Graph the linear equation solve for Y 3x+y=6
1 answer:
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Answer:
16 feet
Step-by-step explanation:
Set up a proportion where x is the height of the tree:
=
Cross multiply and solve for x:
5x = 80
x = 16
So, the tree is 16 feet tall
Answer:
2 sets of possible solutions:
x=3, y = 5
and
x=-1, y = -3
Step-by-step explanation:
Using the graphical method, (see attached)
you can graph both equations and find their intersection points.
From the attached plot, you can see that the graphs intersect at (3,5) and (-1,-3)
Alternatively, you can solve this numerically by solving the following system of equations. You will get the same answer.
y = 2x + 1 ------------------- eq. (1)
y = x² - 4 ------------------- eq. (2)
