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1 of 8 0-day streak

Recognise linear equations

DIFFICULTYintrostandardchallengeexam
QUESTION TYPEMix of allChange
Pick the squared equationClassify a squared equationClassify three plain and squared equationsNOWMix of allRecommended
Question 1 of 8

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Classify each equation as linear or not linear

(a)1 mark

Choose the correct linearity classification

\[3r^2 + 4 = 8\]
(b)1 mark

Is this equation linear or not linear?

\[3r + 5 = 12\]
(c)1 mark

Classify the equation as linear or not linear

\[2r + 1 = 6\]