The perimeter of the trapezoid below is $27$27 centimeters.

a

Write a linear equation in standard form, $Ax+By=C$Ax+By=C, for the perimeter.

b

Find $y$y if $x$x is $5$5 cm.

Easy

Approx 2 minutes

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A carpenter charges a callout fee of $\$150$$150 plus $\$45$$45 per hour.

The table shows the linear relationship between the number of plastic chairs manufactured and the total manufacturing cost.

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Outcomes

9P.LR3.05

Describe the meaning of the rate of change and the initial value for a linear relation arising from a realistic situation and describe a situation that could be modelled by a given linear equation