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salantis [7]
3 years ago
5

A 2-column table with 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is l

abeled f of x with entries 21, 10, 5, 6, 13.
Which quadratic function is represented by the table?

f(x) = 3x2 + 2x – 5
f(x) = 3x2 – 2x + 5
f(x) = 2x2 + 3x – 5
f(x) = 2x2 – 2x + 5
Mathematics
2 answers:
fenix001 [56]3 years ago
8 0

Answer:

its b

Step-by-step explanation:

Ira Lisetskai [31]3 years ago
4 0

Answer:

It's B

Step-by-step explanation:

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Write a quadratic equation in the form x² + bx+c=0 that has the following
vfiekz [6]

Answer:

x^2-6x+5

Step-by-step explanation:

To have roots at x=5 and x=1 you need to write is as follows

(x-5)(x-1)

you then need to multiply these two and get

x^2-6x+5

7 0
3 years ago
If triangle ABC is isosceles and triangle DBE is equilateral what is the measure of angle C
luda_lava [24]

Answer:

43°

Step-by-step explanation:

For triangle ABC:

A = C so all we need to do is to calculate the value of B

The measure of angle ABD is given as 17° so the measure of angle EBC must be 17° as well

Since DBE is an equilateral triangle angle is DBE = 60°

17 + 17 + 60 = 94 this is the measure of angle B

The sum of interior angles in a triangle is equal to 180

A + B + C = 180

A + C + 94 = 180

A + C = 86 since A = C we divide 86 by 2

C = 43°

6 0
2 years ago
Ignore my answer <br> it probably isn't right
notka56 [123]
The answer to your question is 30\3. hope you have a good day. and make sure you eat and drink something.
3 0
3 years ago
Simplify the following question
fiasKO [112]

Answer:

<em>−  2sin(b) / cos(2b)</em>

​

Step-by-step explanation:

DIFFERENTIATE W.R.T. B is a different method entirely

We simply add together the numerators and set with 2cos

then keep this number and add to sinb and square it.

then repeat initial 2 + cosb ^2 but instead of multiplying its add.

Then set the whole division to -sin (2b) squared then +1

<em> −  2cos(b)(3(sin(b))^2+(cos(b))^2)  /  −(sin(2b)) ^2 +1  </em>

​

 

5 0
2 years ago
Picture of reflected trapezoid above the line
asambeis [7]

Answer:

which line!

x or y axis?

first image is over the x axis

second is over the y

Step-by-step explanation:

HOPE THIS HELPS, BRAINLIEAST PLZZ

3 0
3 years ago
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