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Margarita [4]
3 years ago
11

How many real solutions does p^2-5p+7=0 have

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

Let's  work out the discriminant  b^2 - 4ac:-

D =  (-5)^2 - 4*1*7  =  25 - 28 = -3

A negative discriminant  shows that there are NO real solutions Answer

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irina1246 [14]
1/2=36/72
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7 0
4 years ago
On a piece of paper, graph f(x) = 3^x Then determine which answer choice
Delicious77 [7]

Answer:  Make a chart of x values and corresponding outputs as y-values

Plot the points, draw the curve

Step-by-step explanation: Example of chart

x .   y

-1 .   1/9

0     1

1 .    3

2 .   9

3 .    27  

Once you do this you will have something similar to graph a or b.

It is difficult to tell from the photo; which graphed curve passes through (2,9) ?

4 0
3 years ago
Read 2 more answers
I NEED THIS ANSWER AAAAA
enyata [817]
The answer is 400 because 40.00*8.5 is 340.00. Add on the 60 dollar service charge and get 400.00.

Hope this helped :)
5 0
3 years ago
Find the zeros or roots for the quadratic expression 2^2−8−10. Must show all work to receive credit
Sav [38]

Answer:

x = -1,5

Step-by-step explanation:

2x² - 8x - 10

2x² - 10x + 2x - 10

2x(x - 5) + 2(x - 5)

(x - 5)(2x + 2)

x = 5 x = -2/2

x = -1,5

5 0
3 years ago
Write each proof as a two column proof​
Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

What can be used as a statement in a two column proof?

A two-column proof consists of a list of statements, and the reasons why those statements are true. The statements are in the left column and the reasons are in the right column. The statements consists of steps toward solving the problem.

8 0
3 years ago
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