fryemarissa327 fryemarissa327

16-04-2020
Mathematics

contestada

x2 + 4x - 21 = 0 quadratic formula

Respuesta :

lupitag52 lupitag52

16-04-2020

Answer:

0

Step-by-step explanation:

x2 +4x-21=0. solve for x

[tex]x = \frac{7}{2} [/tex]

[tex]x = 3 \frac{1}{2} \ x = 3.5[/tex]

Answer Link

Otras preguntas

Look at this set of ordered pairs: (1, 18) (13, 8) (6, 6) Is this relation a function? yes no

Please answer. I will be picking the brainiest answer as well!

Hasan had ¾ of a page of math homework to do. He did 1/3 of a page after supper. How much math homework does Hasan have left to do?

What value of x makes the equation x+ 38 = 72 true?

When using the quadratic formula to solve 7x2 – 3x + 2 = 0, which number will be squared as part of the formula?

Pls help :(( I need help!! Its physics! motion and forces!

HELP FAST PLS a right triangle has the legs length 3x meters and 4x meters and a hypotenuse of length 75 meters. find the lengths of the legs of the triangle

jill was so scared she turned a shade of pale looking more like a ghost than a human

Can anybody help me it says, Model the force that would cause each velocity change.

Jay runs a successful high-end salon downtown and is looking to open a new location in a nearby suburb. He wants to research nearby competitors before committin