NZ Level 6 (NZC) Level 1 (NCEA)
topic badge
Formulae and Substitution

Interactive practice questions

The area of a rhombus is given by the formula $A=\frac{1}{2}xy$A=12xy, where $x$x and $y$y are the lengths of the diagonals.

If the diagonals of a rhombus have lengths of $2$2 cm and $4$4 cm, find the area of the rhombus.

Less than a minute
Sign up to try all questions

The value of a variable $T$T is defined by the formula $T=a+\left(n-1\right)d$T=a+(n1)d.

Given that $a=6$a=6, $n=5$n=5 and $d=8$d=8, find the value of $T$T.

Sally bought a television series online. The television series was $7.2$7.2 gigabytes large and took $2$2 hours to download.

Conversion from Fahrenheit to Celsius is defined by the formula $C=\frac{5}{9}\left(F-32\right)$C=59(F32).

The temperature inside a freezer is $86^\circ$86°$F$F. What is this temperature in Celsius?



Form and solve linear equations and inequations, quadratic and simple exponential equations, and simultaneous equations with two unknowns


Apply algebraic procedures in solving problems

What is Mathspace

About Mathspace