3 years ago

This model represents an equation.

Mathematics

1 answer:

weqwewe [10]3 years ago

7 0

We have nothing to go off of lol

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X =2y - 4 <br> x + 5y = -66<br> what is the x - value of the solution to this system of equation

stich3 [128]

Answer:x=-8 and y=-2

Step-by-step explanation:plug in for x.7(2y-4)+5y=6-6614y-28+5y=-6619y-28+-6619y=-38y=-2put it back in.

3 0

3 years ago

Use synthetic division to show that the number given to the right of the equation is a solution of the equation. Then solve the

AysviL [449]

Answer:

$x = 2 \: or \: x = - 2 \: or \: x = - \frac{1}{2}$

Step-by-step explanation:

The given polynomial equation is

$2 {x}^{3} + {x}^{2} - 8x - 4 = 0$

We perform the synthetic division as shown in the attachment by dividing by x-2.

This gives a remainder of 0 and a quotient of

$2 {x}^{2} + 5x + 2$

This means the polynomial equation becomes:

$(x - 2)(2 {x}^{2} + 5x + 2) = 0$

We factor the quadratic term by splitting the middle term;

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

$(x - 2)(2 x(x+ 2) +1(x + 2) )= 0$

Collect common factors again:

$(x - 2)((x+ 2)(2x + 1) = 0$

The solution is:

$x = 2 \: or \: x = - 2 \: or \: x = - \frac{1}{2}$

8 0

4 years ago

4x=2 solve for X<br><img src="https://tex.z-dn.net/?f=4x%20%3D%202%20solve%20for%20x" id="TexFormula1" title="4x = 2 solve for x

Bogdan [553]

X=1/2 hope this helps <3

3 0

3 years ago

Read 2 more answers

A line with a slope of -3/4 that passes through the point (-14,4).

damaskus [11]

Answer:

y=-3/4x-13/2

Step-by-step explanation:

This should be the answer, I am not 100% though

I did y-4=-3/4x(x+14)

6 0

3 years ago

Read 2 more answers

Which equation describes the same line asy- 3 =-1(x+ 5)?

aliya0001 [1]

The answer would be A

6 0

3 years ago