Opening Exercise a. Write the products in column 2. Products Factors 1.1 or 12 2-2 or 22 3-3 or 32 4-4 or 5.5 or 6.6 or 7.7 or 8.8 or 9.9 or 10 10 or 11-11 or 12-12 or 13 13 or 14-14 or 15 15 or What is another name for the products in Column 2? Now let's look at variables: Factors Products

Q: 3.5(0.3x-1.5y)-4(0.2x-1.2y)

A: According to question,Given expression,3.50.3x - 1.5y-40.2x-1.2y

Q: -5 • -1/7 • 4/8

A: Refer to the we have to find the product of the -5 • -1/7 • 4/8

Q: 4x 3x + 4 5x

A: In a parallelogram diagonals bisect each other.

Q: Divide. 1dy 6y 3y- 1 2y

A:

Q: Subtract. 4 1/3- 3 4/9

A: First, we convert the mixed fractions into improper fractions

Q: Compute the indicated product. -1 2 6 [48][9] 40 3

A: Let,    and Since A is a 2 by 2 Matrix and B is a 2 by 1 Matrix, then the product of AB is possible.

Q: Multiply. 3 x-4 3 3 2 X+4

A:

Q: 6. -8 3s+5 1. %3D

A:

Q: Find B- A. 79 A = - 9 B%3= 6. 2 4 9. 2.

A:

Q: 4. w/- 4. 2.

A: Given:

Q: 5 1/6 - 2 1/3

A: Given that 5 1/6 - 2 1/3

Q: Multiply. 5/ x-4 5. 7 6 X+1

A:

Q: (24) Half the product of a number t and 48

A: The objective is to half the product of a number t and 48.

Q: Simplify. -16 6. 36 4 i 2 3 -4 4

A: