Adding and Subtracting Matrices Answers

Find the sum of the two matrices: 5 2 3 0 + 4 1 6 7 = a b c d a = b = c = d =

b =

c =

Find the sum of the two matrices: 5 2 3 0 + 4 1 6 7 = a b c d a = b = c = d =

⇒ 11

⇒ 5

d =

⇒ 12

Perform matrix subtraction to find the values of a, b, c, and d. 5 2 3 0 − 4 1 6 7 = a b c d a = b = c = d =

b =

c =

d =

Perform matrix subtraction to find the values of a, b, c, and d. 5 2 3 0 − 4 1 6 7 = a b c d a = b = c = d =

⇒ 5

x = y = z =

(3, –4), (3, –1), (5, –4)✔ (–4, 3), (–1, 3), (–4, 5)(4, 3), (7, 3), (–4, –1)(3, 4), (3, 7), (–1, –4)

3 units right3 units leftX 4 units right✔ 4 units left

✔ 3 units up3 units down4 units up4 units down

Associative property✔ Commutative propertyInverse propertyIdentity property

Which property of addition is illustrated by each of the following examples?