3 years ago

Help pleaseeee- it’s for an assessment :/

Mathematics

1 answer:

rusak2 [61]3 years ago

8 0

Answer:

y=2x+0

Step-by-step explanation:

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Answer:

y is also doubled.

Step-by-step explanation:

Direct proportionality between $x$ and $y$ means that

$y \propto x$

$y=cx$ ,

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Therefore, if x is doubled, then the new value of $y$ is $y_{new}$

$y_{new}=c(2x)$

$y_{new}=2(cx)$

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The new value of $y$ is 2 times the previous; therefore, $y$ is doubled as $x$ is doubled.

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Write the augmented matrix for each system of equations.

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We are given the equations: 

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Writing an Augmented matrix for the 2 equations:

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$\left[\begin{array}{ccc}10&0|&10\\-5&-8|&9\end{array}\right]$

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Subtract 4 from both sides, y = 5

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Step-by-step explanation:

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