Algebra
New Zealand
Level 7 - NCEA Level 2
Build algebraic expressions
Interactive practice questions
Which pair(s) of terms sum(s) to $-5x$−5x?
Select all the correct options.
$-5x$−5x and $-x$−x
A
$-2x$−2x and $-3x$−3x
B
$4x$4x and $-9x$−9x
C
$-6x$−6x and $2x$2x
D
Easy
< 1min
Write the following as a mathematical expression and simplify.
"Add $2x-4$2x−4 to $5x+6$5x+6."
Easy
1min
Write the following as a mathematical expression and simplify.
"Subtract $7x-8$7x−8 from $2x-4$2x−4."
Easy
2min
Translate the phrase into a mathematical expression using $x$x as the variable, and simplify.
"eight times a number, added to the sum of the number and seven"
Easy
1min
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