jaki9
01.07.2019 •
Mathematics
Find the values of x in this equation: x – 15 / x = 2.
a) -7, 3
b) -5, 2
c) -7, 5
d) -2, 5
e) -3, 5
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Ответ:
For this case we must solve the following equation:
We manipulate the equation algebraically:
To solve, we factor the equation. We must find two numbers that when multiplied by -15 and when summed by -2. These numbers are:
+3 and -5.
So, the roots are:
Option E
Ответ:
E) -3, 5
Step-by-step explanation:
x – 15 / x = 2
x^2 - 15 = 2x
x^2 - 2x - 15 = 0
(x - 5)(x + 3) = 0
x - 5 = 0; x = 5
x + 3 = 0; x = -3
Solutions: -3, 5
Ответ:
THE Answer Is : the domain is all real numbers.
The base must be less than 1 and greater than 0.
The function has a consumer multiplicative rate of change.
Step-by-step explanation