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kenny6666 [7]
4 years ago
14

Item 1 Evaluate 2xy when x=−14 and y=3 . explain your answer

Mathematics
2 answers:
meriva4 years ago
8 0

2xy

2(-14)(3)

-28*3

-84

juin [17]4 years ago
6 0

Answer:

-84

Step-by-step explanation:

We have been given an expression 2xy. We are asked to evaluate our given expression, when x=-14 and y=3.

Upon substituting x=-14 and y=3 in our given expression, we will get:

2(-14)(3)

6(-14)

-84

Therefore, the value of our expression at given values is -84.

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Step-by-step explanation:

So, let us first fill in the gap in the question below. Note that the capitalized words are the words to be filled in the gap and the ones in brackets too.

"An elementary ntimesn scaling matrix with k on the diagonal is the same as the ntimesn identity matrix with EXACTLY ONE of the (0's) replaced with some number k. This means it is TRIANGULAR MATRIX, and so its determinant is the PRODUCT of its diagonal entries.​ Thus, the determinant of an elementary scaling matrix with k on the diagonal is (1).

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3 years ago
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Step-by-step explanation:

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