What are the dimensions of a matrix with 3 rows and 1 column?
Math ACC/7th Grade Review

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Mathematics
•
6th - 8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
3x1
2.
FLASHCARD QUESTION
Front
If Chuck's phone bill is $18 and the flat fee is $12, how many minutes did he talk if each minute costs $0.05?
Back
120 minutes
3.
FLASHCARD QUESTION
Front
What is the result of multiplying the following matrix: 20, 15, -10; 30, -5, 0?
Back
-20, 15, -10; 30, -5, 0
4.
FLASHCARD QUESTION
Front
Solve for x: -2x + 35 = 5(-5 - 7x) - 6
Back
x = -2
5.
FLASHCARD QUESTION
Front
If a designer has 3 identical rectangles with a total length of 17 feet and each rectangle is initially 5 feet long, what equation represents the increase in length?
Back
3(x + 5) = 17
6.
FLASHCARD QUESTION
Front
What is the definition of a matrix in mathematics?
Back
A matrix is a rectangular array of numbers arranged in rows and columns.
7.
FLASHCARD QUESTION
Front
What does it mean to solve an equation?
Back
To find the value of the variable that makes the equation true.
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