What values best approximate the solutions of x^2 + 4x - 3.5 = 0?

Question

anonymous · Answer

help?

anonymous · Answer

|dw:1335999097895:dw|

anonymous · Answer

-4.8 and 3.5
?

anonymous · Answer

$$x^2+4x-\frac{35}{10}\text{ = }0 $$The following are exact symbolic solutions to the above equation.$$\left\{x\to \frac{1}{2} \left(-4-\sqrt{30}\right),x\to \frac{1}{2} \left(-4+\sqrt{30}\right)\right\} $$$$\{x\to -4.73861,x\to 0.738613\} $$

anonymous · Answer

no real soultions?

anonymous · Answer

-4.8 and -3.5

       -4.8 and 0.8

      - 3.5 and 0.8

anonymous · Answer

@KierseyClemons 
If the above list represents three multiple choices for an answer, then the middle one is the best choice.  -4.74 and 0.74 are accurate to the nearest 1/100th.

anonymous · Answer

ok! and also the other choice was no soloution