Look at the graph shown:
A coordinate plane is shown. A line passes through the y-axis at -1 and through the point 1 comma 2. Which equation best represents the line?
y = 1 over 3. x − 1
y = 3x − 1
y = −x + 1 over 3. y = 3x + 1
Answers
SOLUTION
A line passes through the y-axis at -1 and through the point (1, 2) . Which equation best represents the line
y = 1/3x − 1
y = 3x − 1
y = − x + 1/3
y = 3x + 1
EVALUATION
Here it is given that the line passes through the y-axis at -1
So the line passes through the point (0,-1)
Again the line passes through the point (1, 2)
So the required equation of the line is
Hence the equation which best represents the line is
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GIVEN THAT ➠
- The line passes through the y-axis at -1.
- The line passes through the point (0,-1).
- And again the line passes through the point (1, 2).
REQUIRED EQUATION OF THE LINE ➠
HENCE THE EQUATION WHICH BEST REPRESENTS THE LINE IS ➠