A car dealership owner creted a data table shows how many new and used cars where slide over several months
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<span>y=x^2-4x-2
y=x-2
x=0 or x=5
y = x - 2
1)
x=0
y = 0 - 2= -2
2)
x=5
y=5-2=3
Answer
x=0 , y=-2
or
x=5 , y=3</span>
y=x-2
x=0 or x=5
y = x - 2
1)
x=0
y = 0 - 2= -2
2)
x=5
y=5-2=3
Answer
x=0 , y=-2
or
x=5 , y=3</span>
If we write the first integer as the variable n, all numbers that come after it can be written as n+1, n+2, etc.
so the sum of four consecutive integers is:
sum = n + (n+1) + (n+2) + (n+3)
if we simplify:
sum = 4n +6
and if we want to know what the first integer is, we can re-write the equation as:
= n
and that is your answer.