Ask question

Ask question

All categories

brilliants [131]

3 years ago

13

Match each quadratic equation with its roots. Tiles a2-a+11+0

1 answer:

laila [671]3 years ago

7 0

To solve this problem you must aply the proccedure shown below:

You have the following quadratic equation: a^2-a+11=0 and to solve it you must apply the quadratic formula x=-b√(b^2-4ac)/2a

a=1
b=-1
c=11

The result is

a1=(1-i√43)/2
a2=(1+i√43)/2

The answer is:a1=(1-i√43)/2 and a2=(1+i√43)/2

You might be interested in

What the equation parallel to y=-1/5x +7 and containing the point(-10,-3)

Agata [3.3K]

The equation of line parallel to $y=-\frac{1}{5} x +7$ and containing the point(-10,-3) is $y=-\frac{1}{5}x-5$

Step-by-step explanation:

We need to write the equation parallel to $y=-\frac{1}{5} x +7$ and containing the point(-10,-3)

The standard form of point slope equation is:

$y=mx+b$

where m is slope and b is y-intercept

Comparing the given equation $y=-\frac{1}{5} x +7$ with standard form the slope is m= -1/5

Since the lines are parallel the slope of new line is m = -1/5

Now finding b (y-intercept)

Using slope m=-1/5 and point (-10,-3)

$y=mx+b\\-3=-\frac{1}{5}(-10)+b\\-3=2+b\\b=-3-2\\b=-5$

So, b= -5 and slope = -1/5 the equation of new line is:

$y = mx+b\\y=-\frac{1}{5}x-5$

So, The equation of line parallel to $y=-\frac{1}{5} x +7$ and containing the point(-10,-3) is $y=-\frac{1}{5}x-5$

Keywords: Point Slope form

Learn more about point slope form at:

#learnwithBrainly

7 0

3 years ago

Hi how your day going if it good and you have time then help me please

kherson [118]

Answer:

My day is going good so far

Anyways, the answer is 7 21/25

Step-by-step explanation:

4 + 8/5 + 8/5 + 16/25 =

4 + 16/5 + 16/25 =

4 + 80/25 + 16/25 =

4 + 96/25 =

4 + 3 + 21/25 =

7 + 21/25 =

7 21/25

6 0

3 years ago

Read 2 more answers

ASAP!! PLEASE NEEDS TO BE ANSWERED TODAY

olganol [36]

Answer:

20.7 units

Step-by-step explanation:

The reading is:

-20.7

So, 20.7 units below the water's surface

8 0

3 years ago

Read 2 more answers

What are the coordinates of the circumcenter of a triangle with vertices A(4,10), B(10, 10) , and C(10, 2) ?

const2013 [10]

Answer:

(7,6)

Step-by-step explanation:

Triangle ABC with vertices at points A(4,10), B(10, 10) , and C(10, 2) is a right triangle with the hypotenuse AC.

The circumcenter of the right triangle is the midpoint of the hypotenuse.

Find the coordinates of the midpoint O of the hypotenuse AC:

$x_O=\dfrac{4+10}{2}=7\\ \\y_O=\dfrac{10+2}{2}=6$

So, O(7,6)

4 0

4 years ago

3 . Which list of numbers is ordered from least to

mihalych1998 [28]

Answer:

it’s C. 0.02,0.2.1/2, 2 1/2

6 0

3 years ago