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3 years ago

How to do linear functions using the table ?

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

3 0

Answer:

-8 = m-2+b

-2 = m-0+b

4 = m2+b

10 = m4+b

Step-by-step explanation:

You just put them in y = mx+b format

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-7x+4= 18<br> set notation<br> interval notation

denpristay [2]

Answer:

Step-by-step explanation:

-7x+4=18

-7x=14

Divide-7 on both sides of the equal sign which is going to leave you with x=-2

7 0

3 years ago

PLEASE HELP QUICK!!!! I WILL GIVE YOU BRAINLIEST!!!

Ksju [112]

The vertex of the function is (-6,-36).

<u>Step-by-step explanation:</u>

f(x) = x²+ 12x

From the above function, we can find the x- coordinate of the vertex as,

x = -b/2a

Here a = 1, b = 12

Plugin the values as,

x = -12 /(2×1) = -6

Now plug in the x value in the above function, we will get y as,

f(x) = y = x² + 12x = (-6)² + 12(-6)

= 36-72 = -36

So the vertex is (-6, -36).

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3 years ago

URGENT, will reward brainliest. Explain how to find the axis of symmetry for each function, and rank the functions based on thei

kozerog [31]

The axis of symmetry of a parabola is a line that divides it into two similar halves and this axis always goes through the vertex.

To find the equation of the line that represents the symmetry of the curve, suppose a parabola of the form $y = ax ^ 2 + bx + c$

Then, deriving y with respect to x we have:

$\frac{dy}{dx} = 2ax + b$

By matching dy / dx to 0 we have and by clearing x we have:

$x = \frac{-b}{2a}$

This equation allows us to find the axis of symmetry for any quadratic function

Then for the first function of the image.

The axis of symmetry is:

$x = \frac{16}{2*2}$

$x = 4$

For the second function of the image:

$x =\frac{-(-10)}{2*5}$

$x = 1$

For the third function the axis of symmetry is observed with the naked eye, is the line of equation:

$x = -2$

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3 years ago

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What is 3x3 – 11x2 – 26x + 30 divided by x – 5? 3x2 – 4x + 6 3x2 + 4x – 6 3x2 + 26x + 8 3x2 – 26x + 8

Nata [24]

Answer:

Step-by-step explanation:

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3 years ago

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An open box will be made from a rectangular piece of cardboard that is 8 in. by 10 in. The box will be cut on the dashed red lin

NeX [460]

Hi! Sorry, it would've taken too long to type out, so I wrote it and have the attachment. Good luck!

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3 years ago