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Goryan [66]
2 years ago
6

100 points.

Mathematics
1 answer:
7nadin3 [17]2 years ago
6 0

Answer:

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed).

Step-by-step explanation:

hope this helps if does mark brainllest

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What is the equation of the line that passes through (0, -2) and has a slope of O?
Dmitriy789 [7]

Answer:

The equation of the line that passes through (0, -2) and has a slope of 0 is \mathbf{y=-2}

Step-by-step explanation:

We need to find the equation of the line that passes through (0, -2) and has a slope of 0?

The equation of line can be expressed in slope-intercept form y=mx+b where

  • m is slope
  • b is y-intercept

We need to find slope and y-intercept for the equation.

We are given slope = 0 so, m = 0

Now, y-intercept can be found using slope m=0 and point (0,-2)

y=mx+b\\-2=0(0)+b\\-2=b\\or\\b=-2

So, we get y-intercept: b = -2

Now, the equation of the line having slope m=0 and y-intercept b=-2 is:

y=mx+b\\y=0(x)-2\\y=-2

So, the equation of the line that passes through (0, -2) and has a slope of 0 is \mathbf{y=-2}

5 0
3 years ago
Marlena solved the equation 2x + 5 = 10 - x. her steps are shown
Gnesinka [82]

Step-by-step explanation:

First you need to get x on one side by subtracting it from either side

Second step the side you subtracted the x to you need to get rid of the number like the number 5

Third step you need to separate the number and x since they are being multiplied to be put together you need to do the opposite and divide on both sides

3 0
3 years ago
What is the value of the following expression if x 22: "five times a number<br> decreased by 2"?
Mila [183]

Answer:

108

Step-by-step explanation:

five times a number x decreased by 2 can be expressed as by 5x- 2

4 0
2 years ago
Simplify (3x^2y)(-5x^3y^2)
Likurg_2 [28]

Answer:

=−15x5y3

Step-by-step explanation:

3x2y((−5x3)(y2))

5 0
3 years ago
Read 2 more answers
The coordinates of the vertices of △JKL are J(3, 4), K(3, 1) , and L(1, 1) . The coordinates of the vertices of △J′K′L′ are J′(−
timurjin [86]

The <em><u>correct answer</u></em> is:

A 180° rotation followed by a translation 1 unit down.

Explanation:

The points are mapped as follows:

J(3, 4)→J'(-3, -5)

K(3, 1)→K'(-3, -2)

L(1, 1)→L'(-1, -2)

A 180° rotation maps a point (x, y) to (-x, -y).  This would map

J(3, 4)→(-3, -4)

K(3, 1)→(-3, -1)

L(1, 1)→(-1, -1)

The difference between these points and the image points are that each y-coordinate of the image is 1 lower than these.  This means a translation 1 unit down would result in the image points.

7 0
3 years ago
Read 2 more answers
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