What is the slope of the line represented by 9x - 14y = 28?
1 answer:
Answer:
The slope of the line is .
Step-by-step explanation:
We are given the line in standard form:
We need to get this into slope-intercept form in order to determine the slope of the line.
Slope-intercept form is , where <em>m</em> is our slope and <em>b</em> is the y-intercept.
Therefore, we need to get:
converted to:
.
Therefore, by solving the equation in slope-intercept form, we see that <em>m</em> equals 9/14, so our slope is .
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<u>Correct Question</u>
In the table shown, the sum of each row is shown to the right of the row and the sum of each column is shown below the column. What is the value of L?
Answer:
L=7
Step-by-step explanation:
From the first row: 2J+K=5
Therefore: K=5-2J
From the second column, 2K+J=7
Substitute K derived above into 2K+J=7
2K+J=7
2(5-2J)+J=7
10-4J+J=7
-3J=7-10
-3J=-3
J=1
Recall: K=5-2J
K=5-2(1)=3
K=3
From the third column, J+2L=15
1+2L=15
2L=15-1=14
L=7
Therefore, the value of L=7
CHECK: