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Grace [21]
3 years ago
14

What are a and b when you write √-16 in the form a+bi, when a and b are real number?

Mathematics
1 answer:
dangina [55]3 years ago
8 0
The answer is d because
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URGENT I HAVE ALMOST 0 TIME LEFT I NEED LAST MINUTE HELP
jonny [76]

Answer:

The zeros are the points where the parabola intercepts the x-axis.

\sf x = 7 \implies x - 7 = 0

\sf x = 1 \implies x - 1 = 0

\sf \implies y = a(x - 7)(x - 1)  where a is some constant

If the parabola passes through point (3, 4) then:

\sf \implies a(3 - 7)(3 - 1) = 4

\sf \implies a(-4)(2) = 4

\sf \implies -8a = 4

\sf \implies a = -\dfrac12

So the equation of the parabola is:

\sf y = -\dfrac12(x - 7)(x - 1)

Or in standard form:

\sf y = -\dfrac12x^2+4x-\dfrac72

7 0
2 years ago
What's the range of 37000 and 45000
Galina-37 [17]
Range:  Subtract <span>37000 from 45000 and you'll have it.</span>
8 0
3 years ago
Quadrilateral ABCD is rotated 270° clockwise about the origin. What are the
nirvana33 [79]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
G(x)=(x^2+1)(3x-5) what is the value of g(4)?
MAVERICK [17]

g(x) = x^2 + 1(3x - 5)

<em><u>Replace all x's with 4.</u></em>

g(4) = 4^2 + 1(3 * 4 - 5)

g(4) = 16 + 1(12 - 5)

g(4) = 17(7)

g(4) = 119 (This is your answer.)

5 0
3 years ago
Does anybody no what is 19+9 is?
Licemer1 [7]
28

step by step
19+9=28
5 0
3 years ago
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