<img src="https://tex.z-dn.net/?f=2%20%5Ctimes%20%20%2B%205%20%3D%207" id="TexFormula1" title="2 \times + 5 = 7" alt="2 \times

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salantis [7]

3 years ago

+ 5 = 7" align="absmiddle" class="latex-formula">

Mathematics

2 answers:

Lera25 [3.4K]3 years ago

4 0

2x + 5 =7
Subtracting 5 from both sides
= 2x +5-5 = 7-5
=2x = 2
= x = 2/2
=x = 1

liraira [26]3 years ago

3 0

Yeah, your right cause you js use a calculator 2x+5=7

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Answer:

$(x,y) =(-4,-3)$ --- Vertex

$x = -4$ --- Axis of symmetry

Step-by-step explanation:

Given

$y = -6(x + 4)^2 - 3$

Solving (a): The vertex

For an equation written in

$y = a(x - h)^2 + k$

The vertex is:

$(x,y) = (h,k)$

By comparison:

$y = a(x - h)^2 + k$ and $y = -6(x + 4)^2 - 3$

$-h =4$ $k = -3$

$h =-4$ $k = -3$

So, the vertex is:

$(x,y) =(-4,-3)$

Solving (b): The axis of symmetry

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$h =-4$

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