Chapter 3: Q22. (page 202)
Solve each equation.
Short Answer
The required solution is represented by .
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Chapter 3: Q22. (page 202)
Solve each equation.
The required solution is represented by .
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Suppose yvaries directly as x. Write a direct variation equation that relates x and y. Then solve.
If when , find y when .
Find the root of each equation.
Determine whether each equation is a linear equation. Write the equation in standard form.
A candle burns as shown in the graph.

If the height of the candle is 8 centimetres, approximately how long has the candle been burning?
A 0 hours
B 24 minutes
C 64 minutes
Dhours
Determine whether each equation is a linear equation. Write yes or no. If yes, write the equation in standard form.
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