82.8k views
5 votes
Which object has the same y-intercept as a function y=2/3x-3?

1. x+4y=12

2. -2/3x+3y=6

3. 2/3x+3y=-3

4. 6x-7y=21

User Jon Hanson
by
8.2k points

1 Answer

6 votes

The 4th option.

The values with no x or y attached are the y intercept

6x - 7y = 21

Subtract 6x from both sides

6x - 7y - 6x = 21 - 6x

-7y = 21 - 6x

Divide both sides by - 7

-7y/-7 = 21/-7 - 6x/-7

Y = -3 +6x/7


The why intercept, -3 is the same as the one in the question


User Psmith
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.