NZ Level 6 (NZC) Level 1 (NCEA)
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Distributive law I

Interactive practice questions

Expand the expression $4\left(t+6\right)$4(t+6).

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A student incorrectly used the distributive property and wrote $7\left(4x+3\right)=28x+3$7(4x+3)=28x+3.

Which of the following is the best explanation to help the student correct their error?

Expand the expression $3\left(6+r\right)$3(6+r).

Expand the expression $\left(r+3\right)\times5$(r+3)×5.

Outcomes

NA6-5

Form and solve linear equations and inequations, quadratic and simple exponential equations, and simultaneous equations with two unknowns

91027

Apply algebraic procedures in solving problems

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