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Oliga [24]
1 year ago
10

I have no idea how to do this please help

Mathematics
1 answer:
algol [13]1 year ago
8 0
\begin{gathered} a)slope\colon7 \\ b)y-intercept\colon-6 \end{gathered}

1) As we can see this is a Linear Equation written in the Slope-intercept form:

y=mx+b

Note that "m" stands for the slope of the line, i.e. the measure of how steep a line is.

In the given equation, we can state that the slope is always accompanying the "x" therefore, the slope is m= 7

2) In addition to this, the y-intercept also called the Linear Coefficient is given by the letter"b" and represents the y-coordinate that the graph intercepts. Thus the y-intercept is -6

So we can state the following as the answers:

\begin{gathered} a)slope\colon7 \\ b)y-intercept\colon-6 \end{gathered}

And that is the answer

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Answer:

The answer is below

Step-by-step explanation:

a) Triangle A is attached in the image below.

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Area of triangle A = (1/2) × base × height = (1/2) × 3 × 3 = 4.5 unit²

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Ratio of area = Area of the scaled copy / Area of triangle A = 72 unit² / 4.5 unit² = 16

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b) For the scaled copy:

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Base of scaled copy = 12 = 4 × base of triangle A

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