QUADRATIC EQUATIONS

Welcome to your QUADRATIC EQUATIONS

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Solve this quadratic equation by completing the square: 

Solve this quadratic equation using formula: 

Solve this quadratic equation using formula: 
Solve this quadratic equation correct to 3 d.p. : 
Solve this quadratic equation:  
The product of two consecutive odd numbers is 195. What is the value of the smallest number?
The length of a rectangle exceeds the width by 5 cm. If the area of the rectangle is 36 m2. What is the width of the rectangle?
The perimeter of a rectangle is 42 cm. If the diagonal is of 15 cm, what is the dimension of the longest side of the rectangle?
Andrew buys few kilograms of potatoes. If the potato costs £2 less per kg, he could have bought 5 more kg for £100. What is the original price of 1 kg of potato?
An increase in the speed of 4 km/h on a journey reduces the time taken by 4 hours on a 32 km journey. What is the original speed?