????????i don’t understand
2 answers:
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Answer:
(2,-3) and (-2,5)
Step-by-step explanation:
Let us graph the two equations one by one.
1.
If we compare this equation with the slope intercept form of a line which is given as
we see that m = -1 and c =1
Hence the slope of the line is -2 and the y intercept is 1. Hence one point through which it is passing is (0,1) .
Let us find another point by putting x = 1 and solving it for y
Let us find another point by putting x = 2 and solving it for y
Hence the another point will be (2,-3)
Let us find another point by putting x = -2 and solving it for y
Hence the another point will be (-2,5)
Now we have two points (0,1) ,(1,-1) , (2,-3) and (-2,5) we joint them on line to obtain our line
2.
It represents the parabola opening upward with vertices (1,-4)
Let us mark few coordinates so that we may graph the parabola.
i) x=0 ; ; (0,-3)
ii)x=-1 ; ; (-1,0)
iii) x=2 ; ;(2,-3)
iii) x=1 ; ;(1,-4)
iii) x=-2 ; ;(-2,5)
Now we plot them on coordinate axis and line them to form our parabola
When we plot them we see that we have two coordinates (2,-3) and (-2,5) are common , on which our graphs are intersecting. These coordinates are solution to the two graphs.
