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3 years ago

5

Annie was given two pieces of information and must write the equation of a line. She knows the line crosses the y-axis at the po

int (0,5) and has a slope of -4. What is the equation of a line?

1 answer:

Mariana [72]3 years ago

5 0

Answer:

Y = -4X + 5

Step-by-step explanation:

X is the slope, If you cover X, you can see that Y = 5

Mark me as brainliest if this helps!

Let me know if you have any questions!

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What is the solution for y? What would Y be? Y/3-5=10

gayaneshka [121]

Answer:

45

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is 8 divide by 4,377

kkurt [141]

0.0018277359

Because you put 8(which is smaller) in front of 4377(which is bigger).

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3 years ago

Need help with this maybe question

Aleonysh [2.5K]

Answer:

the vertex is:

(2, -1)

Step-by-step explanation:

First solve the equation for the variable y

$x^2-16y-4x-12=0$

Add 16y on both sides of the equation

$16y=x^2-16y+16y-4x-12$

$16y=x^2-4x-12$

Notice that now the equation has the general form of a parabola

$ax^2 +bx +c$

In this case

$a=1\\b=-4\\c=-12$

Add $(\frac{b}{2}) ^ 2$ and subtract $(\frac{b}{2}) ^ 2$ on the right side of the equation

$(\frac{b}{2}) ^ 2=(\frac{-4}{2}) ^ 2$

$(\frac{b}{2}) ^ 2=(-2) ^ 2$

$(\frac{b}{2}) ^ 2=4$

$16y=(x^2-4x+4)-4-12$

Factor the expression that is inside the parentheses

$16y=(x-2)^2-16$

Divide both sides of the equality between 16

$\frac{16}{16}y=\frac{1}{16}(x-2)^2-\frac{16}{16}$

$y=\frac{1}{16}(x-2)^2-1$

For an equation of the form

$y=a(x-h)^2 +k$

the vertex is: (h, k)

In this case

$h=2\\k =-1$

the vertex is:

(2, -1)

6 0

3 years ago

WILL MARK BRAINLIEST!!<br><br> Which quadratic function best fits this data?

Darya [45]

Answer:

which data? are you sure this question is complete

7 0

2 years ago

Determine the number of terms, n, given the geometric series -1 - 2 - 4 - 8 - ... and Sn=−31.

Gemiola [76]

Answer:

5

Step-by-step explanation:

We are given the geometric series:

-1, - 2, - 4, - 8.......

In the geometric series above, the common ratio = second term/first term = -2/-1

= 2

Where common ratio is greater than 1(r >1)

The sum of a geometric progression =

Sn = a(rⁿ -1)/r - 1

In the question we are asked to find the number of term = n

Sn = -31

a = -1

r = 2

Hence,

-31 = -1(2ⁿ - 1)/2 - 1

-31 = -1(2ⁿ - 1)

-31 = -2ⁿ + 1

2ⁿ = 1 + 31

2ⁿ = 32

2ⁿ = 2^5

n = 5

Therefore, the number of terms(n) = 5

3 0

3 years ago