michvellej89 michvellej89

02-10-2021
Mathematics

contestada

What is the number of real solutions of the equation 2x2 – 3x + 7 = 0?

Respuesta :

lizbethmaldonado2003 lizbethmaldonado2003

02-10-2021

2x2-3+7=0
-7. -7
2x2-3=-7
+3. +3
2x2=-4
/2. /2
2=-2
No real solution

Answer Link

Otras preguntas

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

(10y^3+20y^2+55y)/5y

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Can someone use the word delta in a sentence

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

what is the answer for (20,8),(9,16) ?