## anonymous one year ago What is the equation of the line that has a slope of 3 and goes through point (4, 7)?

1. pooja195

$\huge~\rm~y-y_1=m(x-x_1)$ Use this it is the Point-slope formula Substitute the follwing values into the formula m=slope so 3 4=x1 7=y1 (x1,y1)

2. anonymous

y-7=3(x-4) is that all?

3. pooja195

Do they want slope -intercept form?

4. anonymous

it just says write an equation, it doesn't specify what type.

5. pooja195

hmm @Loser66 @perl

6. Loser66

just simplify more

7. pooja195

So slope intercept form.... y-7=3(x-4) $\huge~\rm3(x-4)$ distribute that

8. anonymous

y-7=3x-12 y=3x+19 I have no idea if i did that right

9. pooja195

$\huge~\rm~3 \times-4=??$

10. anonymous

OH right y=3x+5?

11. pooja195

not quite :( answer my question because that will get you the right answer u are very close

12. pooja195

-4 x 3 =?

13. anonymous

-12

14. pooja195

good y-7=3x-12 Ok now finish it off :)

15. anonymous

y=3x-5?

16. pooja195

yes :)

17. pooja195

Good job ^_^

18. anonymous

thank you for putting with my terrible math skills I appreciate it!

19. pooja195

haha not bad :) theres always room for improvement if you ever need help feel free to pm or tag me :)