NZ Level 7 (NZC) Level 2 (NCEA)
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Solve Equations with Negative Exponents

Interactive practice questions

Solve $8x^{-2}-6x^{-1}+1=0$8x26x1+1=0.

Easy
Approx 4 minutes
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Solve $-15x^{-2}+4x^{-1}+3=0$15x2+4x1+3=0. Write all solutions on the same line, separated by a comma.

Solve $2x^{-2}+x^{-1}=6$2x2+x1=6.

Solve $\frac{y^{\frac{5}{7}}-y^{-\frac{2}{7}}}{y}=0$y57y27y=0.

Outcomes

M7-7

Form and use linear, quadratic, and simple trigonometric equations

91257

Apply graphical methods in solving problems

91261

Apply algebraic methods in solving problems

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