Answer:
x = -11/7
x = 11/7
Step-by-step explanation:
49x² - 121
Factor
(7x + 11)(7x - 11)
roots
x = -11/7
x = 11/7
Answer:
97
Step-by-step explanation:
Answer:
77
Step-by-step explanation:
Add the numbers together, then divide them to how much numbers are there.
74 + 75 + 80 + 76 + 75 + 81 + 78 = 539
Since there are 7 numbers, you divide 539 by 7.
539/7 = 77
Answer:

Step-by-step explanation:
Given
See attachment
Required
Determine the slope of the line
From the attachment, we have the following points

and

The slope m is then calculated using:

Substitute values for the x's and y's




<em>Hence, the slope is 0</em>