Question

The matrix shows the number of different basketball shots three players made in two minutes. These players want to double these results.

Which matrix shows what the players want to do?

2−pt 3−ptJaviVictorChris⎡⎣⎢534 1 2 2⎤⎦⎥

Responses

⎡⎣⎢756344⎤⎦⎥

Matrix with 3 rows and 2 columns. Row 1 column 1 entry is 7. Row 1 column 2 entry is 3. Row 2 column 1 entry is 5. Row 2 column 2 entry is 4. Row 3 column 1 entry is 6. Row 3 column 2 entry is 4.

⎡⎣⎢1068244⎤⎦⎥

Matrix with 3 rows and 2 columns. Row 1 column 1 entry is 10. Row 1 column 2 entry is 2. Row 2 column 1 entry is 6. Row 2 column 2 entry is 4. Row 3 column 1 entry is 8. Row 3 column 2 entry is 4.

⎡⎣⎢1068122⎤⎦⎥

Matrix with 3 rows and 2 columns. Row 1 column 1 entry is 10. Row 1 column 2 entry is 1. Row 2 column 1 entry is 6. Row 2 column 2 entry is 2. Row 3 column 1 entry is 8. Row 3 column 2 entry is 2.

⎡⎣⎢1034122⎤⎦⎥

Matrix with 3 rows and 2 columns. Row 1 column 1 entry is 10. Row 1 column 2 entry is 1. Row 2 column 1 entry is 3. Row 2 column 2 entry is 2. Row 3 column 1 entry is 4. Row 3 column 2 entry is 2.

Answer 1

The correct choice is the second matrix:
[ [10, 2],
[6, 4],
[8, 4] ]

Each player's 2-pt and 3-pt totals were doubled: (5,1)->(10,2), (3,2)->(6,4), (4,2)->(8,4).