Answer:
y = (x + 3)² - 4
The vertex is a minimum at (-3, -4)
Step-by-step explanation:
Step 1: Isolate xs
y - 5 = x² + 6x
Step 2: Complete the square
y - 5 + 9 = x² + 6x + 9
y + 4 = (x + 3)²
Step 3: Convert to vertex form
y = (x + 3)² - 4
To find your vertex, <em>(h, k) </em>is your vertex, so (-3, -4). To see whether or not it is a max or a min, check <em>a </em>to see if it is positive or negative. Since <em>a </em>is positive, it is a minimum.
Answer:
15
Step-by-step explanation:
The total part of purple paint is the sum of the blue paint aprts nad the red paint parts.
There are:
-3 blue parts
-12 red parts
To find the total purple paint parts we add these together to get:
So there are 15 total purple parts!
Hope this helps! :3
Answer:
4x-9
Step-by-step explanation:
6+7x-4-3x-11
Combine like terms: 7x-3x = 4x
:6-4-11 = -9
Combine them together and you get 4x-9
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Subtract 4 from 6
7
x
+2-3x-11
Subtract 3x from 7x
4x+2-11
Subtract 11 from 2
4x-9
Answer:
15
Step-by-step explanation:
yes.
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