Topic
Q:
What is \( -\frac{3}{4} x-\frac{1}{3}+\frac{7}{8} x-\frac{1}{2} \) written in simplest form?
Q:
What is \( 5 c-3 d-12 c+d-6 \) written in simplest form?
Q:
What is \( 8 z+x-5-9 z+2 \) written in simplest form?
Q:
What is \( -y+9 z-16 y-25 z+4 \) written in simplest form?
Q:
Mr Zwane is twice as old as his son. Ten years ago he was three
times as old as his son.
If the son is * years old, determine the age of Mr Zwane in terms of
*
Find the ages of Mr Zwane and his son ten years ago in terms of \( x \).
Determine the present age of Mr Zwane.
Q:
2.4 Prove that the equation \( \frac{3}{4} x^{2}+9 x=-27 \) has only one rational root,
namely \( x=-6 \), without solving the equation.
Q:
b. \( \left(-7 p^{3} q^{2}\right)^{2} \times 2 p q^{4} \)
Q:
\( \begin{array}{ll}2.3 & \text { Solve for } r \\ & 3^{r}+3^{3-r}=28\end{array} \)
Q:
Change the subject of the following formula to \( t \)
\( S=\frac{1}{2} g t^{2} \)
Q:
Use the elimination method to solve the system: \( \left\{\begin{array}{c}2 x+y=2 \\ 3 x-2 y=-4\end{array}\right. \)
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