princessroyal
21.07.2021 •
Mathematics
Solve x^2 – 4 = 5 by graphing the related function.
A) There are two solutions: 3 and –3.
B) There are two solutions: ±1.
C) There is one solution: 1
D) There are no real number solutions.
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Ответ:
A
Step-by-step explanation:
Because we can rearrange the equation and get:
x²=5+4
x²=9
Ответ:
Step-by-step explanation: