ACTIVITY IN MATH 8 Q1 ON Factoring of Polynomials

George bought facemasks worth (24x + 40y) pesos. If he buys (3x + 5y) pieces of facemasks, how much is the cost of each?

• 4 pesos

• 6 pesos

• 8 pesos

• 10 pesos

Valery bought hand sanitizers worth (60x + 45y) pesos. If she buys 15 bottles of hand sanitizers, how much is the cost of each?

• (3x + 4y) pesos

• (3x – 4y) pesos

• (4x + 3y) pesos

• (4x – 3y) pesos

The area of a rectangular tile is (12m²n + 24mn² + 3mn) cm². If the width is (3mn) cm, what is its length?

• (4m + 4n + 1) cm

• (4m + 4n + 3) cm

• (4m + 8n + 3) cm

• (4m + 8n + 1) cm

The area of a rectangular carpet is (16x² – 25y²) in². If the width of the carpet is (4x + 5y) in, what is its length?

• (4x + 5y) in

• (4x – 5y) in

• (4x² – 5y²) in

• (4x² + 5y²) in

The product of two numbers is (9y² – 1). If one of the numbers is (3y + 1), what is the other number?

• (3x + 1)

• (3x – 1)

• (3y + 1)

• (3y – 1)

Mark earns (x² – 25) pesos for working (x - 5) hours. How much does he earn per hour?

• (x – 10) pesos

• (x + 10) pesos

• (x – 5) pesos

• (x + 5) pesos

Averyl Ann is making a flower area in her back yard. The flower area will be rectangular and have an area of (x³ – 8y³) ft². If the length of the pen is (x – 2y) ft, what is its width?

• (x² + 2xy + 4y²) ft

• (x² –2xy + 4y²) ft

• (x² + 4xy + 4y²) ft

• (x² + 6xy + 9y²) ft

An air conditioner uses (27a³ + 1) kwh of electricity for (9a² – 3a + 1) hours. How many kilowatt were consumed per hour?

• (3a + 1) kwh

• (3a – 1) kwh

• (9a + 1) kwh

• (9a – 1) kwh

In XYZ Bookstore, a customer pays (64x³ + 27y³) pesos for (4x + 3y) pieces of whiteboard marker. How much does each marker cost?

• (4x² + 24xy + 9y²) pesos

• (4x² – 24xy + 9y²) pesos

• (16x² – 12xy + 9y²) pesos

• (16x² + 12xy + 9y²) pesos

The area of a square towel is (9p² – 42pt + 49t²) cm². If you want to put a lace on one side of the towel, how long is the lace?

• (3p – 7t) cm

• 3p + 7t) cm

• (5p – 3t) cm

• (5p + 3t) cm