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Vadim26 [7]
3 years ago
8

Select all equations whose graphs have a vertex with x-coordinate 2

Mathematics
1 answer:
iren2701 [21]3 years ago
8 0

Answer:

C

Step-by-step explanation:

because you have to foil then do -b/2a

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 Write a function with a zero of 1/2 . Explain how you know.
nalin [4]

Answer:

Simplest function is f(x) = 2x - 1

Step-by-step explanation:

When a function has a zero, simply put, that point is where the graph goes through the x-axis.  At this point, the y value is 0.

If a function has a 0 of 1/2, that translates to x = 1/2 and also (1/2, 0).  That means that y = 0 when x = 1/2.

If x = 1/2 and is a zero, then x - 1/2 = 0 and 2x - 1 = 0 (notice that y = 0 here and solving for x would get you right back to x = 1/2).

The simplest function with a zero of 1/2 is

f(x) = 2x - 1

You know it is true that the zero is 1/2 for two reasons.  First one is to set the right side equal to 0 and solve for x.

The second one is to graph the line y = 2x - 1 and see that it goes through the x axis at 1/2 where y = 0.

6 0
4 years ago
Pls help <br><br>will give the crown of correct
tangare [24]

Answer:

a) <u><em>The watch is cheaper in Geneva.</em></u>

b)  <u><em>The watch is cheaper by £20</em></u>

Step-by-step explanation:

a) In which city is the watch cheaper?

Step 1. Translate Pounds into Swiss Francs.

£145 * 1.55 = 224.75 CHF

Step 2. Determine which price is higher.

224.75 is greater than 193.75.

Step 3. Always answer a Word problem in complete sentences.

<u><em>The watch is cheaper in Geneva. </em></u>

b) By how much is it cheaper?

224.75 - 193.75 = 31

Translate CHF to Pounds.

31 / 1.55 = 20

<u><em>The watch is cheaper by £20.</em></u>

3 0
3 years ago
What is the complete factorization of the polynomial below
kompoz [17]

Answer:

B

Step-by-step explanation:

(x+2)(x^2+1)

=(x+2)(x+1)(x+1)

6 0
3 years ago
Read 2 more answers
Please help solve 5+1×10=?
Stels [109]

Answer:

15

Step-by-step explanation:

pemdas

multiply first 1x10=10

then add 5+10=15


3 0
3 years ago
Read 2 more answers
Which polynomial function has a leading coefficient of 2, root 4 with multiplicity 3, and root 10 with multiplicity 1?
serious [3.7K]

Answer:

Step-by-step explanation:

Yes

8 0
3 years ago
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