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2 years ago

Please helppp!! I have to find the slope of the blue line that is in the graph!!

Mathematics

1 answer:

Travka [436]2 years ago

5 0

Slope = 4/5 because the formula for slope is rise/run. count the x and y units point one and point two are away from each other.

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1 year ago

A library charges a late return fee of 3.50 plus $0.15 per day that a book is returned late write a equation to find the total l

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2 years ago

Given the equation 4x2 − 8x 20 = 0, what are the values of h and k when the equation is written in vertex form a(x − h)2 k = 0?

Westkost [7]

The vertex form of the given quadratic equation is

$4(x-1)^{2} + 16 =0$ .

According to the given question.

We have a quadratic equation

$4x^{2} -8x + 20 = 0$

Since, for the standard quadratic form is $ax^{2} +bx + c = y$ , the vertex form of a quadratic equation is $y = a(x -h)^{2} + k$ where (h, k) is the vertex.

And h and k can be calculated as

h = -b/2a and y = k

So, for the given equation $4x^{2} -8x + 20 =0$ the vertex (h, k) is given by

h = -(-8)/2(4) = 8/8 = 1 (X coordinate of vertex)

and,

$y =4x^{2} -8x+ 20$

substitute x = 1 in the above equation for the value of k

Y = 4(1)(1) - 8(1) + 20

⇒ Y = 4 - 8 + 20

⇒ Y = -4 + 20

⇒ Y = 16

so, k = 16 (Y coordinate of vertex)

Now, substitute the value of a, k and h in $y = a(x-h)^{2} + k$ .

⇒ $0 =4(x-1)^{2} + 16$

Therefore, the vertex form of the given quadratic equation is

$4(x-1)^{2} + 16 =0$ .

Find out more information about vertex form of a quadratic equation here:

brainly.com/question/12223454

#SPJ4

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1 year ago

Please give me correct answer

bagirrra123 [75]

Answer:

7.a. 8.b, yan. po. ang. sagot

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2 years ago