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Simora [160]
3 years ago
12

What is the answer (x + 3)2 – 5 = 0

Mathematics
1 answer:
ElenaW [278]3 years ago
7 0

x= -1/2 is the answer to your question. Mark as brainliest!!!!

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Adding subtracting and multiply polynomials
Nonamiya [84]
U forgot to put the question
7 0
3 years ago
35$ soccer cleats marked up 95%
mina [271]
The markup is:
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3 0
3 years ago
Function 2
balandron [24]

Answer:

Function 2 has larger max value.

Step-by-step explanation:

We know that the graph of Function 1 has the maximum value of 1 at x = 4 by looking at the graph.

But since we don't know what the maximum value of Function 2 is (Because Function 2 isn't given as a graph but rather an equation.) which means that we have to find the maximum value of Function 2.

\large{f(x) =  -  {x}^{2}  + 4x + 1}

It is not necessary to find x-value for a function because we want to know which function has larger maximum value. We will be using the formula below.

\large \boxed{y =  \frac{4ac -  {b}^{2} }{4a} }

As you may know, a max-min value is indeed y-value. From Function 2, we know the value of a, b and c from standard form y = ax²+bx+c

Substitute our a, b and c in the formula.

\large{y =  \frac{4( - 1)(1) -  {(4)}^{2} }{4( - 1)} } \\ \large{y =  \frac{ - 4 - 16}{ - 4} } \\ \large{y =  \frac{ - 20}{ - 4}  = 5}

Since our maximum value or y-value is 5 for Function 2. Since we also know that Function 1 has 1 as maximum value and Function 2 has 5 as maximum value. Therefore, Function 2 has larger maximum value.

5 0
3 years ago
What is the solution to the system of equations using the linear combination method {4x+y=5, 3x+y=8?
erastovalidia [21]
4x + y = 5
3x + y = 8
y = -3x + 8

4x +(-3x + 8) = 5
4x -3x + 8 = 5
x + 8 = 5
x = -3

y = -3(-3) + 8
y = -9 + 8
y = -1
5 0
3 years ago
Read 2 more answers
F 9 is added to twice a number and this sum is multiplied by 4​, the result is the same as if the number is multiplied by 4 and
riadik2000 [5.3K]
Let
x---------> the number

we know that
[9+2x]*4=4x+12
36+8x=4x+12
8x-4x=12-36
4x=-24
x=-24/4
x=-6

the answer is
-6
8 0
3 years ago
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