. The total amount of these coins is at most Php 750. Suppose there are 50 Php 5-coins. Which of the following is true about the number of Php 10-coins?

I. The number of Php 10-coins is less than the number of Php 5-coins

II. The number of Php 10-coins is more than the number of Php 5-coins

III. The number of Php 10-coins is equal to the number of Php 5-coins

• I and II

• I and III

• II and III

• I, II and III

Alkheya bought five carrots and three potatoes. The total amount she paid was almost Php 160. If x represents the cost of each carrot and y the cost of each potato, which of the following mathematical statements represent the given situation?

• 5x + 3y ≥ 160

• 5x + 3y ≤ 160

• 5x + 3y < 160

• 5x + 3y > 160

The difference between the scores of Allyssa and Kzenia on the test is not more than 6 points. Suppose Alyssa's score is 32 points, what could possibly be the score of Kzenia?

• 4

• 20

• 25

• 30

Which of the following ordered pairs is one of the solutions for 2x + 7y > 5 and 3x - 7y ≤ 2?

• (-10, -8)

• (-10, -2)

• (10, 5)

• (10, -1)

What inequality is represented by the graph at the right?

• y > -x + 1

• y ≥ -x + 1

• y < -x + 1

• y ≤ -x + 1

Which point is a solution of the inequality y ≤ 2x + 5?

• (-3, 1)

• (1,9)

• ( 2, 0)

• (0, 6)