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3 years ago

What transformation preserves orientation but not size

Mathematics

2 answers:

Ket [755]3 years ago

7 0

Answer:Reflection

Step-by-step explanation:

reflection does not preserve orientation

wel3 years ago

6 0

Reflection preserves orientation and not size

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3<br> x. 3x²+x-3=0<br> Find the zeros

Tanya [424]

Answer:

The zeroes of this polynomial are $x_{1} \approx 0.847$ and $x_{2} \approx -1.180$ .

Step-by-step explanation:

Let $3\cdot x^{2}+x - 3 = 0$ , the quickest and most efficient approach to find the zeroes of this second order polynomial is by Quadratic Formula. For all $a\cdot x^{2}+b\cdot x + c = 0$ , roots are determined by:

$x_{1,2} = \frac{-b\pm \sqrt{b^{2}-4\cdot a\cdot c}}{2\cdot a}$ (1)

Where $a$ , $b$ , $c$ are coefficients of the polynomial.

If we know that $a = 3$ , $b = 1$ and $c = -3$ , then roots of the polynomial are, respectively:

$x_{1,2} = \frac{-1\pm\sqrt{1^{2}-4\cdot (3)\cdot (-3)}}{2\cdot (3)}$

$x_{1,2} =\frac{-1\pm \sqrt{37}}{6}$

The zeroes of this polynomial are $x_{1} \approx 0.847$ and $x_{2} \approx -1.180$ .

3 0

2 years ago

Question in photo 1, answer choices in photo 2. thanks.

Zinaida [17]

The correct answer for the question shown in the figure attached is the third option, which is shown below:
BC/YZ=6/3
You have that, by the SSS similarity theorem, two triangles are similar if they have corresponding sides with equal ratios, this means the following:
AB/XY=BC/YZ=AC/XZ
4/2=6/3=√52/√13
2=2=2

5 0

3 years ago

a parrallelogram is graphed on a coordinate plane so the two points are in the first quadrant and two points are in the third qu

Rasek [7]

A quadrilateral is said to be a parallelogram

1.Opposite sides are equal and parallel.

2. Diagonal bisect each other.

3. Opposite angles are equal.

It is given that , a Parrallelogram is graphed on a coordinate plane so the two points are in the first quadrant and two points are in the third quadrant.

Suppose ABCD is a Parallelogram.Then AB=CD and AD=BC.

Given, Vertices A,B lies in first Quadrant and Vertices C and D lies in Third Quadrant.Then Vertices of Parallelogram ABCD are

A=( x, y) and B=( y, x)

Then, C= (- x,- y) and D= (- y,- x), Arranged in Alphabetical order, that is A,B and C and D.

8 0

3 years ago

How do i pick any f to c in one day

Advocard [28]

Get an A+ on a test.

8 0

3 years ago

Let x be normally distributed with mean μ = 133 and standard deviation σ = 23. use table 1.

Svetlanka [38]

A) z value = (x - π) / <span>σ = 100 - 133 / 23 = -1.43
p(<= 100) = 0.0764

</span>

8 0

3 years ago