±11
Step-by-step explanation:
Even NO. roots are always contain ±.
Answer: C
Answer:
2
10-8
y=10
4 SX +20 Y= 822
Elimination
X - 10 -4
UX - 822-20Y
6.5
10 -4 = 822-201
45
- 4.5 = 822 - 204
15.54=774
4 = 90:13
= -40.129
Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3
5d×(d-4)
-20d answer
answer -20d
