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grettelyesenia
01.07.2019 •
Mathematics
The graph for the equation y=x-4 is shown below.
which equation, when graphed with the given equation, will form a system that has an infinite number of solutions?
a. y - x = -4
b. y - x = -2
c. y - 4 = x
d. y + 4x = 1
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Ответ:
A. y - x = -4
Step-by-step explanation:
y=x-4
To get infinite equations, the equation must be equal to y=x-4
We will solve each of these for y to see if they are identical
A. y - x = -4
Add x to each side
y-x+x = x-4
y = x-4
This is the same
It will give infinite solutions
B. y - x = -2
y-x+x = x-2
y =x-2
This is not the same.
It is parallel and will give no solutions
C. y - 4 = x
y-4+4 = x+4
y = x+4
This is parallel and will give no solutions
D. y + 4x = 1
y +4x-4x = -4x+1
This will intersect at a point
Ответ:
yee imagine math
Step-by-step explanation:
first is greater
second is less
third is greter
4th is less
and last is same