Fill in the missing number.
We know that $5\times5=25$5×5=25. This means that $\sqrt{25}=\editable{}$√25=
How many solutions can a quadratic equation have in total?
A quadratic equation can be written in the form $ax^2+bx+c=0$ax2+bx+c=0.
State the values of $a$a, $b$b, and $c$c for the equation $-5x^2-4x+8=0$−5x2−4x+8=0
Which of the following are quadratic equations?
Select all correct answers.