jolinethane jolinethane
  • 22-01-2021
  • Mathematics
contestada

explain why the graph of [tex]y=2x^{2} +4x-k+1[/tex] has no x-intercepts when k=-5

Respuesta :

libbala5590
libbala5590 libbala5590
  • 22-01-2021
Since the equation then turns into y=2x^2+4x+5+1, the +5+1 moves the vertex higher up on the y axis, meaning there would be no x-intercepts
Answer Link

Otras preguntas

If 9(1-x) = 27 and x - y = -11/2, find the value of x + y.​
Temperature at 8AM was -8°. The temperature at 8 PM is 3º. What is the change in temperature from 8 AM to 8 PM?
Erik is bisecting a segment with technology. Which of the following describes his next step? ODrawa circle with a center C and a radius equal to CB. O Draw the
Determine the domain of the following graph:.....
I haven’t studied on this at all I need help lol
What is one benefit of fitness walking? O It is a low-impact activity. It is a high-impact activity. o It doesn't involve the cardiorespiratory system. O It str
True or False: Changes in the crust happen quickly and can easily be seen
What is the rewritten equation with an improper fraction for 3/4 divided by 1/2?
help me please help me
A certain competitive firm sells its output for $20 per unit. The 50th unit of output that the firm produces has a marginal cost of $22. Production of the 50th