i belive it is -12-1 from what i have learned but we did this last year so i am not 100% postivie but im pretty sure. sorry for the unseratnity
The following that are mathematical sentences are b,c
Answer:
B
Step-by-step explanation:
First, let's rearrange the given equation into something more recognizable. If we add 13 to both sides, we now have the polynomial
. We can now use the quadratic formula to solve.
Remember that the quadratic formula is

Substitute the numbers from the equation into the formula.

Simplify:


Here, I'm going to assume that there was a mistype in option B because if we divide out the 2 we end up with
.
Hope this helps!
Answer:
-11, and -9 is the range for 1/2 and 0 respectively
Step-by-step explanation: