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Natali [406]
3 years ago
15

Write the equation of a line in point-slope form that has a slope of -1 and passes through the point (-2, 5).

Mathematics
1 answer:
vivado [14]3 years ago
7 0
The\ point-slope\ form:y-y_1=m(x-x_1)\\----------------------\\m=-1;\ (-2;\ 5)\to x_1=-2;\ and\ y_1=5\\\\\boxed{y-5=-1(x-(-2))\to y-5=-(x+2)}
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Determine the intercepts of the line that passes through the following points
sladkih [1.3K]

Answer:

(2,0) - x -intercept

(0, 1.5) - y-intercept

Step-by-step explanation:

The slope of the points can be found by writing a ratio of vertical change to horizontal change. It can be found in the table by subtracting y values from each other and subtracting x values from each other. The y values decrease by 3 each time or -6 - -3 = -6 + 3 = -3.

The x values increase by 4.

So the rate of change is -3/4.

This means if you go backwards on the table the previous point would be (2, 0). This is the x-intercept.

To find the y-intercept, you must go further back. Going back 2 more units would make the table appear as:

x                      y

-2                    3

0                      ???

2                      0

6                     -3

10                    -6

14                    -9

Since the y values decrease by 3 each time and we went back half the usual amount, then the value would be 1.5.

6 0
2 years ago
Find the length of one side of a square if the perimeter of the square is 20 inches.
damaskus [11]

Answer:

5 inches

Step-by-step explanation:

A square is all equal sides, so 20 inches divided by 4 is 5 inches.

Hope this helps :)

7 0
3 years ago
Help asap with math evaluate expression
madam [21]

Answer:

14

Step-by-step explanation:

you can simplify it by turning a²+b²/a-b

into

(a-b)²+2ab / a-b

eliminate the fraction

a-b +2ab

a=-1

b=-5

-1-(-5)+2*-1*-5

-1+5+10 = 14

5 0
2 years ago
7 to 10<br><br>Round the decimal to the nearest hundredth, then make that a percent
Nadusha1986 [10]
What’s the decimal?
3 0
2 years ago
Read 2 more answers
1. In the diagram below , lines a and b are paraller and cut by traversal, t of angle 3 is 120 degrees, find the measure of angl
Lelu [443]

the complete question in the attached figure

<span>1. In the diagram below , lines a and b are parallel and cut by traversal, t of angle 3 is 120 degrees, find the measure of angle 7.

 </span>∡3=∡7------------- >  <span>corresponding angles
the answer is </span>∡7=120 degrees

<span>2. in the diagram below , lines a and b are parallel and cut by traversal, t of angle 2 is 50 degrees, find the measure of angle 8.

</span>∡2=∡8------------- >  <span>alternate exterior angles
</span>
the answer is ∡8=50 degrees

<span>3. In the diagram below , lines a and b are parallel and cut by traversal, t of angle 6 is 50 degrees, find the measure of angle 4.

</span>∡6=∡4------------- >  <span>alternate interior angles

</span>the answer is ∡4=50 degrees

6 0
3 years ago
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