Free Printable G7Q2 CU 2: Addition and Subtraction of Polynomials

1.

$2a^2-3a^2+7a^2-5a^2\ =$

a)

$a^2$

b)

$-a^2$

c)

$3a^2$

d)

$17a^2$

2.

$14m-3n–5m+13n\ =$

a)

35mn

b)

19mn

c)

9m + 10n

d)

19m + 16n

3.

$4a^2b\ -\ 8ab^2\ +\ 2a^2b\ +\ 5ab^2\ =$

a)

$3a^2b\ -\ 6ab^2$

b)

$3a^2b\ +\ 6ab^2$

c)

$6a^2b\ -\ 3ab^2$

d)

$6a^2b\ +\ 3ab^2$

4.

$(2r-10p)+(r+7p)\ =$

a)

r + 17p

b)

3r - 3p

c)

3r + 3p

d)

r - 3p

5.

$(x–8y–7z)\ –\ (2x–6y–4z)\ =$

a)

-x - 14y - 11z

b)

-x - 2y - 3z

c)

3x - 2y - 3z

d)

x + 2y + 3z

6.

$(3x^2-x)-(-4x^3+x^2-8)\ =$

a)

$-4x^3\ -\ 2x^2\ -x\ +\ 8$

b)

$4x^3\ +\ 2x^2\ -x\ +\ 8$

c)

$4x^3\ -\ 2x^2\ -8x$

d)

$4x^3\ -\ 2x^2\ -x\ +\ 8$

7.

(pq – 2rs + 2pr) – (2pq + rs – pr) =

a)

pq - 3rs + 3pr

b)

- pq - 3rs + 3pr

c)

3pq - rs + pr

d)

3pq - 2rs + pr

8.

Sonia bought 8 pens at x pesos each and 24 notebooks at y pesos each. If her mother gave her Php (15x + 35y), how much of her money is left?

a)

-7x - 11y

b)

7x + 11y

c)

23x + 59y

d)

23x - 59y

9.

Sonia's mother gave her Php (15x + 35y) to buy 8 pens at x pesos each and 24 notebooks at y pesos each. Which among the algebraic expressions below represents the amount of money left for Sonia?

a)

(15x + 35y) - (8x + 24y) =

b)

(15x + 35y) + (8x + 24y) =

c)

(8x + 24y) - (15x + 35y) =

d)

(8x + 24y) + (15x + 35y) =

10.

Three sides of a triangle measure (3x-5y), (5x+8y), and (2x-y). What is the perimeter of the triangle?

a)

-10x - 2y

b)

-10x + 2y

c)

10x + 2y

d)

10x - 2y

G7Q2 CU 2: Addition and Subtraction of Polynomials

Total questions: 10

Worksheet time: 30mins

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