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3 years ago

In Exercises 7–10, graph the function, and label its vertex and y-intercept.

Mathematics

1 answer:

yaroslaw [1]3 years ago

5 0

Answer:

#7: Vertex is (2,-6)

y-intercept is (0,6)

#8: Vertex is (-2,-29)

y-intercept is (0,-9)

#9: Vertex is (-1,1)

y-intercept is (0,-5)

#10: Vertex is (2,20)

y-intercept is (0,-8)

Step-by-step explanation:

Graphs are in the picture below

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The sum of three consquetive odd number is 177. Find the numbers.

beks73 [17]

Answer:

57, 59, and 61.

Step-by-step explanation:

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3 years ago

Read 2 more answers

NEED HELP PLEASE!

USPshnik [31]

Answer:

$(x + (3+5i))^2 = x^2 + 6x + (10x+30)i - 16$

Step-by-step explanation:

Complex numbers identity:

The complex numbers identity is:

$i^2 = -1$

Square of the sum:

$(x + y)^2 = x^2 + 2xy + y^2$

In this question:

$(x + (3+5i))^2$

$x^2 + 2x(3+5i) + (3+5i)^2$

$x^2 + 6x + 10xi + 9 + 30i + 25i^2$

$x^2 + 6x + 9 + (10x+30)i - 25$

$x^2 + 6x + (10x+30)i - 16$

$(x + (3+5i))^2 = x^2 + 6x + (10x+30)i - 16$

5 0

3 years ago

There are 3000 people at a concert you survey a random sample of 200 people and find that for 35 of them this is their first con

Ipatiy [6.2K]

Ok so
ratio
35/200=x/3000
7/40=x/3000
multiply both sides by 12000
2100=4x
divide both sides by 4
525=x

aprox 525 people

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3 years ago

Find the complex conjugate of the given number -1+4i

adell [148]

With every imaginary term, there are 2 complex conjugates with opposing signs. So if I had the term a+bi, the complex conjugate would be a-bi. So given your example of -1+4i, the complex conjugate would just be the opposite sign, now negative, to get -1-4i.

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3 years ago

I need help with this question

Lunna [17]

{3,4,5,6} should be the answer

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4 years ago