Which orderd pair is a solution to this equation? -2x-y=4

1 answer:

5 0

To find the ordered pair solution, you need to find the zero(s) (which are the x-values for which y is equal to zero). This is called the Zero Product Property. Here's the math:

-2x-y=4 convert the equation into slope form

-y=2x+4 multiply both sides by -1

y=-2x-4 convert into factored form

y=-2(x+2) now, we need to find what x equals that makes y equal zero

0=-2(x+2) replace y with zero

0/-2=x+2 divide both sides by -2

-2=x x=-2 when y=0

Therefore, the zero of the equation (aka the solution) is the ordered pair (-2,0).

Answer: (-2,0)

If you have access to a graphing calculator, you can just convert the equation to y=mx+b form and enter it as a function. The solution is wherever the graph intercepts the x-axis. Hope this helps!

You might be interested in

a tree rhar is 8 feet tall is growing at a rate of 2 feet each year a tree is 13 feet tall is growing at a rate of 1 foot each y

Vlad [161]

Answer:

5 years

Step-by-step explanation:

The shorter tree is 5 ft shorter, but is growing 1 ft/year faster. It will make up the difference of 5 ft in (5 ft)/(1 ft/year) = 5 years.

8 0

3 years ago

The area of a rectangular piece of plastic is 10 square millimeters. The perimeter is 22 millimeters. What are the dimensions of

Serhud [2]

2789 dimensions because it’s simple u multiple them

4 0

3 years ago

The quadratic functions f(x) and g(x) are described as follows: f(x) = −4x2 + 5 x g(x) 0 0 1 1 2 5 3 1 4 0 Which of the followin

KatRina [158]

The equation describes a function whose maximum value is 5. The data set describes a function whose maximum value is also 5. Comparing the maximum values, we must conclude ...

... It is the same for both functions.

_____

Please note that the premise is that g(x) is a quadratic function. It is definitely NOT a quadratic function in the usual sense of the term.

4 0

3 years ago

Helpppp.............m..

enot [183]

Answer: 135*

Step-by-step explanation:

35* is what the bottom left side of the triangle angle equals because of congruency.

All triangles = 180*

180 - 100 - 35 = 45*

top angle of triangle = 45 *

said angle (45) + x angle = 180

x = 135*

7 0

3 years ago

a father and his son clean the house together in 2 hours. when the son works alone, it takes him an hour longer to clean than it

Marizza181 [45]

It takes the son one and half hours to clean the house. To find this you need the equations F+S=2 and F+1=S. (F=father and S=son) You take the F+1 and substitute it in for S in F+S to get F+(F+1)=2. Then you combined like factors, 2F+1=2, and simplify to get F=.5hr. After this you plug .5 in to F+1=S to get (.5)+1=S, meaning it takes the son 1.5 hour to clean the house.

7 0

3 years ago