hxtu hxtu
  • 17-01-2022
  • Mathematics
contestada

the quadratic equation -2w^2-6+80 will be zero when w equals

Respuesta :

brainsoft
brainsoft brainsoft
  • 17-01-2022

Answer:

Answer: x will be equal to 5 and -8

Step-by-step explanation:

[tex]{ \tt{ - 2 {w}^{2} - 6w + 80 = 0 }} [/tex]

» Divide all equation through out by -2:

[tex] { \tt{ {w}^{2} + 3w - 40 = 0}}[/tex]

» Factorise the equation quadratically:

[tex]{ \tt{(x - 5)(x + 8) = 0}} \\ { \tt{x = 5 \: \: and \: \: - 8}}[/tex]

Answer Link

Otras preguntas

what is the is area?
Recalling the Phosphorus Cycle You are a molecule of phosphorus. Choose a starting point in the phosphorus cycle and describe the process you would go through t
Divide 30 by half (½) and add 10. What is the answer??​
Since angle B is the largest angle, Line segment A C is the ________ side.
One way an author uses direct characterization is by telling the reader about the character through Owhat the character says. what the narrator says. what the c
please help me to answered it​
Which strategy was a key element of the Union victory in the Civil War? O A. Offering Confederate troops cash payments to join the Union side O B. Refusing to e
Which image is the best choice for convincing high school students to plant a tree on earth day ?
The truth table represents statements p, q, and r. Р 9 r A T T B T F C T T F F T F F F T F F DEFGH Mark this and return T T TE F T T F F Which statement is true
Which describes all of the values for which the graph is negative and increasing? all real values of x where x < -2 all real values of x where -2 < x <