Melissa had $24 dollars to spend on school supplies. After buying 10 pens, she had $12.20 left.
2 answers:
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We can see that
The given points are on same line.
Further explanation:
There are two methods to find if the given points are on same line
- The slope method: If the points are on same line the slopes of two pairs of points will be same
- Area of triangle method
Given points are:
A(1,3) B(4,2) C(-2,4)
We will find the slope of AB, BC, and AC
So,
We can see that
The given points are on same line.
Keywords: Slope, Co linear points
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