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kati45 [8]
3 years ago
14

Find all the zeros of the quadratic function. y=x²-11x+18

Mathematics
1 answer:
maria [59]3 years ago
8 0
Y= (X-9)(x+2)
X=9
X=-2
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Step-by-step explanation:

angle 2 = 49

angle 1 = 131

angle 3 = 112

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3 0
2 years ago
Use induction to prove that 2? ?? for any integer n&gt;0 . Indicate type of induction used.
Hoochie [10]

Answer with explanation:

The given statement is which we have to prove by the principal of Mathematical Induction

    2^{n}>n

1.→For, n=1

L H S =2

R H S=1

2>1

L H S> R H S

So,the Statement is true for , n=1.

2.⇒Let the statement is true for, n=k.

      2^{k}>k

                   ---------------------------------------(1)

3⇒Now, we will prove that the mathematical statement  is true for, n=k+1.

     \rightarrow 2^{k+1}>k+1\\\\L H S=\rightarrow 2^{k+1}=2^{k}\times 2\\\\\text{Using 1}\\\\2^{k}>k\\\\\text{Multiplying both sides by 2}\\\\2^{k+1}>2k\\\\As, 2 k=k+k,\text{Which will be always greater than }k+1.\\\\\rightarrow 2 k>k+1\\\\\rightarrow2^{k+1}>k+1

Hence it is true for, n=k+1.

So,we have proved the statement with the help of mathematical Induction, which is

      2^{k}>k

                 

   

3 0
3 years ago
34 + 10 + 100 = 12 x 12 Is this correct?
Harrizon [31]

Answer:ig so

Step-by-step explanation:34+10+100=144

12x12=144 same thing

4 0
3 years ago
Read 2 more answers
7 7/8 - 3 1/4 equals what
ELEN [110]
The difference of 7 and 7/8 and 3 1/4 can be restated as the difference between 63/8 and 13/4. This is just a change from mixed numbers to improper fractions. 

We must now get a common denominator (the bottom part of a fraction). To get 8, we must multiply by 2 to the denominator of 13/4. Since we want this number to stay in the same value, we have to multiply the numerator by 2 as well (top part of the fraction). Therefore, we are getting the difference of 63/8 and 26/8. Doing this, we get (63-26)/8, so the answer is 37/8 = 4 5/8
3 0
3 years ago
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Solve the equation 2 cos x + 1 = 0 , 0 &lt;= x &lt;= 2pi PLEASE HELP! WILL AWARD!
Keith_Richards [23]
It would be pi over 6, 5 pi over 6, and 3 pi over 6.
6 0
3 years ago
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