kaylijocombs
03.02.2020 •
Mathematics
Use the discriminant to describe the roots of each equation. then select the best description.
x^2-5x+7=0
a.) double root
b.) real and rational roots
c.) real and irrational roots
d.) non-real roots
Solved
Show answers
More tips
- C Computers and Internet The Twitter Phenomenon: What it is and How to Use it...
- C Computers and Internet How to Choose a Laptop: Expert Guide and Tips...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- C Computers and Internet How to Learn to Type Fast?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
- F Family and Home How to Get Rid of Your Neighbors?...
- S Society and Politics How Could Nobody Know About the Dead Mountaineers?...
Answers on questions: Mathematics
- M Mathematics 1. which of the following is true and radio waves? a. they have high energiesb. they reveal hot gasses c. they can penetrate dist clouds d. they have short wavelengths2....
- M Mathematics Which system of equations can be used to find the roots of the equation 4x^5-12x^4+6x=5x^3-2x? a). y=-4x^5+12x^4-6x and y=5x^3-2x b). y=4x^5-12x^4+5x^3+4x and y=0...
- M Mathematics List all of the number sets that contain the number -8...
- M Mathematics Business owner pays $ 1,200 per month in rent and total of $120 per hour in employee salary for each hour the store open. on average, the store brings in $ 200 in...
- M Mathematics Jake bakes and sell apple pies. he sells each pie for $5.75. the materials to make the pies cost 40$. the boxes jake pits the pies in cost $12.50 total. how many...
- M Mathematics Arectangle is dilated by a factor of 1/5. the area of the new rectangle is 4 square yards . what could be the dismension of the original rectangle...
- M Mathematics Jenifer has 4/5 as many pictures on her camera as luisa does jennifer has 28 pictures on her camera . how may pictures do jennifer and luisa...
- M Mathematics The graph of y = srtqx is translated. the translation is defined by (x + 1, y – 2). which is the graph of the translated image?...
- M Mathematics The functions f and g are defined as follows f(x)=5x+3/6x+7 and g(x)= square root sign x^2-4x find f(6/x) and g(x-4)...
- M Mathematics For the polynomial f(x)=2x^4-8x^2+7x-25...
Ответ:
5^2 -4*1*7
25-28= -3
Since the discriminant is negative the answer will be D non real roots.
Ответ:
Hope this helps