What are the approximate solutions of
2x2 + 9x = 8 to the nearest hundredth?
A. x ≈ 1.22 and x ≈ 3.28
B. x ≈ -0.76 and x ≈ 5.26
C. x ≈ -1.22 and x ≈ -3.28
D. x ≈ -5.26 and x ≈ 0.76

Question

What are the approximate solutions of
 2x2 + 9x = 8 to the nearest hundredth?
		A. x ≈ 1.22 and x ≈ 3.28
		B. x ≈ -0.76 and x ≈ 5.26
		C. x ≈ -1.22 and x ≈ -3.28
		D. x ≈ -5.26 and x ≈ 0.76

anonymous · Answer

2x^2*

precal · Answer

use the quadratic formula

anonymous · Answer

I did but then I ended up with -9 (+or-) 17/4.  Then the 2 x's ended up as -13/2 and 2/1 which is none of those so I got confused lol.

precal · Answer

|dw:1337712674597:dw|
c=-8 correct