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reynellemt
07.03.2020 •
Mathematics
Alejandra correctly wrote the equation y – 3 = (x – 10) to represent a line that her teacher sketched. The teacher then changed the line so it had a slope of 2, but still went through the same point. Which equation should Alejandra write to represent the new line?
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Ответ:
Step-by-step explanation:
Given that Alejandra correctly wrote the equation
to represent a line that her teacher sketched.
This is in point slope form.
Hence the line passes through (3,10) and slope = 1
Now it is given that the teacher then changed the line so it had a slope of 2, but still went through the same point
Using point slope formula we get
is the equation for the same point with slope =2
Ответ:
C
Step-by-step explanation:
Since the line is not dotted and the top portion is shaded, the correct answer is C. When y is greater or equal to a linear function, the line must be a solid line and the top portion is shaded.