1. Quadratic Equations and Functions
Standard Level
1.03 Solve using the quadratic formula
Interactive practice questions
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.
| $a$a | $=$= | $\editable{}$ |
| $b$b | $=$= | $\editable{}$ |
| $c$c | $=$= | $\editable{}$ |
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 $4x^2+3x=5$4x2+3x=5 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 $3x^2-8x+2=9x-7$3x2−8x+2=9x−7 with $a>0$a>0.
Easy
1min
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?
Easy
< 1min
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