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Find an equation for the nth term of the arithmetic sequence. -20, -16, -12, -8, ...
2 answers:
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Answer: C
Step-by-step explanation:
You can write each term into a fraction.
becomes
When you multiply 2 terms with the same base, you add the exponents.
is also the same as
You get this because . When you pull out 5 os x, you are left with x³ on the inside.
We are given that Kristine spends $20 and saves the rest each time she get paid.
We can use slope-intercept form y=mx+b to represent the equation.
Where x represents the amount Kristine earns and y represents the amount she saves.
Kristine spends $20. Therefore b= -20.
Plugging mx as just x and b=-20.
<h3>y = x-20.</h3><h3>If we plug y=0, we get </h3><h3>0 = x-20</h3><h3>x=20.</h3><h3>We can see in 4th option we have x-intercept =20.</h3><h3>Therefore, correct option is 4th option. </h3><h3 />