9x 7=29. is 9 a solution to the problem?
1 answer:
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Answer:
Initial value , rate of change:
Step-by-step explanation:
Step 1
Find the rate of change
we know that
In a linear equation the rate of change is equal to the slope
The formula to calculate the slope between two points is equal to
we have
Substitute the values
----> rate of change
Step 2
Find the initial value
The equation of the line into slope-point form is equal to
Substitute
The initial value is the value of y when the value of x is equal to zero (is the y-intercept)
----> initial value
Answer:
(0,-9)
Step-by-step explanation:
The image of a point over a line
is given by the co-ordinate rule:
→
So, when we reflect a point over the line , the x co-ordinate and y co-ordinate change their places.
Here, is
. So, from the above rule, after reflection over the line
, the image has the following co-ordinates: