Poidaj zbiór rozwiązań
a)x2>/ 9
b)x2-16</0
x2- x kwadrat
</ , >/ (większe lub równe/mniejsze lub rowne)
a)x²≥ 9
|x|≥3
x≥3 lub x≤-3b)x2-16</0
x²≤16
|x|≤4
-4≤x≤4
a)x²≥9
(x-3)(x+3)≥0
to |x|≥3
x≥3 ∨ x≤-3
b)x²-16≤0
(x-4)(x+4)≤0
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a)x²≥ 9
|x|≥3
x≥3 lub x≤-3
b)x2-16</0
x²≤16
|x|≤4
-4≤x≤4
a)x²≥9
(x-3)(x+3)≥0
to |x|≥3
x≥3 ∨ x≤-3
b)x²-16≤0
(x-4)(x+4)≤0
|x|≤4
-4≤x≤4