Tara is using matrix multiplication to find image points of a translation. She is translating the image 2 units left and 4 units up. Which should be her first matrix?
1 answer:
Assuming that this is just on a 2-D coordinate plane, we must convert the expressions on to a 3-D plane since translation cannot be done on a 2-D plane. This is done by adding a dummy coordinate that does not change. Let us use "1" for this case. Matrix: | 0 0 -2 |(x) = (x - 2) <span>| 0 0 4 |(y) = (y + 4) </span><span>| 0 0 1 |(1) = 1</span>
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Answer:
Rajan gets 6 marks more
Step-by-step explanation:
Neerav's marks are (15)(4) +(5)(-2) = 60 -10 = 50 .
Rajan's marks are (14)(4) = 56 .
Rajan gets 6 more marks than Neerav .
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Answer:
slope = 40
Step-by-step explanation:
Calculate the slope m using the slope formula
m =
with (x₁, y₁ ) = (2, 80) and (x₂, y₂ ) = (4, 160) ← 2 points on the line
m = = = = 40
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