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Yuri [45]
4 years ago
15

Can someone please help me with this math question

Mathematics
2 answers:
lora16 [44]4 years ago
8 0

Answer:

C'(4,4)

Step-by-step explanation:

The dilation of quadrilateral ABCD over the origin by a scale factor of 2 has the rule

(x,y)→(2x,2y)

So,

  • A(-3,-1)→A'(-6,-2)
  • B(-1,1)→B'(-2,2)
  • C(2,2)→C'(4,4)
  • D(3,-2)→D'(6,-4)

Hence, the coordinates of the image point C' are (4,4) (see attached diagram for details)

defon4 years ago
8 0

Answer:

The coordinates of C' = (4,4)

Step-by-step explanation:

The coordinates of C can be found by looking at the graph,

Coordinates of C = (2,2)

ABCD is dilated by a factor of 2 to get A'B'C'D'.

So, the coordinates of C' will be found by multiplying the coordinates of C by 2.

C' = (2*2,2*2)

C' = (4,4)

So, The coordinates of C' = (4,4)

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Answer:

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The solution of the system can be given as (5,-8).

Step-by-step explanation:

Given system of equations:

y=-x-3

5x+2y=9

To solve the given system of equations:

Solution:

We will use substitution to solve the given system.

We will substitute the y values in terms of x from the equation y=-x-3 into the other equation to solve for x

Substituting y=-x-3 into 5x+2y=9.

We have:

5x+2(-x-3)=9

<em>Using distribution.</em>

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<em>Combining like terms.</em>

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Dividing both sides by 3.

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∴ x=5

<em>Plugging in x=5 into y=-x-3.</em>

We have,

y=-5-3

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