Tania purchased P packages of pasta for $1.25 each and J jars of sauce for $1.85 each. She purchased 22 items and spent $33.50.
1 answer:
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The slope of this graph is - 4
Step-by-step explanation:
The slope of a line is , where
and
are two points on the line
- The slope of a horizontal line is zero
- The slope of a vertical line is undefined
∵ The graph is a line
∵ The line passes through points (1 , -2) and (0 , 2)
∴ = 1 and
= 0
∴ = -2 and
= 2
- Substitute these values in the rule below
∵
∴
∴ m = - 4
The slope of this graph is - 4
Learn more:
You can learn more about the slope of a line in brainly.com/question/4152194
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