Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.3

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Earn 100

The product of three consecutive integers is $30$ times smallest of the three integers.Find the two possible sets of integers that will satisfy this condition.

Important Questions on More Equations, Formulae and Functions

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.3

The square of a number is

14

more than

5

times the number. Find the two possible numbers for which this is true.

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.3

A rectangle has sides of length

x c m

and

y c m

. If the perimeter of the rectangle is

22 c m

and the area of the rectangle is

24 c m^{2}

,use algebra to find the dimensions of the rectangle.

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.3>Q 15

A ball is thrown from a building and falls

3 t + 5 t^{2} m e t r e s

in

t s e c .

after how many seconds has the ball fallen

6 m e t r e

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.3>Q 16

A stone is thrown up into the air from ground level. If the height of the stone is

16 t - 5 t^{2}

, for how long will the stone be more than

8 m

above the ground.

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.4>Q 1

Make $x$ the subject of the given formula

$m = x + b p$

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.4>Q 1

Make $x$ the subject of the given formula

$n = p r - x$

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.4>Q 1

Make $x$ the subject of the given formula

$4 x = m$

EASY

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Mathematics Core and Extended Coursebook Second Edition>Chapter 22 - More Equations, Formulae and Functions>Exercise 22.4>Q 1

Make $x$ the subject of the given formula

$a x^{2} - b = c$