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Oksanka [162]
3 years ago
7

Teh slope between two points is calculated by finding the change in y-values and dividing by the change in x-values. for example

, the slope between the points (7,-15) and (-8,22) can be computed as follows. answer key
Mathematics
1 answer:
Nimfa-mama [501]3 years ago
4 0
Hi there!

The change of y-values is
- 15 - 22 = - 37
The change of x-values is
7 - - 8 = 7 + 8 = 15

Therefore, the slope of this line is
\frac{ - 37}{15}  =  - 2 \frac{7}{15}

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Determine whether the ordered pair (1, 1) is a solution of the inequality. y ≤ -3x+1
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Answer:  \textsf{(1, 1) is NOT a solution of the inequality}

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Given:  y \le-3x + 1

Find:  \textsf{Determine if (1, 1) is a solution of the inequality}

Solution:  In order to determine if (1, 1) is a solution we need to plug in 1 for the x values and 1 for the y values and see if the equation evaluated to true.

<u>Plug in the values</u>

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<u>Simplify</u>

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As we can see the expression states that 1 is less than or equal to -2 which is false therefore (1, 1) is NOT a solution of the inequality.

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1 year ago
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