1NT Algebra

Write an algebraic expression for

‘multiply 8 by c’

Write an algebraic expression for.

‘subtract 6p from 7’

In the year 2015, John is x years old.  

His father is three times his age.

Write down an expression, in terms of x, for

(a)    his father’s age,

(b)    John’s age in the year 2023.

*NOTE: Separate your answer for (a) and (b) using comma(,)

Write algebraic expression for ‘Divide the sum of x and y by 3’.

Write down the algebraic expression for ‘subtract 2n from the product of a and b’.

A can of soft drink costs $1.20 and a bowl of jelly costs 80 cents. 

Write down an algebraic expression, in dollars, for the cost of p cans of drinks and q bowls of jelly.

Rachel is p years old.  Aloysius is 2 years older than Rachel.  Syafi’s age is twice that of Rachel’s. 

Find an expression in its simplest form for

(a)    Aloysius’s age.

(b)    Syafi’s age.

*NOTE: Separate your answer for (a) and (b) using comma(,)

If x=-1, z=5, evaluate 5xz.

 

If x=-1, y=3, evaluate 3x² - 4y.

Write an algebraic expression for ‘multiply 10 by the sum of p and q’.