Exponents | Steve the Math Tutor

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)