MATHEMATICS MIDDLE SCHOOL

Write an equation in slope-intercept form for the line with slope -7 and y-intercept 8 . Then graph the line.

Answers

Answer 1

Answer:

Answer:

Part 1) The equation of the line is $y=-7x+8$

Part 2) The graph in the attached figure

Step-by-step explanation:

Part 1)

Find the equation of the line

we know that

The equation of a line in slope intercept form is equal to

$y=mx+b$

where

m is the slope

b is the y-intercept

In this problem we have

$m=-7$

$b=8$

substitute

$y=-7x+8$

Part 2)

Graph the line

Find the intercepts

The y-intercept is the point $(0,8)$ -----> given value

The x-intercept is the value of x when the value of y is equal to zero

For y=0

$0=-7x+8$

$7x=8$

$x=8/7=1.143$

The x-intercept is the point $(1.143,0)$

To graph the line plot the intercepts

see the attached figure

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What is the answer to 5x-7y=14

Answers

$5x-7y=14 \n \n7y = 5x-14 \ \: 7 \n \ny=(5)/(7)x -(14)/(7) \n \ny=(5)/(7)x -2$

$Linear \ functions \ Where \ : \ny=mx + b \nx,y \ \ \ are \ the \ coordinates \ of \ any \ point \ on \ the \ line \nm \ \ \ \ is \ the \ slope \ of \ the \ line \n b \ \ \ \ is \ the \ y-intercept \ (where \ the \ line \ crosses \ the \ y-axis) \n \nm=(5)/(7)$

$x-intercept is : \ \ y=0 \n \n0=(5)/(7)x -2 \n \n(5)/(7)x =2 \ \ \cdot /((7)/(5)) \n \n x=(14)/(5) \n \n((14)/(5),0)\n \ny-intercept is : \ \ x=0 \n\ny=(5)/(7) \cdot 0 -2\n \n y=-2 \n \n(-2,0)$

Does any one know the answer i just got started in this stuff: Write an equation in sloper-intercept form for the following line:y-intercept 3 and slope 3?

Answers

Slope intercept form:
Y= mx +b
m is the slope
b is the y-intercept
in this case, just plug the numbers into the equation

Answer is Y= 3x + 3

What is 7,008,267 rounded

Answers

That's going to completely depend on the PLACE to which you want it rounded.

-- Rounded to the nearest ten, 7,008,267 becomes 7,008,270 .

-- Rounded to the nearest hundred, 7,008,267 becomes 7,008,300 .

-- Rounded to the nearest thousand, 7,008,267 becomes 7,008,000 .

-- Rounded to the nearest ten thousand, 7,008,267 becomes 7,010,000 .

-- Rounded to the nearest hundred thousand, 7,008,267 becomes
7,000,000 .

-- Rounded to the nearest million, 7,008,267 becomes 7,000,000 .

-- Rounded to the nearest ten million, 7,008,267 becomes 10,000,000 .

-- Rounded to the nearest hundred million or any higher order of
magnitude, 7,008,267 becomes zero.

7,008,267 rounded to the nearest one hundred thousands is:

8,008,000 because 7 is greater than 5.

Hope I Helped You!!!

Ms. Donaldson earns $18.80 per hour for the first 40 hours she works in a week. She earns 1 1 2 times that amount per hour for each hour beyond 40 hours in a week. Last week Ms. Donaldson worked 45.5 hours. How much money did she earn?

Answers

the answer is going to be $907.1 was made that week

Which of the following is the additive inverse of -3

Answers

So -3 is -(-3) and the opposite of -3 is 3.
so 3 is your anwser.

you would just do the opposite and the opposite of a negative is a positive so its +3

What is the solution to 1/3x-5+171=x

Answers

(1/3)x-5+171=x
I move the x on the right to the left so
(1/3)x-x-5+171=0
I then simplify so
(-2/3)x+166=0
I subtract 166 from both sides so
(-2/3)x = -166
Then I divide (-2/3) from both sides so
x = -166/(-2/3)
x = 249
and that's the answer
hope this helps

x in (-oo:+oo)

(1/3)*x-5+171 = x // - x

(1/3)*x-x-5+171 = 0

166-2/3*x = 0 // - 166

-2/3*x = -166 // : -2/3

x = -166/(-2/3)

x = 249

x = 249

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