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Maru [420]
3 years ago
8

Which expression is equivalent to (4+6i)^2

Mathematics
1 answer:
Talja [164]3 years ago
3 0

answer is A.) -20+48i

hope this helps

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Please help with this
ioda

Answer:

Some have multiple choices. See below for additional comments.

  • a) iii
  • b) i
  • c) v
  • d) ii
  • e) iv

Step-by-step explanation:

i -- slope-intercept form. Shows the slope and the y-intercept

ii -- slope-intercept form. Shows the slope and the x-intercept

iii -- intercept form. Shows both the x- and y-intercepts

iv -- standard form.

v -- point-slope form. Shows the slope and one point on the line.

vi -- another point-slope form. Shows the slope and one point on the line

__

With the above forms in mind, ...

a) both intercepts are best shown in form iii

b) the slope is shown in forms i, ii, v, vi. Form i is the most uncluttered.

c) points are shown in forms v and vi. Form v may be least confusing.

d) the sign can be readily determined in form ii.

e) testing the given point is easily done using forms ii and iv. Form iv may be the best for this.

_____

<em>Additional comments</em>

Since each of these forms of the equation has utility in different situations, it can be worthwhile to learn the different forms. For example, I like the standard form for making perpendicular lines, though any of the "slope-" forms can be useful for that, too. The useful form to start with will be the one that best relates to the information given. (For two points given, there is a "2-point form" not shown here.)

6 0
3 years ago
Find value of the variables#7
RideAnS [48]
Because of exterior angles theorem, y=39+65, so y=104
x and y are a linear pair, so they add up to 180. x=180-104, x=76
all angles in a triangle add up to 180, so 21+104+z=180. therefore, z=55

y=104
x=76
z=55
3 0
3 years ago
Can someone help with these 3?
cricket20 [7]
1. (-35fi) + 12 + 3i 
2. i - 1 + 6i (squared) over i
5.  is 0 i think 
 hope this helped a little bit
7 0
3 years ago
Which of the following tells how to change a measurement from meters to millimeters.
velikii [3]

Answer:

Divide by 1,000

Step-by-step explanation:

To get down from each level in the metric system, you need to divide by ten, Millimeters are 3 steps down from  meters so you need to divide by 1000.

8 0
3 years ago
Please please please help me! I don't understand division at all I don't know what's wrong with this I'll give brianliest to mos
STALIN [3.7K]

Answer:

The first problem

12.3

18.0

=30.3

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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