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Lynna [10]
3 years ago
6

3. Graph the function. xy + 25 = 0

Mathematics
1 answer:
Rudiy273 years ago
7 0

Answer:

look at the answer below

Step-by-step explanation:

this is xy + 25 = 0 if you wanted it. hope it helps

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What is the y- intercept of the function described in the table x: 1,2,3,4 y: 8,6,4,2
weeeeeb [17]

Answer:

The y-intercept of the function is: b=10

Step-by-step explanation:

Given the table

x                 y

1                 8

2                6

3                4

4                2

Taking any two points to find the slope

  • (1, 8)
  • (2, 6)

The slope between (1, 8) and (2, 6) is:

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(1,\:8\right),\:\left(x_2,\:y_2\right)=\left(2,\:6\right)

m=\frac{6-8}{2-1}

m=-2

We know that the slope-intercept form of the line equation is

y=mx+b

where m is the slope and b is the y-intercept.

Substituting m=-2 and any point i.e. (1, 8) in the slope-intercept form of the line equation to find the y-intercept (b).

y=mx+b

8 = -2(1) + b

8 = -2 + b

b = 8+2

b = 10

Thus, the y-intercept of the function is: b=10

6 0
3 years ago
Read 2 more answers
What is the area of the rhombus in simplest radical form? The figure is not drawn to scale.
Tanya [424]

The area of the Rhombus is 162√3 sq.unit , Option A is the correct answer.

<h3>What is a Rhombus ?</h3>

A rhombus is a polygon , which has four equal sides , its diagonal bisect each other at 90 degree.

Let x be the half of the other diagonal.

tan 60 = x / 9

x = 9 tan 60

x = 9√3

Area of the Rhombus = (d1 * d2 /2 )

d1 and d2 are the length of the diagonal.

Area of the Rhombus = (9*2)(2 *9√3)/2

Area of the Rhombus =162√3 sq.unit

To know more about Rhombus

brainly.com/question/27870968

#SPJ1

6 0
2 years ago
Which method could be used to factor x2 - 25?
Mandarinka [93]

Answer:

A. Perfect square Trinomial

Step-by-step explanation:

Just did its

6 0
3 years ago
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Which of the following expressions can be used to find the perimeter of the shape? All sides are the same length. A. 15 x 15. B.
umka21 [38]

Answer:

B and D

Step-by-step explanation:

This must be a six sided figure

A. 15 x 15.  This would be area

B. 6 x 15.   This is the sum of six sides of 15

C. 15 + 6.  This is the sum of 2 sides of different length

D. 15 + 15 + 15 + 15 + 15 + 15.  This is the sum of six sides of length 15

6 0
4 years ago
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Someone answer this I’ll give you all my points
mote1985 [20]

Answer:

<em>Equation; y = - x + 3</em>

Step-by-step explanation:

To determine the equation, let us first determine the slope of the line, through the equation ( y2 - y1 ) / ( x2 - x1 ), in this case where y2 ⇒ 1, y1 ⇒ 5, x2 ⇒ 2, and x1 ⇒ -2;

( 1 - 5 ) / ( 2 - ( - 2 ) ) ⇒ Simplify,

( - 4 ) / ( 4 ),

<em>Slope; - 1</em>

Now that we have the slope, let us substitute this known value into the point - slope equation in the following form;

y = a * x + b, where a ⇒ slope, and b ⇒ y - intercept,

( So far we have ) y = - x + b,

Let us solve for the value of b in y = - x + b by substituting one of the points, say ( 2 , 1 ) where x ⇒ 2, and y ⇒ 1;

( 1 ) = - ( 2 ) + b,

1 = - 2 + b,

b = 3;

<em>Equation; y = - x + 3</em>

8 0
3 years ago
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