Graph the equation on the coordinate plane.

Mathematics

1 answer:

abruzzese [7]3 years ago

8 0

Solution :

Given, the equation $y=-2x$ .

To graph the equation on the coordinate plane, we first need to derive the different points of the equation $y=-2x$ ,

$at\:\;x=0\Rightarrow y= -2(0)=0\\\\at\:\;x=1\Rightarrow y= -2(1)=-2\\\\at\:\;x=2\Rightarrow y= -2(2)=-4\\\\at\:\;x=3\Rightarrow y= -2(3)=-6\\\\at\:\;x=-1\Rightarrow y= -2(-1)=2\\\\at\:\;x=-2\Rightarrow y= -2(-2)=4\\\\at\:\;x=-3\Rightarrow y= -2(-3)=6$

The graph plotted using these points is shown in the figure,

You might be interested in

What is the slope and y intercept of y=3x+4

aev [14]

The slope is 3 and y-intercept is 4
y=mx+b

3 0

2 years ago

Read 2 more answers

Substitute x+y =200 9.5x+27y=4000

Vera_Pavlovna [14]

Point form: (80,120)
X=80, Y=120

3 0

3 years ago

There are nine men and ten women in a club; in how many ways can a committee of four be formed?

DochEvi [55]

There are 19 people total, and groups of four are being asked of us. We can use the formula for permutations or combinations.

Permutations: $\frac{n!}{(n-r)!}$
Combinations: $\frac{n!}{r!(n-r)!}$
Where in both scenarios, there are n objects being chosen at r times.

19 P 4 is 93024
19 C 4 is 3876
It all depends on whether order matters with group placement; if it does, your answer is 93024, if not, then your answer is 3876.

:)

8 0

2 years ago

Marie is cleaning her clothes out of the closet in her spare bedroom. She started with 650 of her items in the closet. She has b

Lemur [1.5K]

Wording is everything. Here, there are some issues. "... at the rate of 1/2 per month" can be interpreted to mean that at the end of the first month, there are 649 1/2 items in Marie's closet (decreased by 1/2 from 650).

"The number of items Dustin adds" could mean 5 items, the number he adds each month. The wording should specify the time period or whether we're talking about the total number Dustin has added.

We assume your description means that the number of items in Marie's closet at the end of each month is 1/2 what it was at the beginning. (As opposed to decreasing by 1/2 item each month.) We assume we're interested in the total number of items of Dustin's that are in the closet.

Marie's quantity can be modeled by ...

... m = 650·(1/2)^t . . . . . t = time in months

Dustin's quantity can be modeled by ...

... d = 5t

There will be one solution for d=m, at about t = 4.8. At that point, Dustin will have added about 24 items, which will be the number Marie is down to.

There is a viable solution for d=m at about t = 4.8.