Ask question

Ask question

All categories

3 years ago

7

)The equation of the line of best fit of a scatter plot is y = −4x − 6. What is the the y-intercept?

2 answers:

Gekata [30.6K]3 years ago

8 0

Well the y-intercept is where a line crosses the y-axis
y=-4x-6
think of it as y=mx+b
m is always going to be your slope
b is always going to be your y-intercept
y-intercept of y=-4x-6
is -6

tino4ka555 [31]3 years ago

7 0

First of all, to make this problems more clearly. I will use slope-intercept form in this case which is
y=mx+b where m represent slope and b represent y-intercept
Then, we analyze the same to y=-4x-6
m=-5
y=-6 or y-intercept=-6. As a result, the y-intercept is -6. Hope it help!

You might be interested in

A football team gains 3 yards on the first play ,loses 6 yards on the second play,loses 4 yards on the third play , and gains 5

galben [10]

Net yardage=3-6-4+5=-2

So the team lost 2 yards in four plays...

5 0

3 years ago

Read 2 more answers

The value of a jewel in 2015 was $17500. The jewel was purchased in 2008, and its value appreciated 2.5%

ArbitrLikvidat [17]

Answer:

$14722.14

Step-by-step explanation:

We are given that

In 2015

The value of jewel=$17500

Rate of appreciation, r=2.5%

We have to find the initial value of the jewel when it was first bought.

Time, n=7 years

Final value= $Initial\;value (r/100+1)^n$

Using the formula

$17500=Initial\;value(2.5/100+1)^7$

$17500=Initial\;value(1.025)^7$

$Initial\;value=\frac{17500}{(1.025)^7}$

Initial value=$14722.14

Hence, the the initial value of the jewel when it was first bought=$14722.14

5 0

3 years ago

A jar contains 99 large red marbles, 66 small red marbles, 88 large blue marbles, and 55 small blue marbles. if a marble is c

aliina [53]

I think it would be the first one

3 0

3 years ago

Fake Question: Should Ujalakhan01 be a moderator? (If you could answer I'd appreciate it haha.)

Dovator [93]

Answer:

$a^9 + b^ 5 + c^{13}$

Step-by-step explanation:

$(a^5 \times a^4)+(b^2 \times b^3) + (c^7 \times c^6)$

When bases are same and it is multiplication, then add the exponents.

$(a^{5+4})+(b^{2+3})+(c^{7+6})$

$(a^9)+(b^ 5) + (c^{13})$

Apply rule : $(a^b)=a^b$

$a^9 + b^ 5 + c^{13}$

8 0

3 years ago

Read 2 more answers

Is the answer 4/5 ? Can someone help please ?

Zina [86]

Answer:

$m=-\frac{4}{5}$

Step-by-step explanation:

We can take 2 arbitrary points in the graph and solve for slope using the formula shown below.

<u>Note:</u> we will use the 2 points (2,-3) & (-3,1)

Where x_1 = 2, y _1 = -3 and x _ 2 = -3 and y _ 2 = 1

The formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

Let's plug the numbers and find the slope:

$m=\frac{1-(-3)}{-3-2}\\m=\frac{4}{-5}\\m=-\frac{4}{5}$

Hence, thsi is the slope.

8 0

3 years ago