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kirill [66]
2 years ago
5

In the figure shown below, point D is the midpoint​

Mathematics
1 answer:
adelina 88 [10]2 years ago
6 0

Answer:

8

Step-by-step explanation:

by using 3x+2=6x-4 you can find that x=2. then plug it back in to find d=8

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4

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Determine the intercepts of the line.
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Answer:

y-intercept: (0,5)

x-intercept: (5/2,0)

Step-by-step explanation:

-4x+7=2y-3

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2 years ago
Identify the x- and y-intercepts 10x + 4y = -20
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Answer:

x-intercept: -2

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Step-by-step explanation:

4 0
3 years ago
I need the formula can you please help me
Ahat [919]
Multiply the diagonals together and then divide by two

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!!! PLEASE HELP FAST !! <br><br> please help me with one a two :)
yan [13]

Answer:

<h3>Question 1</h3>

<u>Function given:</u>

  • y = x² + 4x - 4

<u>In the vertex form:</u>

  • y = x² + 4x + 4 - 8 = (x + 2)² - 8

Axis of symmetry is the vertical line passing through the vertex.

<u>The vertex is</u>

  • (-2,-8)

<u>Axis of symmetry is </u>

  • x = -2

<u>y- intercept is </u>

  • x = 0 ⇒ y = -4, so the point (0, -4)

<u>Two other points are</u>

  • x = 1 ⇒ y = (1 + 2)² - 8 = 9 - 8 = 1, the point is (1, 1)
  • x = -1 ⇒ y = (-1 + 2)² - 8 = 1 - 8 = -7, the point is (-1, -7)

<em>See the graph with all the points plotted</em>

<h3>Question 2</h3>

<u>Function given:</u>

  • y + 2x² - 4x - 6 = 0

<u>In standard form:</u>

  • y = -2x² + 4x + 6

<u>In vertex form:</u>

  • y = - 2x² + 4x - 2 + 8 = -2(x - 1)² + 8

<u>The vertex:</u>

  • (1, 8)

<u>Axis of symmetry is </u>

  • x = 1

<u>y - intercept </u>

  • x = 0 ⇒ y = -2(-1)² + 8 = -2 + 8 = 6, the point is (0, 6)

<u>Two other pints:</u>

  • x = -1 ⇒ y = -2(-1 - 1)² + 8 = -8 + 8 = 0, the point is (-1, 0)
  • x = 2 ⇒ y = -2(2 - 1)² + 8 = -2 + 8 = 6, the point is (2, 6)

<em>The graph is attached with the points plotted.</em>

3 0
2 years ago
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