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NCEA Level 2 Algebra Exam 2014 (part 2)

Another one from last year’s Algebra exam: Solve $\large{\boldsymbol{5^x\times 2^{-2x}=15}}$ .

You can find a copy of the exam question paper on the NZQA website here.

Question Three (b): Solve for $\boldsymbol{x}$ : $\boldsymbol{5^x\times 2^{-2x}=15}$ . Continue reading NCEA Level 2 Algebra Exam 2014 (part 2)

NCEA Level 2 Algebra Exam 2014

From last year’s Algebra exam: I couldn’t see how to rearrange $\large{\boldsymbol{h=rx^2 -tx}}$ to make $\large{\boldsymbol{x}}$ the subject.

You can find a copy of the exam question paper on the NZQA website here.

Question Two (c) (i): (abbreviated) Rearrange $\boldsymbol{h=rx^2 -tx}$ , where $\boldsymbol{r}$ and $\boldsymbol{t}$ are constants, to make $\boldsymbol{x}$ the subject. Continue reading NCEA Level 2 Algebra Exam 2014