4 Quadratics and polynomials
Australia
10&10a
4.03 The quadratic formula
Interactive practice questions
Consider the following statement:
'Any quadratic equation that can be solved by completing the square can be solved by the quadratic formula.'
Is it true or false?
True
A
False
B
Easy
< 1min
The standard form of a quadratic equation is $ax^2+bx+c=0$ax2+bx+c=0.
Identify the values of $a$a, $b$b and $c$c in the quadratic equation $x^2+7x+10=0$x2+7x+10=0 with $a>0$a>0.
Easy
< 1min
The standard form of a quadratic equation is $ax^2+bx+c=0$ax2+bx+c=0.
Identify the values of $a$a, $b$b and $c$c in the quadratic equation $x^2-3x-4=0$x2−3x−4=0 with $a>0$a>0.
Easy
< 1min
The standard form of a quadratic equation is $ax^2+bx+c=0$ax2+bx+c=0.
Identify the values of $a$a, $b$b and $c$c in the quadratic equation $2x^2+9x=0$2x2+9x=0 with $a>0$a>0.
Easy
< 1min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account