What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form? x = –4 ± 2StartRoot 3 EndRoot x = –4

Question

3 years ago

12

What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form? x = –4 ± 2StartRoot 3 EndRoot x = –4

± StartRoot 48 EndRoot x = StartFraction negative 8 plus or minus StartRoot 3 EndRoot Over 2 End Fraction x = StartFraction negative 4 plus or minus 4 StartRoot 3 EndRoot Over 2 End Fraction

Mathematics

2 answers:

denpristay [2] · Answer 1 · 2022-01-29T20:05:21+03:00

denpristay [2]3 years ago

7 0

Answer:

A. on edg

Step-by-step explanation:

Just took the assignment.

SCORPION-xisa [38] · Answer 2 · 2022-01-29T17:45:21+03:00

SCORPION-xisa [38]3 years ago

4 0

Answer:

Step-by-step explanation:

Discriminant Δ = √(8²-4×(1)×(4)) = √(48) = √(4×12) = √(4)×√(12) = 2√(12)

then x = (-8 ± 2√(12))÷2 = -4 ±√(12) = -4 ±√(3×4) = -4 ± 2√(3)