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Juliette [100K]
3 years ago
14

Helpp, I need to determine the slope and y-intercept for each group. I need to write an equation for the graph in slope-intercep

t form.

Mathematics
2 answers:
jenyasd209 [6]3 years ago
4 0

Answer:

Slope = -2

Y intercept = 4

Equation. y = -2x +5

Step-by-step explanation:

Using points, (1,2) and (3,-2)

Slope = (-2-2)/(3-1) = -4/2 = -2

Y intercept = 4

-2 = (y-3)/(x-1)

-2(x-1) = y-3

-2x +2 = y-3

y = -2x +2 +3

y = -2x +5

Phoenix [80]3 years ago
3 0
Rise over run, -2/1. The slope is -2

Y intercept is 4

Y =-2x + 4
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Help please! Identify an equation in point slope form for the line perpendicular to Y =-4x + 8 that passes through (-2, 7)
777dan777 [17]

Answer:

D. y-7=\frac{1}{4}(x+2)

Step-by-step explanation:

The point-slope form of a line is given by:

y-y_1=m(x-x_1)

The line given to us has equation; y=-4x+8.

The slope of this line is -4. The of the line perpendicular to this line is the negative reciprocal of the slope of the given line.

Our slope of interest is therefore; m=\frac{1}{4}

Since the point goes through (-2,7), we have x_1=-2,y_1=7.

We plug in the slope and the point into the point-slope formula to obain;

y-7=\frac{1}{4}(x--2)

The required equation is:

y-7=\frac{1}{4}(x+2)

3 0
3 years ago
Find the distance from the point (6,10) to the line y=-x to the nearest tenth
ValentinkaMS [17]
<span>points (6,10)
</span>y = -x
x + y = 0

distance = lax1 + by1 + cl/√(a^2 + b^2)
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4 0
3 years ago
Brandi is half as old as Candi. Randy is 5 years older than Brandi. if Candi is 18, how old is Randy?​
zlopas [31]

Answer:

14

Step-by-step explanation:

18/2

9+5

<u>14</u>

4 0
3 years ago
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Helga [31]

Let d represent number of days and n represent number of workers.

We have been given that when building a house, the number of days required to build varies inversely with with the number of workers.

We know that the equation y=\frac{k}{x} represents the relation where y is inversely proportional to x and k is the constant of proportionality.  

So our required equation would be d=\frac{k}{n}

Upon substituting our given values, we will get:

19=\frac{k}{35}

k=19\cdot 35

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Since constant of proportionality is 665, so our equation would be d=\frac{665}{n}.

To find the number of days it will take to build a similar house with 5 workers, we will substitute n=5 in our equation as:

d=\frac{665}{5}

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Therefore, it will take 133 days for 5 workers to build a similar house.

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PLEASE ANSWER SOON<br> Has a picture of question
earnstyle [38]
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So, the area is 7 * 3 = 21.




8 0
3 years ago
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