Answer:
64 and 34
Step-by-step explanation:
Given
a + b = 8 ( square both sides )
(a + b)² = 8² = 64
------------------------------------------------
(a + b)² = 64 ← expand left side
a² + b² + 2ab = 64 ← substitute ab = 15
a² + b² + 2(15) = 64
a² + b² + 30 = 64 ( subtract 30 from both sides )
a² + b² = 34
Answer:
Max is currently 12 years old.
Step-by-step explanation:
Zeke's current age = 8 years
Lets take Max's current age as
years.
Then Max's age 3 years ago = 
Double Max's age 3 years ago = 
Double Max's age 3 years ago + Zee's current age = 26
⇒
+
= 
=
=
(Simplifying the brackets)
=
=


So Max's current age is 12 years.
Vertex form is y = -(x+4)^2+9
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