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3 years ago

When the point (-3,2) is reflected across the y-axis, what are the coordinates of the resulting point?

Mathematics

2 answers:

Elanso [62]3 years ago

8 0

The new point would be at (3,2)

ladessa [460]3 years ago

7 0

The answer is (3,2). The rule for reflecting points across the y-axis, is that the y-axis remains the same, and x-axis changes. You will see in the attachment I made, how it reflects.

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Is there a commutative property of subtraction that states a-b=b-a? investigate and make a conclusion that you justify.

Rom4ik [11]

No is your answer

Assuming that b ≠ a, the answers will not be the same.

For example, (remembering that b ≠ a) let us assume that b = 10, a = 5

10 - 5 = 5

5 - 10 = -5

5 ≠ -5

So the commutative property of subtraction does not work unless in certain cases, in which a = b.

hope this helps

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3 years ago

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Delvig [45]

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3 years ago

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Rashid [163]

Answer:

Step-by-step explanation:

so my school uses the method called kcf (keep change flip)

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2 years ago

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Mademuasel [1]

(p>64) divided by 4 is less than or equal to w

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3 years ago

The points ????(0,0), ????(−4,1), ????(−3,5), and ????(1,4) are the vertices of parallelogram OABC Is this parallelogram a

gavmur [86]

Answer:

Yes, parallelogram OABC is a rectangle.

Step-by-step explanation:

The vertices of a parallelogram are O(0,0), A(-4,1), B(-3,5) and C(1,4).

A parallelogram is a rectangle if its any two adjacent sides are perpendicular to each other.

product of slopes of two perpendicular lines is -1.

Formula for slope is

$Slope=\dfrac{y_2-y_1}{x_2-x_1}$

Using the formula we get

$m_{OA}=\dfrac{1-0}{-4-0}=-\dfrac{1}{4}$

$m_{AB}=\dfrac{5-1}{-3-(-4)}=-\dfrac{4}{1}=4$

$m_{OA}\times m_{AB}=-\dfrac{1}{4}\times 4=-1$

It means OA is perpendicular to AB.

Since two adjacent sides are perpendicular, therefore the given parallelogram OABC is a rectangle.

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3 years ago