The answers are:
13. |3y|=9, y<0
14. |x|=2, x>0
Answer:
Andre's Method is the only one that works
Step-by-step explanation:
Noah's method won't work because he doesn't follow the order of operations. You can pull the the 9 out first you have to distribute the 2 first.
Elena's method doesn't work because to eliminate the 18 you must use the reverse operation it must be added not subtracted.
Andre's Method is the only one that works
Answer:
system results in a true statement
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Answer:
D. -2 and 6
Step-by-step explanation:
Use the quadratic formula to put either -2 or 6 in and get it to equal 0.