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ratelena [41]
2 years ago
7

Rewrite the equation by completing the square. x^2+ 4x = 0

Mathematics
2 answers:
ExtremeBDS [4]2 years ago
3 0

Answer:

Here you go

Step-by-step explanation:

x=0,-4

Elden [556K]2 years ago
3 0

Answer:

2 and 4

(i got it from khan)

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Help me with this problem and show work please
Elanso [62]
Multilpy -2 on both sides of the < sign this will get u 1x < 24 in other words x < 24
7 0
3 years ago
I need help and it’s due today
olga nikolaevna [1]

Answer: same bruh

Step-by-step explanation:

7 0
3 years ago
Find the coordinates of the vertices of each figure after a reflection over the given axis.
pochemuha

The coordinates of the vertices after the reflection over the x-axis are A' (2, -3) B' (4, 5) and C' (-1, -2)

Given,

A triangle ABC with vertices A(2,3) , B(4,-5), and C(-1,2)

To find the coordinates of the vertices of each figure after a reflection over the given axis.

Now, According to the question:

We should know that:

You should know that you can predict changes in coordinates after translations without a graph or anything like that.

(x, y) reflected over the x axis = (x, -y)

(x, y) reflected over the y axis = (-x, y)

(x, y) rotated 90 degrees around the origin = (y, -x)

(x, y) rotated 180 degrees around the origin = (-x, -y)

(x, y) rotated 270 degrees around the origin = (-x, y)

So here's our set of points.

A(2,3) , B(4,-5), and C(-1,2)

Here's those points reflected over the x axis.

A' (2, -3) B' (4, 5) and C' (-1, -2)

Hence, The coordinates of the vertices after the reflection over the x-axis are A' (2, -3) B' (4, 5) and C' (-1, -2)

Learn more about Reflection x - axis at:

brainly.com/question/15175017

#SPJ1

4 0
1 year ago
1. A cone is 8cm high and has a base diameter of 12cm.its slant height is a.6cm b.8cm c.10cm d.12cm
Anit [1.1K]

Answer:

10

Step-by-step explanation:

it is Pythagoras theorem

6*6=36

8*8=64

64+36=100

square root of 100 is 10

4 0
3 years ago
Please help 50 points wrong answers will be reported
AURORKA [14]

Answer:

A. y=2\sqrt{x+4}+5 is a translation of the parent function y=2\sqrt{x} 4 units left and 5 units up

Step-by-step explanation:

Consider expression \sqrt{4x+16}:

\sqrt{4x+16}=\sqrt{4\cdot (x+4)}=\sqrt{4}\cdot \sqrt{x+4}=2\sqrt{x+4}

Hence, the function is

y=2\sqrt{x+4}+5

Consider the parent function y=2\sqrt{x}

The main translations:

  • y=2\sqrt{x-a} - a units to the right;
  • y=2\sqrt{x+a} - a units to the left;
  • y=2\sqrt{x}+b - b units up;
  • y=2\sqrt{x}-b - b units down.

Hence, y=2\sqrt{x+4}+5 is a translation of the parent function y=2\sqrt{x} 4 units left and 5 units up

6 0
2 years ago
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