Find the coordinates of the image of Z(−3,−1) after the translation (x,y)→(x−2,y−7).
1 answer:
<h3>Answer: (-5, -8)</h3>
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Explanation:
We get this point by doing two things.
- Subtract 2 from the x coordinate, due to the x-2
- Subtract 7 from the y coordinate, because of the y-7
If we started with x = -3, then x-2 = -3-2 = -5. Also, if we had y = -1 then y-7 = -1-7 = -8
So that's how we end up with Z(-3,-1) moving to Z ' (-5, -8)
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Answer:
1. In the multiplication of the imaginary parts, the student forgot to square of i. OR
2. The student has only multiplied the real parts and the imaginary parts.
Correct value .
Step-by-step explanation:
The given expression is
A student multiplies (4+5i) (3-2i) incorrectly and obtains 12-10i.
Student's mistake can be either 1 or second:
1. In the multiplication of the imaginary parts, the student forgot to square of i.
2. The student has only multiplied the real parts and the imaginary parts.
Which is not correct. The correct steps are shown below.
Using distributive property, we get
Therefore, the correct value of is
.