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

2min

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

Easy

2min

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

Easy

5min

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

Easy

6min

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