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laiz [17]
3 years ago
9

Can someone help with this question??

Mathematics
2 answers:
Luba_88 [7]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

The x- intercepts are the points on the x- axis where the graph crosses.

The graph does not cross the x- axis thus there are no x- intercepts

The y- intercept is the point on the y- axis where the graph crosses.

The y- intercept is - 6

(c)

The vertex is the turning point of the graph, in this case ∩

The vertex = (2, - 2 )

(d)

The axis of symmetry is a vertical line passing through the vertex.

The equation of the axis of symmetry is x = 2

Step2247 [10]3 years ago
4 0

Answer:

?

Step-by-step explanation:

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Hi, can someone please help, and possibly explain the answer please.
mr_godi [17]

Answer:

x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}

Step-by-step explanation:

Quadratic formula: x=\frac{-b\±\sqrt{b^2-4ac} }{2a} when the equation is 0=ax^2+bx+c

The given equation is 1=-2x+3x^2+1. Let's first arrange this so its format looks like y=ax^2+bx+c:

1=-2x+3x^2+1

1=3x^2-2x+1

Subtract 1 from both sides of the equation

1-1=3x^2-2x+1-1\\0=3x^2-2x+0

Now, we can easily identify 3 as a, -2 as b and 0 as c. Plug these into the quadratic formula:

x=\frac{-b\±\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}

I hope this helps!  

8 0
3 years ago
Select following expressions that are equivalent to 10.
kotykmax [81]

Answer:

5

Step-by-step explanation:

1,2,5

6 0
3 years ago
What is y in the equation 7/5y=3-1/5
enot [183]

Answer:2


Step-by-step explanation:first you subtract 3 and 1/5 and you'll get 2 4/5 then make that an improper fraction which will be 14/5 and then flip your 7/5 and multiply both sides by it so your 7/5 will be multiplied by 5/7 and they will cancel out the you take 14/5 and multiply it by 5/7 and you'll get y=2


3 0
3 years ago
COS2A+ cos2 A cot2A =cot 2 A
Kryger [21]

Answer:

a= (π/4) + (kπ/2)

Step-by-step explanation:

I have attached the explanation above. hopefully this will help

6 0
3 years ago
Read 2 more answers
Which of the following is the solution set of x2 + 8x + 12 = 0?<br> (-2.-6<br> 2.6
algol [13]

To solve this polynomial equation, we first factor the left side.

To factor x² + 8x + 12 = 0, look for factors of 12 that add to 8.

These factors are 6 and 2 so we have (x + 6)(x + 2) = 0.

So either x + 6 = 0 or x + 2 = 0 and solving for

x in each equation, our answer is {-6, -2}.

6 0
3 years ago
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