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2 years ago

In which quadrants do the x-coordinates and the y-coordinates have the same sign?

1 answer:

6 0

In the First quadrants and the third quadrants have the same sign of the x-coordinates and the y-coordinates which is I (+; +), III (−; −).

According to the statement

we have to find that the in In which quadrants do the x-coordinates and the y-coordinates have the same sign.

For this purpose, firstly we know that the

Quadrants are The axes of a two-dimensional Cartesian system divide the plane into four infinite regions, called quadrants, each bounded by two half-axes. These are often numbered from 1st to 4th and denoted by Roman numerals.

And according to the Cartesian system, we know that the

First quadrants have a sign :

I (+; +),

And second quadrants have a sign:

II (−; +),

And third quadrants have a sign:

III (−; −),

and Fourth quadrants have a sign:

IV (+; −).

So, In the First quadrants and the third quadrants have the same sign of the x-coordinates and the y-coordinates which is I (+; +), III (−; −).

Learn more about Quadrants here

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Sketch the figure: Two different isosceles triangles with perimeter 4a + b

Nikitich [7]

The two triangles with the given perimeter is attached .

Perimeter is the sum of all sides.

For the first triangle , sies are 2a,2a and b.

So the perimeter is

$Perimeter = 2a+2a+b
\\
Perimeter = 4a+b$

For the second triangle, sides are a,a, and 2a+b. Therefore perimeter is

$Perimeter = a+ a + 2a+b
\\
Perimeter = 4a+b$

So for both triangles, perimeter is

$4a+b$

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3 years ago

The coordinate grid shows points A through K. What point is a solution to the system of inequalities? y > −2x + 10 y > 1 o

jarptica [38.1K]

Point B is a solution to the system of inequalities

<h3>Further explanation </h3>

Straight-line equations are mathematical equations that are described in the plane of cartesian coordinates

General formula

$\large{\boxed{\bold{y-y_1=m(x-x_1)}}$

y = mx + c

Where

m = straight-line gradient which is the slope of the line

x1, y1 = the Cartesian coordinate that is crossed by the line

c = constant

The formula for a gradient (m) between 2 points

$\large{\boxed{\bold{m=\dfrac{y_2-y_1}{x_2-x_1}}}$

If the intersection of the x-axis (b, 0) and the y-axis (0, a) then the equation of the line:

ax + by = c

It says inequality if there are symbol forms like <, >, ≤ or ≥

Whereas linear inequality can have forms:

ax + by> c, ax + by ≥ c , ax + by <c , ax + by ≤ c

In graphical form, line inequality can be

• dashed line because y does not include equals to

• a solid line because y includes equal to

For line inequality (positive coefficient y)

ax + by ≥ c then the solution is shaded upwards

ax + by ≤ c then the solution is shaded down

(Picture attached)

The line :

$\displaystyle y>-2x+10$

intersect x-axis at point : 5,0

Intersect y-axis at point : 0,10

And the solution is shaded upwards

$\displaystyle y=\frac{1}{2}x-2$

intersect x-axis at point : 4,0

Intersect y-axis at point : 0,-2

And the solution is shaded upwards

And the point located in the shaded plane of the two inequality is point B and I

<h3>Learn more</h3>

Linear inequality represented by the graph

brainly.com/question/9909671

Keywords: linear inequality,graph

#LearnWithBrainly

6 0

3 years ago

Pls help me out and pls explain

LenKa [72]

Answer:

It is a function

Step-by-step explanation:

The x has only one y and that makes it a function

5 0

3 years ago

Which number is greatest?

user100 [1]

Answer:

$6.23 \times 10 {}^{12}$

Step-by-step explanation:

$6 .23\times 10 {}^{12}$

$6.23 \times 1000000000000 \\ 6230000000000$

7 0

3 years ago

Read 2 more answers

Which one does not belong?

avanturin [10]

Answer:

last one - 4/-2

Step-by-step explanation:

two minus(-) becomes a plus(+)

8 0

3 years ago