We Distribute, Yet Things Multiply Class 8 Fill in the blanks

We Distribute, Yet Things Multiply Class 8 Fill in the blanks

We Distribute, Yet Things Multiply Class 8 Fill in the blanks

Question 1.

x(y + z) = x × _______ + x × _________.

Answer:

y, z

Question 2.

(p² - q²) (2p + q) = p² × (2p + q) - q² × ( ____ + ______ )

Answer:

2p, q

Question 3.

a² - 2ab + b² = (a - b) ___________ .

Answer:

2, 4

Question 4.

(x + y) (x² - xy + y²) = _______ x³ + ________.

Answer:

y³

Question 5.

(2x + 3y) (2x - 3y) = _______ x² - 9 ___________ .

Answer:

4, y²

We Distribute, Yet Things Multiply Class 8 True or False

Question 1.

(a + b)² = a² + b².

Answer:

False

Question 2.

(a + b) (a - b) = a² - b².

Answer:

True

Question 3.

(a + m)(b + n) = ab + am + nb + mn

Answer:

False

Question 4.

(x + 3) (x + 7) = x² + 10x + 21

Answer:

True

Question 5.

(x + 3) (y + 2) = xy + 3x + 2y + 6.

Answer:

False

We Distribute, Yet Things Multiply Class 8 Match the Following

Match the Column I with Column II.

Answer:

(i) - (d)

(ii) - (e)

(iii) - (a)

(iv) - (c)

(v) - (b).