<span>3.4-5-10.4 = -12
Hope this helps!
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1 parallelogram
2 parallelogram
3 rhombus
4 rectangle
5 rhombus
answer choice a
x^2 - 5x - 1 = 0
a=1, b=-5, and c=-1
next you plug in the numbers into the quadratic formula
-(-5) plus or minus the square root of (-5)^2 - 4(1)(-1)/ 2(1)
after you simply, you should get 5 plus or minus the square root of 29, which is answer choice a