Solve the system of linear equations by adding or subtracting. 4x + y = −9 9x − y = 1
1 answer:
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Answer:
The graph in the attached figure N 2
Step-by-step explanation:
The complete question in the attached figure N 1
we have the ordered pairs
(-4,9),(-1,3),(0,1),(2,-3)
Using a graphing tool
Plot the given ordered pairs in the coordinate plane
Remember that
In a ordered pair (x,y), the first coordinate is the location of the point in the x-axis and the second coordinate is the location of the point in the y-axis
see the attached figure
The graph represent a line
<em>Find the equation of the line</em>
<em>Find the slope</em>
take two points
The equation of the line in slope intercept form is equal to
we have
substitute
Answer:
A line that falls from right to left has negative slope.
Step-by-step explanation:
Due to the fact that negative slope looks like this
