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3 years ago

Plz help! Will mark brainliest :3

Mathematics

2 answers:

lana [24]3 years ago

7 0

Your y-intercept (other wise known as b) is going to be -5. As for your slope it will be 3/1 or also 3.

So your equation will be y = 3x - 5

svet-max [94.6K]3 years ago

3 0

So this is using slope-intercept form (y=mx+b)

m is slope and b is the y-intercept

Looking at the graph, the line goes through the y-axis at (0,-5) so -5 is your y-intercept.

The slope of the line can be determine by using "rise over run". Find two points on the graph (I used 0,-5 and 1, -2). Count up from -5 to -2 (you get 3), count over from 0 to 1 (you get 1). Rise over run means that the slope equals 3.

Now, you just have to plug the numbers in.

Slope = 3; y-intercept = -5

y = 3x -5

The answer is A.) Y= 3x - 5

Hope this helps. Lmk if you need any more help :)

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4 years ago

PLEASE HELP!

Kitty [74]

You can reword the two equations as:

-5x-y=15 (Divide original value by 3)
-2x+6y=6

Then use elimination to find x:

-30x-6y=90 (Multiply by 6 to get y values to be same to cancel out)
-2x+6y=6

You're left with:

-32x=96. Which can then be solved to find x which is -3.

Then plug back in

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Now to: -2(-3)+6y=6.

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6 0

3 years ago

Read 2 more answers