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Marina CMI [18]
2 years ago
8

A polynomial function P(x) with rational coefficients has the given roots. Find two additional roots of P(x)= 0, 7- 5 squared an

d -2i
Mathematics
1 answer:
galben [10]2 years ago
4 0

Answer:

2 & +2i

Step-by-step explanation:

The two additional roots of the polynomial functions are:

1. 7-5 = 2

2. Irrational root of a polynomial functions are always in pairs, hence

- 2i will have +2i as its pair

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Write the equation of a line perpendicular to 2x + 3y = 4 and passing through (-3,-5).
Tasya [4]

Answer:

Step-by-step explanation:

A line perpendicular to the given line has a slope that is the negative inverse of the reference line.  

Rewrite the given equation in the format of y=mx+b, where mi is the slope and b is the y-intercept (the value of y when x = 0.

2x + 3y = 4

3y=-2x+4

y = -(2/3)X + (4/3)

The reference slope is -(2/3).  The negative inverse is (3/2), which will be the slope of a perpendicular line.  We can write the new line as:

y = (3/2)x + b

Any value of b will still result in a line that is perpendicular.  But we want a value of b that will shift the line so that it intersects the point (-3,-5).  Simply enter this point in the above equation and solve for b.

y = (3/2)x + b

-5 = (3/2)(-3) + b

-5 = -(9/2) + b

-5 = -4.5 + b

b = - 0.5

The equation of the line that is perpendicular to 2x + 3y = 4 and includes point (-3,-5) is

y = (3/2)x - 0.5

6 0
1 year ago
Marie plants flowers in a planner that is 1 1/2 feet long and and 1 1/2 wide she plans tocover the entire area with fertilizer h
love history [14]
She needs to cover 17&1/4 ft^2

Explanation:
You need to multiply the lxW in order to get the area.
6 0
3 years ago
The length of a rectangle exceeds the width by 2 cm . If the diagonal is 10 cm long , find the width of the rectangle .
Rainbow [258]
Width= 6 cm
Length = 8cm

4 0
2 years ago
The Yasuda family bought a toy that cost t dollars and a game that cost g dollars. Both were on sale. Which of these methods cou
zmey [24]

The equation that the clerk can use to calculate their total bill is t + g.

<h3>How to illustrate the equation?</h3>

From the information given, Yasuda family bought a toy that cost t dollars and a game that cost g dollars.

The equation to calculate their total bills will be:

= t + g

where,

t = cost of toy

g = cost of game.

In this case, the equation that the clerk can use to calculate their total bill is t + g .

Learn more about equations on:

brainly.com/question/2972832

#SPJ1

7 0
2 years ago
(2X+3)^3<br>Can anyone answer this ?
IrinaK [193]
I hope this helps you

6 0
2 years ago
Read 2 more answers
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