Here is the working on this question.
Answer:
answer
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
The student added 9 1/2 instead of adding -9 1/2
Answer:
OPtion B
Step by step explanation:
Lets plug in a random value for x.
Lets say 5 is x
-8(-5-5)=(y+1)^2
5-5 = 0
-8(0) = 0
0 = (y+1)^2
Square root of both sides
0 = y+1
subtract one from both sides
-1 = y
that means the x is 5 and the y is -1. Option B illustrates exactly that!
