## anonymous one year ago Which of the following is a solution of 3x2 = 7x − 3?

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1. anonymous

will fan and medal

2. anonymous

3x² = 7x - 3 Make one side equal 0 by subtracting 7x and adding 3 to both sides 3x² - 7x + 3 = 0 Use the quadratic equation to solve for x. For a quadratic equation ax² + bx + c, $x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }$

3. anonymous

4. anonymous

positive 7 |dw:1434908770561:dw|

5. anonymous

Ohhh :)

6. anonymous

I have one more?

7. anonymous

ok

8. anonymous

Use the equation h = −16t2 + 64t + 4.

9. anonymous

|dw:1434908878426:dw|

10. anonymous

yes

11. anonymous

Last one, I promise :)

12. anonymous

ok

13. anonymous

Solve 2x2 − 8x = −7.

14. anonymous

|dw:1434909005888:dw|

15. anonymous

no. what did you get under the radical?

16. anonymous

2

17. anonymous

so would it be|dw:1434909345910:dw|

18. anonymous

I got 1 ± (√2)/2

19. anonymous

That's not an answer choice :(

20. anonymous

what are the choices?

21. anonymous

|dw:1434909587898:dw|

22. anonymous

|dw:1434909635812:dw|

23. anonymous

|dw:1434909659793:dw|

24. anonymous

|dw:1434909701224:dw|

25. anonymous

Are you sure?

26. anonymous

yes

27. anonymous

Ok. Thank you for all your help:)

28. anonymous

you're welcome