Answer:
8 trust me brainliest and 5 star pls......
Step-by-step explanation:
If a quadratic function has zero at x=-9, then point (-9,0) lies on the graph of quadratic function.
A line of symmetry has equation x=-3.5 that is x+3.5=0.
Use formula for the distance from point
to the line AX+By+C=0:

Thus,

Answer: the distance is 5.5 units.
Answer:
student 1
Step-by-step explanation:
48x+56=8(6x+7)
Answer: The answer is 10 :)
Step-by-step explanation: (-8+3) + (-x+5) distributive property
-8+3=-x+5
-5=-x+5 Subtract 5 to both side
-5 = -5
-10=-x divide x which is (1) to both side
/-1 =/-1
10=x
Answer:
11
Step-by-step explanation:
30 - 2(7+2) -1
PEMDAS
Parentheses first
30 - 2(9) -1
Then multiply and divide
30 - 18 -1
Then add and subtract
12-1
11