MATH
HELP
FIND THE EQUATION OF THE LINE
2 answers:
Hi there!
y = mx + b
To find the equation, we can begin by deriving the slope (m):
slope = y2-y1/x2-x1
Find two points:
(0, -2) and (4, 1)
Plug these into the slope equation:
slope = 1 - (-2) / 4 - 0
slope = 3/4
We know that there is a y-intercept of y = -2 (b value), so:
y = 3/4x - 2
y=3/3x+-2
Step-by-step explanation:
it goes up 3 and over 3 so its 3/3 and it starts at -2
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c
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Width = 13cm
Length = 16cm
<u>Explanation:</u>
Let width = b,
So, length = b+3
Perimeter of rectangle = 2x(length + width)
According to the question,
Hence,
Width = 13cm
Length = 16cm
The error can be found in step 3. The student forgot to add four which caused him to mess up on the rest of the steps.
