mcdaniel932 mcdaniel932

23-03-2021
Mathematics

contestada

Solve the quadratic equation by using either a numeric or a graphic approach.

Solve the quadratic equation by using either a numeric or a graphic approach class=

Respuesta :

surjithayer10otahza surjithayer10otahza

23-03-2021

Answer:

C

Step-by-step explanation:

x²-14x-49=0

x²-14x+49=49+49

(x-7)²=98

(x-7)²=49×2

x-7=±7√2

x=7+7√2=7(1+√2)≈7(1+1.414)≈7(2.414)≈16.898≈16.9

or

x=7-7√2=7(1-√2)≈7(1-1.414)≈-7×0.414≈-2.898≈2.9

Answer Link

Otras preguntas

The sum of two consecutive positive integers is 71 find the two positive integers

write 4 litres 150 ml to the nearest half a lirter

Why did Senator Vandenberg oppose the policy of cash and carry?.

In the process of genetic engineering, what is the correct order of the steps? A. DNA separation, DNA extraction, and cutting DNA B. DNA extraction, cutting DNA

I have a problem can you help me on it its math its select the difference of (2x^2 -13x+7)-(1-12x)= this is were I have my problems can you help me

Where are most seafloor spreading centers located?.

I am a decimal If you double me,my double is between 0.6 and 0.7, But closer to 0.6. My Thousandths digit is not a 2. But the thousandths digit of my double is.

Enter the molecular formula for butane, C4H10. express in a chemical formula

how do cells in multicellular organism get the resources they need to stay alive?

Why did Senator Vandenberg oppose the policy of cash and carry?.