Answer:
y = - x² - 4x - 9
Step-by-step explanation:
Given
y = - (x + 2)² - 5 ← expand (x + 2)² using FOIL
= - (x² + 4x + 4) - 5 ← distribute parenthesis by - 1
= - x² - 4x - 4 - 5 ← collect like terms
= - x² - 4x - 9 ← in standard form
Step-by-step explanation:
option C
hope it helps
thank you
Answer:
Khan Academy is awesome.
Step-by-step explanation:
Khan Academy has videos to help you learn and solve problems, which is pretty resourceful.
Answer:
3h-9/2
Step-by-step explanation:
3/4(4h-6)=3h-18/4
simplify
3h-9/2
<h3>Answer</h3>
B 5/8
<h3>Explanation</h3>
P(event)= 1/8 (the possibility that Jack rolls a 3) + 4/8 (the possibility that Jack rolls an even number such as 2,4,6,8) = 5/8