In any equation there is a variable (usually x). In a quadratic equation there is a lot involved.
-B (+or-) sqrt of b^2 - 4 x A x C
________________________ divide it by
2 x A
There is usually an original equation that looks like: Ax^2 + Bx + C = 0 Use the variables from the equation to the left to fill the upper equation. (You can also look up a better formula if confused).
Answer:
r=d÷2 is the right answer
Answer:
X+5
Step-by-step explanation:
Answer:
option is C
Step-by-step explanation:
did u forget me?????
Answer:
x° = 79°
z° = 101°
Step-by-step explanation: