3 years ago

Please help! 9. What is the x intercept

Mathematics

2 answers:

aalyn [17]3 years ago

4 0

The answer is -7 since the line crosses at -7

spayn [35]3 years ago

3 0

Answer: -7

When does the line cross the x-axis?

(Same thing as x-intercept)

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$\bf ~~~~~~~~~~~~\textit{negative exponents}
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a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
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\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}
\\\\
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$\bf \cfrac{21x^2y^6+6xy^3-30xy}{3xy}\implies \stackrel{\textit{distributing the denominator}}{\cfrac{21x^2y^6}{3xy}+\cfrac{6xy^3}{3xy}-\cfrac{30xy}{3xy}}
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3 years ago

Read 2 more answers

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