subject

Mathematics, 09.02.2021 19:20 hi105

Question 4 of 10 Find the discriminant and the number of real roots for this equation.
x2 + 2x + 7 = 0
O A. -24; one real root
O B. -24; no real roots
O C. 28; two real roots
O D. 28; one real root
Please help me

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 19:00

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Answers: 2

question

Mathematics, 21.06.2019 19:30

Identify the number 127 as a rational or irrational. explain

Answers: 2

question

Mathematics, 21.06.2019 20:00

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?

Answers: 2

question

Mathematics, 21.06.2019 21:00

If a is a nonzero real number then the reciprocal of a is

Answers: 2

You know the right answer?

Question 4 of 10 Find the discriminant and the number of real roots for this equation.
x2 + 2...

Questions

question

Mathematics, 17.08.2019 03:10

Show me how to work the equation for 6×+20=-4...

question

Mathematics, 17.08.2019 03:10

can anyone look over the questions that i did and see if they are correct. they are most likely wrong but with the other ones.

question

Mathematics, 17.08.2019 03:10

An expression is shown.5 x 20 x 10²what is the value of the expression?...

question

Mathematics, 17.08.2019 03:10

F(x) = x-5 g(x) = x^2 – 12/ x^2 +4 write g(f(x)) as an expression in terms of x....

question

Mathematics, 17.08.2019 03:10

i learned this 2 years ago but totally forgot.

question

Mathematics, 17.08.2019 03:10

Identify the decimal with the largest value in the following set. 0.7, 0.67, 0.86, 0.0025....

question

English, 17.08.2019 03:10

How should leon begin documenting this public health issue?...

question

Mathematics, 17.08.2019 03:10

Anumber has three digits. the number is less than 140.the number has 7 as a factor. the number is even. the sum of the digits is less than 9. what’s m...

question

Physics, 17.08.2019 03:10

Dreams where individuals find themselves muse in awkward or embracing situations represents...

question

English, 17.08.2019 03:10

In the 1500s, what did the portuguese do to capitalize on the lucrative sugar business...

question

History, 17.08.2019 03:10

What is the expanded form of x0 pls asap have give in 45 minutes...

question

Mathematics, 17.08.2019 03:10

Show me how to work the equation 9h+8-12=-40...

question

Mathematics, 17.08.2019 03:10

How many significant figures are in 10.65922...

question

Mathematics, 17.08.2019 03:10

There are 12 students in a classroom, including the triplets...

question

Chemistry, 17.08.2019 03:10

How many experiment are necessary to invalidate a scientific hypothesis...

question

Chemistry, 17.08.2019 03:10

Which shows the correct order of increasing trophic level, from producer to tertiary consumer? fungi, deer, wolf, grass fungi, grass, wol...

question

Arts, 17.08.2019 03:10

5. what was the works progress administration?...

question

English, 17.08.2019 03:10

15 words used by other/society who might not know you very well ( i. e thug, lazy, stereotypes, prejudice etc). me idk what to do...

question

Mathematics, 17.08.2019 03:10

The result of which expression will best estimate the actual product of (-4/5) (3/5) (-6/7) (5/6)? a (-1) (1/4) (-1) (-1) b (-1) (1/2) (...

question

History, 17.08.2019 03:10

Were slaves consider citizens of the united states...

More questions: Mathematics Another questions