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4 years ago

Hey if anyone could explain this to me that would be awesome

Mathematics

2 answers:

Ne4ueva [31]4 years ago

6 0

The answer to this question is (1,-4). An ordered pair is of the form (x,y), where x is the input into the equation and y is the output. It is asking you what is the value of y, which you can find using the given equation.

krok68 [10]4 years ago

3 0

3 times 1 is 3. Take 3 minus 7 equals -4.

The answer is (1 , -4)

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What is the solution to the system of equations? {x+y=7x=y+3

abruzzese [7]

<h3>Answer:</h3>

x=5, y=2

<h3>Explanation:</h3>

The second equation gives an expression for x that can be substituted into the first equation.

... (y+3) +y = 7 . . . . . .substitute y+3 for x

... 2y + 3 = 7 . . . . . . . colect terms

... 2y = 4 . . . . . . . . . . subtract 3 from both sides

... y = 2 . . . . . . . . . . . . divide both sides by 2

Using the expression for x, we can find its value.

... x = y + 3

... x = 2 + 3 . . . . . . . . . substitute for y

... x = 5

The solution is (x, y) = (5, 2).

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4 years ago

Point A (6,2) is translated using the vector <-5,2>. Where is the new point located?

Dominik [7]

<h3>Answer: (1,4)</h3>

======================================================

Explanation:

The notation <-5,2> is the same as writing the translation rule $(x,y) \to (x-5,y+2)$

It says: move 5 units to the left and 2 units up

The point (6,2) moves to (1,2) when moving five units to the left. Then it ultimately arrives at (1, 4) after moving 2 units up. You could move 2 units up first and then 5 units to the left later on, and you'd still arrive at (1, 4). In this case, the order doesn't matter (some combinations of transformations this won't be the case and order will matter).

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Or you could write out the steps like so

$(x,y) \to (x-5, y+2)\\\\(6,2) \to (6-5, 2+2)\\\\(6,2) \to (1, 4)\\\\$

We see that (6,2) moves to (1, 4)

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<span>C.) f(x), g(x),j(x),h(x)
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3 years ago

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