A line is defined by the equation 2x + y = 4. Which shows the graph of this line?
2 answers:
We have that
<span>2x + y = 4
to graph this equation </span><span>we will look for the x and y intercepts
step 1
find the x intercepts
y=0
2x+0=4-----> x=4/2-----> x=2
the point is (2,0)
step 2
</span>find the y intercepts
x=0
0+y=4-----> y=4
the point is (0,4)
step 3
with the two points graph the line
see the attached figure
<span>
</span>
<span>2x + y = 4
to graph this equation </span><span>we will look for the x and y intercepts
step 1
find the x intercepts
y=0
2x+0=4-----> x=4/2-----> x=2
the point is (2,0)
step 2
</span>find the y intercepts
x=0
0+y=4-----> y=4
the point is (0,4)
step 3
with the two points graph the line
see the attached figure
<span>
</span>
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The future value of the investment in dollars s
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r = annual interest rate (in decimal form)
t = time, years
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Factorize p out on the right side.
V = p(1 + rt)
Divide each side b (1 + rt).
Answer:
V = p + prt
where
p = principal, dollars
r = annual interest rate (in decimal form)
t = time, years
To determine p, write the formula as follows:
Factorize p out on the right side.
V = p(1 + rt)
Divide each side b (1 + rt).
Answer: