Help:)

Identify the vertex for the graph of y = 2x^2 + 8x - 3.

(2, 21)

(2, 17)

(-2, -11)

(-2, -27)

Question

Help:)

Identify the vertex for the graph of y = 2x^2 + 8x - 3.

 (2, 21)

 (2, 17)

 (-2, -11)

 (-2, -27)

anonymous · Answer

(-2, -11) here is a link to the website I use to do this stuff! It is really helpful! https://www.desmos.com/calculator

anonymous · Answer

Alright thanks :)

anonymous · Answer

No prob! You have any more?

anonymous · Answer

Yeah, can you help me out on this?

What are the approximate solutions of 2x^2 - 7x = 3 rounded to the nearest hundredth?

 No real solutions

 x ≈ -0.77 and x ≈ 7.77

 x ≈ -0.39 and x ≈ 3.89

 x ≈ˆ -3.89 and x ≈ 0.39

anonymous · Answer

x ≈ -0.39 and x ≈ 3.89

so answer C

anonymous · Answer

Thank you!

anonymous · Answer

Not a problem!

anonymous · Answer

http://www.wolframalpha.com/input/?i=+2x^2+%2B+8x+-+3