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GrogVix [38]
3 years ago
15

Find a polynomial of degree 3 with a real coefficient that satisfies the given condition. Zeros: -2, 1, 0; f(2)=32

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
8 0
Its factors would be
(x+2)*(x-1)*(x+0)

x^2 +x -2

x^3 + 0 + x^2 + 0 -2x +0

Equation: x^3 + x^2 -2x
f(2) = 8 + 4 -4

2x^3  + 2x^2  -4x +0
f(2) = 16 + 8 -8

3x^3  + 3x^2  -6x +0
f(2) =  24 +12 -12

4x^3  + 4x^2  -8x +0
f(2) =  32 +16 -16

So, the equation is:
4x^3  + 4x^2  -8x = 0




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Find the equation of the line that passes through the given point and has the given slope. (Use x as your variable.)
devlian [24]

Answer:

Slope form of line  y = 9

Step-by-step explanation:

m= 3

The y-intercept of the line that passes through the given point  (0,9) is

 9 = 3(0) + b

  b= 9

The equation of the line that passes through the given point  (0,9) is

y =mx +b

 y = 0 +9

y=9

4 0
2 years ago
What is the value of 2 in 0.259?
anastassius [24]
Ir's 0.2
or two tenths.
You can tell because it's in the tenths digit place, right next to the decimal.
3 0
3 years ago
Midpoint and distance formula zombie worksheet
Strike441 [17]

Consider two points in a two dimensional coordinate plane

(x_{1},y_{1})\text { and }  (x_{2},y_{2})

As you know mid point of a line joining two points is the coordinate of the middle point of only that portion of line joining between two points.

[tex]\text   { Mid point of  }  (x_{1},y_{1})\text { and }  (x_{2},y_{2}) =(\frac{x_{1}+x_{2}}{2} ,\frac{y_{1}+y_{2}}{2})[/tex]

As we know distance formula gives the Distance between line joining two points in two dimensional coordinate system.It is always positive.

[tex]\text   { Distance formula between two points  }  (x_{1},y_{1})\text { and }  (x_{2},y_{2}) =\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}[/tex]

Distance formula gives the distance between two points, whereas Mid point formula gives coordinate of the middle point.

3 0
3 years ago
For the function f(x)=8(x−3)+13, find the value of f(5) please help
Bas_tet [7]

Answer:

29

Step-by-step explanation:

f(x)=8(x−3)+13

f(5)= 8(5-3)+13

f(5) = 8(2) +13

f(5) = 16 +13

f(5)= 29

Hope this helps!

Please mark brainliest if you think I helped! Would really appreciate!

4 0
3 years ago
Read 2 more answers
(repost) Please help! It involves inequalities! Also please include a number line.
Likurg_2 [28]

Answer:

  -5 ≤ x

Step-by-step explanation:

2(x -3) -5x ≤ 9 . . . . . given

2x -6 -5x ≤ 9 . . . . . . eliminate parentheses

-3x -6 ≤ 9 . . . . . . . . combine like terms

-6 ≤ 9 +3x . . . . . . . add 3x

-15 ≤ 3x . . . . . . . . subtract 9

-5 ≤ x . . . . . . . . . divide by 3

__

The point x=-5 is included in the solution set, so there is a sold dot at that point. The rest of the solution set is values of x that are greater than that value, so the number line is shaded to the right of that point. Your number line should show an arrow at the right end of the graph to indicate it extends that direction indefinitely. (My graphing program doesn't draw arrows easily.)

_____

<em>Additional comment</em>

Perhaps the most straightforward way to solve this would have been to add 6 instead of 3x. That would give ...

  -3x ≤ 15

Then dividing by -3 would give x. That operation would reverse the inequality symbol (because the divisor is negative). Then you would have ...

  x ≥ -5

Either way works. We judge it to be less confusing when we don't have to change the direction of the inequality symbol.

6 0
2 years ago
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