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Cloud [144]
3 years ago
7

Think about plotting points in the complex plane to represent the following numbers: -3+8i, 4i, 6, 5-2i. (on the horizontal axis

, on the vertical axis, quadrant 1, quadrant 2, quadrant 3, quadrant 4)
Mathematics
2 answers:
9966 [12]3 years ago
8 0
For this case we represent in the complex plane numbers of the form:
 a + bi
 
Where,
 a: real part
 bi: imaginary part
 We represent the real part on the x axis.
 We represent the imaginary part in the y axis.
 Therefore, for the following numbers we have:
 -3 + 8i: quadrant 2
 4i: on the vertical axis
 6: on the horizontal axis
 5-2i: quadrant 4
Brut [27]3 years ago
8 0

Answer:

-3 + 8i: quadrant II

4i: on the vertical axis

6: on the horizontal axis

5-2i: quadrant IV

ON EDGE :)

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If f(x)=-8x+8 and g(x)= x-9 what is (f g)(18)
Georgia [21]

Answer:

-8x^2+8(10x)-72

When x=18

-8(18×18-(10×18)+9)

-72(36-20+1)

17×(-72)

=-1224

5 0
3 years ago
What is the distance between z1 = 5 - 2i and z2 = 8 + i?<br><br> 3√2<br> 13.3<br> 2√3<br> 18
LiRa [457]

Answer:

d=2√10

Step-by-step explanation:

The distance between the two points will be given by:

d=√[(x-x1)^2+(y-y1)^2]

point z1=(3-2i) has the coordinates of (3,-2)

point z2=(5-8i) has the coordinates of (5,-8)

thus the distance between them will be:

d=√[(-8-(-2)²+(5-3)²)]

d=√[(-6)²+2²]

d=√(36+4)

d=√40

d=2√10

6 0
3 years ago
Given the diagram above, m∠Z is:
Mama L [17]

Answer:

z = 120º

Step-by-step explanation:

t + 2t + t + 2t = 360º

60 + 2(60) + 60 + 2(60) = 360

t = 60

2t = z

z = 120º

This is all based on the fact there there are 360º in a quadrilateral.

5 0
3 years ago
What is the range of f(x) = (3/4)x – 4?
ale4655 [162]
<span>{y | y < 3/4}!!!!!!!!!!!!!!!

</span>
6 0
4 years ago
1.5x-6=9 what is the number for x​
Svet_ta [14]

Answer:

x=10

Step-by-step explanation:

1.5x-6=9

     +6  +6

1.5x=15

/1.5    /1.5

x=10

5 0
4 years ago
Read 2 more answers
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