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Finger [1]
2 years ago
12

What is the vertex of function f(x)=(x-3)(x+5)?

Mathematics
1 answer:
butalik [34]2 years ago
6 0

Answer:

( − 1 , − 16 )

Step-by-step explanation:

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When solving a 2 step inequality, when do you flip the inequality sign, i keep getting these questions wrong, pls help, i mark b
vaieri [72.5K]
You flip the signs when you are dividing by a negative value.
-2x+3>15
-2x>15-3
-2x>12
x<12/-2
x<-6
Now to test this
Try putting x in the original equation when it is -5.
-2(-5)+3>15
10+3>15
13>15
This is false because our answer says x is less than -6.
Now any value less than -6 will work so let's go with -7.
-2(-7)+3>15
14+3>15
17>15
This result is True.
Hope this helps out!







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mixas84 [53]

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Step-by-step explanation:

7 = m (slope)

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