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Orlov [11]
3 years ago
8

Y=4x, y=x+7, y=-2x+4, y=3x-1 which doesn't belong?

Mathematics
1 answer:
Readme [11.4K]3 years ago
3 0

Answer: y = 4x

Step-by-step explanation:

I would say y = 4x because all of these equations have a constant involved except for that.

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F(x)=-4x - 5 g(x)=3x - 2 Find( f - g )(x)
jok3333 [9.3K]
#1 is 12x² -15x 

#2 is fx-9x

4 0
3 years ago
Read 2 more answers
Using y=mx+b find the slope for<br> 7) 8x + 3y = −9
malfutka [58]

Answer:

-8/3

Step-by-step explanation:

8x + 3y = - 9

Let's make y the subject of the formula.

y = - 9/3 - 8x/3

Rearrange

y = - 8x/3 - 3

The slope is the coefficient of x which is - 8/3

If you don't understand, please leave a comment

Please gimme brainliest

7 0
2 years ago
Sonya has 5 sandwiches.she cuts each sandwich into fourths.How menu 1/4 size sandwich pieces dose she have
frozen [14]

Answer:

20

Step-by-step explanation:

Sonya has 5 sandwiches.she cuts each sandwich into fourths

1 sandwich divided into four parts

four parts = ¹/₄

1/¹/₄= 1x ⁴/₁= 4

so 1 sandwich divided into four parts is 4

so if 1 is divided into four parts is 4

5 will 4 x 5 = 20

so it means there will 20 of ¹/₄ sandwich

4 0
3 years ago
Given the trinomial 2x2 + 4x + 4, predict the type of solutions.
rodikova [14]
Trinomial 2x² + 4x + 4.

It's of the form ax²+bx+c and it's discriminant is Δ=b² - 4.a.c 

(in our case Δ = 4² - (4)(2)(4) → Δ = - 32

We know that: x' = -1 + i     and x" = -1 - i

If Δ > 0 we have 2 rational solutions x' and x"

If Δ = 0 we have1 rational solution x' = x"

If Δ < 0 we have 2 complex solutions x' and x", that are conjugate

In our example we have Δ = - 16 then <0 so we have 2 complex solutions

That are x'= [-b+√Δ]/2.a      and x" = [-b-√Δ]/2.a

x' = 

4 0
3 years ago
Read 2 more answers
ΔABC was dilated from point A to get ΔADE. Find the length of AD given a scale factor of 4.
rewona [7]

Since triangle ADE is similar to triangle ABC and the scale factor is 2, the following relation must be fulfilled:

\frac{AD}{AB}=4

The, by substituting the given information, we have

\begin{gathered} \frac{6x-8}{x+2}=4 \\  \end{gathered}

By multiplying both sides by x+2, we get

6x-8=4(x+2)

which gives

6x-8=4x+8

Then, by subtracting 4x to both sides, we have

2x-8=8

and by adding 8 to both sides, we obtain

2x=16

then, x is given by

x=\frac{16}{2}=8

Then, by substitutn

6 0
1 year ago
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