Answer:
<h3>
f(-k)=0</h3>
Step-by-step explanation:
(x + k) is a factor of f(x)
x+k=0 => <u>x= -k;</u> <em>-k is a root of f(x)</em>
=> f(-k)=0
Answer:
Try the 2nd one
Step-by-step explanation:
Answer:
7 gallons per 1 minute
Step-by-step explanation:
56/8=7
right?
Answer:
80°
Step-by-step explanation:
angles in a triangle add up to 180°
70° + 30° = 100°
180° - 100° = 80°
Answer:
Step-by-step explanation:
If you're talking about a square, then the area would be 40.
If you're talking about a triangle, then the area would be 20.
