Question

how would I graph -3x - y = -10

Answer 1

first convert it in y=mx+c form

Answer 2

-3x+10=y

Answer 3

y=-3x+10
now for different values of x find y
like x=0 than t=10
and plot them

Answer 4

To graph a straight line all you need is two points.
Put x = 0 and find the y value. That is one point on the y-axis.
Put y = 0 and find the x value. That is one point on the x-axis.
Using a ruler draw a line passing through those two points.

Answer 5

Welcome to OpenStudy!
Yes, you could first solve the given equation for y, plot the y-intercept (0,10), and then use the slope (m = - 3) to find another point on the line.

Or, you could use the concept of vertical and horiz intercepts. Let x=0 and find y.
Write the point as (x,y). Next, let y=0 and find x. Write the point as (x,y). Plot the two points and draw a straight line thru them.

Answer 6

I got (3,-1).. Or would it be (3,1)?

Answer 7

Where did (3,1) come from? You were asked to graph the line thru the 2 given points, not to solve the equation.

Answer 8

In my answers on my homework it gives the graphs with the points. two of them didnt make sense and so I went through every step just given to me and I always mix up my negatives and positives... :/

Answer 9

So, Savvy, what is your question? What kind of help do you need?

Answer 10

I have to graph them and see where the points intercept to find the solution. I got all mixed up..

Answer 11

It says "solve the system by graphing" and it gave me:

-3x - y = -10
and
4x - 4y = 8

This is my weekest subject :(

Answer 12

Plot the first line, -3x - y = -10 using the method in my first reply.
Put x = 0: -3(0) - y = -10
0 - y = -10
y = 10
So (0, 10) is one point.
Put y = 0:
-3x - 0 = -10
x = 10/3.
(10/3, 0) is another point
Plot these two points and draw a straight line through them.

Do a similar procedure with the other line.

Find where they intersect and read the x and y coordinates. That will be the answer.

Answer 13

Thank you so much!! (:

Answer 14

You are welcome.