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alisha [4.7K]
3 years ago
14

Write the expression as a product: (x+3)2–1

Mathematics
1 answer:
daser333 [38]3 years ago
8 0

this is it..............

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In the third degree polynomial function f(x) =x^3 + 4x, why are 2i and -2i zeros?
IgorC [24]

Answer:

We just need to evaluate and get f(2i)=0, f(-2i)=0.

Step-by-step explanation:

Since i^2=-1, then i^3=i^2i=-i, and we can apply this when we evaluate f(x) =x^3 + 4x for 2i and -2i.

First we have:

f(2i) =(2i)^3 + 4(2i)=2^3i^3+8i=8(-i)+8i=0

Which shows that 2i is a zero of f(x).

Then we have:

f(-2i) =(-2i)^3 + 4(-2i)=(-2)^3i^3-8i=-8(-i)-8i=8i-8i=0

Which shows that -2i is a zero of f(x).

4 0
3 years ago
I need this question sovled asap y=200x+35,000
Svetradugi [14.3K]

Answer: look at the picture

Step-by-step explanation: Hope this help :D

6 0
3 years ago
30 yards = how many feet?
mrs_skeptik [129]

30 yards = 90 ft

3.5 pounds = 56 oz

3.5 cm = 18.8976 in

12ft and 10 inches (12.833333333333334 = 154 im

8 0
3 years ago
Read 2 more answers
What is the value of X? ​
katovenus [111]

Answer:

The horizontal value in a pair of coordinates: how far along the point is. The X Coordinate is always written first in an ordered pair of coordinates (x,y), such as (12,5). In this example, the value "12" is the X Coordinate. Also called "Abscissa"

Step-by-step explanation:

7 0
3 years ago
Help plz:) photo attached
bonufazy [111]

Answer:

y=5x+25

Step-by-step explanation:

Since the y intercept for the scatterplot is 25, that means that the only equation that matches the graph is y=5x+25

y=5(0)+25

y=0+25

y=25

7 0
3 years ago
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