Mandy is trying to subtract 4 - 12, and she has asked you for help. How would you explain the process of solving the problem to
Mandy, using a number line?
2 answers:
Answer:
representing the number 4 - 12 in the number line
A number line is a line in which all the positive and negative numbers are marked on it.
the number line is represented in the diagram attached below.
when 4 is subtracted by 12 then we move left on the line graph and the point -8 will be represented in the graph.
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Step-by-step explanation:
2) Slope can be written as rise over run:
- rise: add to the y-value
- run: add to the x-value
3) Slope formula is:
4) Average rate of change is the slope of the given interval:
a) when x = 0, y = 0 and when x = 1, y = -3
b) when x = -2, y = 0 and when x = -1, y = 3
c) when x = 0, y = 0 and when x = 2, y = 0
SOLVING WITH THESE VALUES:
x=2
y=3
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The answer is 1,729 when x=2 and y=3
Work is in the pictures below :)
<em><u>Picture 1</u></em>: Solved where x=2 and y=3
<em><u>Picture 2</u></em>: Solved without plugging in values for x and y
First bring like terms together before simplifying
