Determine the discriminant for the quadratic equation -3 = x^2 + 4x+ 1. Based on the discriminant value, how many real number so

Question

Dennis_Churaev [7]

3 years ago

10

Determine the discriminant for the quadratic equation -3 = x^2 + 4x+ 1. Based on the discriminant value, how many real number so

lutions does the equation have? Discriminant b^2 - 4ac

Mathematics

1 answer:

Kitty [74] · Answer 1 · 2022-01-06T09:40:39+03:00

Kitty [74]3 years ago

5 0

Hello :
<span>-3 = x² + 4x+ 1
x²+4x+4=0
a=1 and b= 4 c= 4
</span><span>b^2 - 4ac = (4)²-4(1)(4) =0
one solution : -b/2a = -4/2 = -2
note : </span>x²+4x+4=0
(x+2)² = 0
x+2 = 0
x= -2