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Logarithms: Solving equations 5
QuestionGiven $\rho(t)=\rho_0e^{kt}$, and values for $\rho(t)$ for $t=t_1$ and a value for $\rho_0$, find $k$. (Two examples).
Published on 13/10/2020 12:23 CC BY -
Combining Logarithm Rules to Solve Equations
QuestionApply and combine logarithm laws in a given equation to find the value of $x$.
Published on 13/10/2020 12:22 CC BY -
Logarithms: Solving equations 4
QuestionSolve for $x$ each of the following equations: $n^{ax+b}=m^{cx}$ and $p^{rx^2}=q^{sx}$.
Published on 13/10/2020 12:21 CC BY -
Logarithms: Solving equations 3
QuestionSolve for $x$: $\log(ax+b)-\log(cx+d)=s$
Published on 13/10/2020 12:21 CC BY -
Logarithms: Solving equations 2
QuestionSolve for $x$: $\displaystyle 2\log_{a}(x+b)- \log_{a}(x+c)=d$.
Make sure that your choice is a solution by substituting back into the equation.
Published on 13/10/2020 12:20 CC BY -
Simplify logarithms
QuestionExpress $\log_a(x^{c}y^{d})$ in terms of $\log_a(x)$ and $\log_a(y)$. Find $q(x)$ such that $\frac{f}{g}\log_a(x)+\log_a(rx+s)-\log_a(x^{1/t})=\log_a(q(x))$
Published on 13/10/2020 12:20 CC BY -
Logarithms1
QuestionGiven a sum of logs, all numbers are integers,
$\log_b(a_1)+\alpha\log_b(a_2)+\beta\log_b(a_3)$ write as $\log_b(a)$ for some fraction $a$.
Also calculate to 3 decimal places $\log_b(a)$.
Published on 13/10/2020 12:20 CC BY -
Rearranging Logarithms involving Indices
QuestionUse the rule $\log_a(n^b) = b\log_a(n)$ to rearrange some expressions.
Published on 13/10/2020 12:19 CC BY -
Logarithm Equivalence $\log_ba=c \Longleftrightarrow a=b^c$
QuestionRearrange some expressions involving logarithms by applying the relation $\log_b(a) = c \iff a = b^c$.
Published on 13/10/2020 12:19 CC BY -
Logarithms: Solving equations 6
QuestionSolve for $x$: $c(a^2)^x + d(a)^{x+1}=b$ (there is only one solution for this example).
Published on 13/10/2020 12:19 CC BY