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1 answer:
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Answer:
(b)
Step-by-step explanation:
A suitable calculator or spreadsheet can find the matrix product for you. Here, the answer choices differ in their upper left term, so we can determine the correct choice by finding the value of that term. It is the dot product of the first row of B and the first column of A.
(5)(3) +(7)(3) +(3)(2) = 15 +21 +6 = 42
This matches choice B.
Answer:
Step-by-step explanation:
Given points are
And given transformation is
We will start from left to right.
First transformation is reflection about x-axis.
When we reflect about x-axis
So,
Now next transformation is dilation with a factor 4.
If we do dilation with a factor to the point
New co-ordinates after dilation became
So,