Dot Product and Work

Question 1

c11 = c31 = c22 =

Revolt · Accepted Answer

Part 1: 8; Part 2: 20; Part 3: 14

Question 2

This subtraction represents a translation of the given triangle and .

Revolt · Accepted Answer

2 units left; Selection 1: 2 units right; Selection 2: 4 units down

Question 3

2 units up2 units downX 4 units up✔ 4 units down

Revolt · Accepted Answer

4 units up

Question 4

Which of the following matrix operations would give DeVron a matrix containing data about non-free throw points scored by each player?

Revolt · Accepted Answer

A + B

Question 5

d11 = ⇒ 0 d12 = ⇒ -2 d13 = ⇒ 4 d21 = ⇒ -4 d22 = ⇒ 2 d23 = ⇒ 0

Revolt · Accepted Answer

⇒ 0: -5; ⇒ -2: -4; ⇒ 4: -1; ⇒ -4: 8; ⇒ 2: 9; ⇒ 0: 6

Question 6

A + (B + C) = (A + B) + C property A + B = B + A property A + (−A) = 0 ⇒ inverse property A + 0 = A ⇒ identity property

Revolt · Accepted Answer

Part 1: associative; Part 2: commutative; ⇒ inverse: additive inverse; ⇒ identity: additive identity

Question 7

a11 = ⇒ -11 a12 = ⇒ -16 a13 = ⇒ 6 a14 = ⇒ -10

Revolt · Accepted Answer

⇒ -11: -4; ⇒ -16: 1; ⇒ 6: 9; ⇒ -10: 6

Question 8

Question 14

Revolt · Accepted Answer

The matrix equation has no solution because the matrices on each side of the equals sign are different sizes. The matrix on the left is a 2x2 matrix, while the zero matrix on the right is a 1x4 matrix. Addition and equality are only defined for matrices of the same dimensions.

Question 9

x = y =

Revolt · Accepted Answer

0, 6; Selection 1: 6, -6; Selection 2: 10

Question 10

Which matrix addition represents the geometric transformation of the given polygon 4 units up and 2 units left?

Revolt · Accepted Answer

Answer image: https://r03.core.learn.edgenuity.com//media.edgenuity.com/EVresources/3111-06-51-20-08-task/mc001-1.jpg

Dot Product and Work Answers

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