Linear Equations II

Hong Kong

Stage 1 - Stage 3

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

a

Write a linear equation in standard form, $Ax+By=C$`A``x`+`B``y`=`C`, for the perimeter.

b

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

Easy

Approx 2 minutes

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.

The table shows the water level of a well that is being emptied at a constant rate with a pump.

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