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kondor19780726 [428]
3 years ago
6

GIVING BRAINLIEST!!!

Mathematics
1 answer:
mezya [45]3 years ago
8 0

Answer:

D, (6,1), (8,8), (12,22), (20,50)

Step-by-step explanation:

Hope this helps!! :D

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What are the roots of the polynomial equation?<br><br> x2−14x−32=0
Dmitry [639]

We are given the quadratic equation :

x^{2} -14x-32=0

Now let us use AC method to factorise it.

Step 1:

Find product of A and C

A=1 and C =-32

A*C =-32

Step 2:

Find factors of -32 such that they add up to give -14.

Factors of -32 that add up to give -14 are -16 and 2.

Step 3:

Rewrite the equation using factors found in step 2.

x^{2} -16x +2x -32 =0

Step 4:

Factoring by grouping.

x(x-16) +2(x -16) =0

(x-16) (x+2) =0

Step 5:

Find roots.

x-16=0 gives x=16

x+2=0 gives x=-2

Answer : Roots of the given Polynomial equation are 16 and -2.


8 0
3 years ago
Read 3 more answers
-19.78 is rational or irrational
Bess [88]
Is irrational because Star with number more and 1.
7 0
3 years ago
Given the functionf(x)=0.5(3)^x, what is value of f-1(7)
gogolik [260]
Ok, a fun hack

if f⁻¹(a)=b then f(b)=a

so if f⁻¹(7)=b then f(b)=7

to find b, find x such that f(x)=7


7=0.5(3)^x
times both sides by 2 (or divide both sides by 0.5)
14=3^x
take log₃ of both sides
log_3(14)=x

f^{-1}(7)=log_3(13)
4 0
3 years ago
Which inequality represents all possible solutions of -12d2 -6?
qaws [65]

Answer:

f

Step-by-step explanation:

6 0
3 years ago
Solve each of the following equations. Show its solution set on a number line. Check your answers. 5−p+6=−8
olasank [31]
Add 8 to 5 and 6 on the left side of the equation. Put p on the right side. Answer is 19=p
8 0
3 years ago
Read 2 more answers
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