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
Solve the equation $x^2+11x+28=0$x2+11x+28=0 by using the quadratic formula: $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$x=−b±√b2−4ac2a.
Enter each solution on the same line, separated by a comma.
Easy
3min
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