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2 years ago

Write the name of a shape that when reflected in the x-axis , will remain identical

Mathematics

2 answers:

olga55 [171]2 years ago

8 0

A circle is one shape that can be reflected
Hope this helps :)

abruzzese [7]2 years ago

5 0

A Reflection is a transformation that does not change the shape or size of any object. It creates a mirror image of the same object at equal distance on the opposite side of line of reflection.

We can list regular objects like Equilateral Triangles, Squares, Regular Pentagon, Regular Hexagon, Regular Octagon, Regular Decagon, and Circles etc.

All these regular objects remain identical after reflection across x-axis.

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How many real solutions exist for this system of equations?

Rom4ik [11]

Answer:

One

Step-by-step explanation:

Set each equations equal to each other

${x}^{2} + 4 = 4x$

${x}^{2} - 4x + 4$

Find the discrimant.

${ - 4 {}^{2} - 4(1)(4) } = 0$

This means there is one real solution. Since the discramnt equal 0.

7 0

2 years ago

What is the answer?

g100num [7]

I'll tell you the answer but should I graph it, solve for x, solve for y, or what should I solve for?

3 0

2 years ago

Please help! Thanks in advance.

alukav5142 [94]

In this problem, we need to plug in the given x values for $f(x)=0$ and find a and b.

When we plug in 1, we get: $2 \times {1}^{4} - 5 \times {1}^{3} - 14 \times {1}^{2} + a \times 1 + b = 0$

Simplify:
$2 - 5 - 14 + a + b = 0$
$- 17 + a + b = 0$
$a + b = 17$

We got our first statement about the values of the variables. If we find one more we can find those 2 variables.

We have another given root: 4.

Plug it in:
$2 \times {4}^{4} - 5 \times {4}^{3} - 14 \times {4}^{2} + a \times 4 + b = 0$
$512 - 320 - 224 + 4a + b = 0$
$- 32 + 4a + b = 0$
$4a + b = 32$

Now we have our second one. We can combine them:
$a + b = 17 \\ 4a + b = 32$

I use elimination method which is easier here.

Multiply the top equation by -1: $- a - b = - 17 \\ 4a + b = 32$

Add them up:
$3a = 15$

Simplify:
$a = 5$

Now we have a, we can plug in one of those equations to find b:
$5 + b = 17$
$b = 17 - 5$
$b = 12$

So, the answers are $a=5$ and $b=12$ .

6 0

3 years ago

There are 8 green apple and 7 red apples in a basket. what is the ratio of all apple in the basket to red apples

Pavlova-9 [17]

The ratio of apples in the basket it 8:7

8 0

3 years ago

Read 2 more answers

Whats A and B <br> How do i solve this ?

Aleonysh [2.5K]

Answer:

$\begin{pmatrix}-2\\-4\end{pmatrix}$

Step-by-step explanation:

The question is, how many x and y steps do I have to move the P picture to get it in the Q position. The answer is 2 to the left, so -2, and 4 down, so -4.

4 0

3 years ago