Summative Test Quarter 2- Pasteur

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

• 4a-3b=5

• 7c+4<12

• 
  

  $3x\le16$

• $11\ +2t\ge3s$

What is graph of a linear inequality in two variables?

• Half-plane

• Parabola

• Straight line

• Half of a parabola

The difference between the scores of Wennie and Mickey in the test is not more than 6 points. Suppose Wennie’s score is 32 points, what could be the possible score of Mickey?

• 20

• 30

• 40

• 50

Which statement illustrates a linear inequality in two variables?

I. The tricycle has a maximum seating capacity of 6 persons

II. The expenses for food are greater than the expenses for clothing.

III. The number of apples more than thrice the number of oranges is greater than 25.

• I only

• I and II only

• II and III only

• I and III only

Five times the length of a ruler (r) increased by 2-inches is less than the height of Daniel (h), which mathematical statement represents the situation?

• 5r + 2 < h

• 5r + 2 > h

• $5r\ +\ 2\ \le h$
  

• $5r\ +\ 2\ge h$

Which among the inequalities represents this situation: A man travel a number of kilometers by car and 3 times as far by plane. He covered more than 2000 km.

• k + 3k > 2000

• k – 3k > 2000

• k + 3k < 2000

• k – 3k < 2000

Karen is buying Math 7 & 8 books for her not less than 3 children. Each Math 7 book costs P50.00 while Math 8 book costs P75.00. How many Math 7 & 8 Books can she buy if her money is not more than P200.00?

• 0 ≤ x ≤ 1 & 0 ≤ y ≤ 1

• 0 ≤ x ≤ 1 & 0 ≤ y ≤ 2

• 0 ≤ x ≤ 2 & 0 ≤ y ≤ 2

• 0 ≤ x ≤ 2 & 0 ≤ y ≤ 1

You are to buy boxes of fruits. Oranges cost P500.00 per box and grapes costs P1500.00 per box. You need to buy at least 10 boxes in all. What is the maximum number of boxes of oranges and grapes can you buy if you can only spend no more than P7,000.00?

• Oranges = 8 and grapes = 2

• Oranges = 9 and grapes = 1

• Oranges = 9 and grapes = 2

• Oranges = 10 and grapes = 1

Boy plans to spend at most P2,000 for shirts and pants. He bought 3 shirts at P 400 each. How much can he spend for pants?

• m < 800

• m > 800

• m ≤ 800

• m ≥ 800

Which statement is correctly describing the relation of the monthly electric current usage and the amount of the electric bill?

• electric current usage in a month is independent variable because it controls the amount of the electric bill

• electric current usage in a month is dependent variable because it depends on the amount of electric bill

• amount of electric bill is independent variable because it controls the electric current usage in a month

• amount of electric bill is dependent variable because it controls on the electric current usage in a month