Hello,
I)
1 solution with multiplicity 2
(2x+1)²=0
II) ANSWER C (-4.41, -1.59)
-3-√2 and -3+√2
III)
y=x²+2x
y=3x+20
==>x²+2x=3x+20
==>x²-x-20=
Δ=1+4*20=81=9²
(x=(1-9)/2=-4 and y= 3*(-4)+20=8 ) or (x=(1+9)/2=5 and y=3*5+20=35)
Answer:
y < -5
Step-by-step explanation:
-4(y+1) > 16
y+1 < -4
y < -5
Answer:
Briggs is planning to make abatch of home made play dough for an art projections
Answer:
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Step-by-step explanation:
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