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likoan [24]
3 years ago
10

HELP PLZ!!!!!!!!!!!!!!!

Mathematics
2 answers:
Andru [333]3 years ago
7 0
B is correct ..............
ExtremeBDS [4]3 years ago
6 0
I believe it is A or B
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what is true about the solutions of a quadratic equation when the radical in the quadrant formula is negative
lisov135 [29]

Since the square root of a negative number is not a real number, then a negative radical will result in no real solution.

3 0
3 years ago
Can anyone help me with this
Sedbober [7]

Answer:

x=0, - 9

Step-by-step explanation:

x^2+9x=0

x(x+9)=0

x=0 or x=-9

8 0
2 years ago
Read 2 more answers
Johnny has 6 apples and Mary has 6 apples how many times would that equal
iogann1982 [59]
36 would be your answer
4 0
3 years ago
How many times does the equation f(x)=2x^2+9x-5 intersect the x-axis
Komok [63]

Answer:

2

Step-by-step explanation:

f(x)=2x^2+9x-5

When we are find how many times it intersects the x axis, we are finding the zero's. Set the equation equal to zero

0=2x^2+9x-5

Factor the equation

0 = (2x+1) (x-5)

2*1

1*-5 = -5

2*-5 +1*1 = -9

This checks for the first last and middle terms so we factored correctly

Then using the zero product property

2x+1 = 0 and x-5 =0

2x = -1    x=5

x = -1/2  and x=5

This function crosses the x axis 2 times

8 0
3 years ago
Please help for both questions
scoundrel [369]

Answer:

B, A

Step-by-step explanation:

In the first equation, if an unknown number plus 17 equals 66, then what step would you take?

For example, if an unknown number plus 2 equaled 3, then you would know that number is 1, right? What steps did you take to get that? You subtracted 2 from both sides.

In this example, if x + 17 = 66, then subtracting 17 from both sides gets us x = 49.

The same applies for the second example. If x minus 54 equals 125, then you would add 54 to get x = 179.

4 0
2 years ago
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