alexisgoff alexisgoff

18-05-2021
Mathematics

contestada

Solve for x.

x2 + 4x - 21 = 0

A.) -3,-7
B.) -3,7
C.) 3,-7
D.) 3,7

Respuesta :

dronslover dronslover

18-05-2021

Answer:

x=3 or x= −7

Step-by-step explanation:

Answer Link

goddessboi goddessboi

18-05-2021

Answer:

C) 3,-7

Step-by-step explanation:

x² + 4x - 21 = 0 (Given)

(x+7)(x-3) = 0 (Factor)

x+7 = 0 and x-3 = 0 (Zero Product Property)

x = -7 and x = 3 (Final Solutions)

Therefore, C is correct

Answer Link

Otras preguntas

How many moles of magnesium is 1.25 x 1023 atoms of magnesium?

The Flintstone and Rubble families went out to dinner. The Flintstones purchased 3 cheeseburgers and 2 hotdogs for $19. The Rubbles purchased 2 cheeseburgers an

What are all living things made of?

Romeo Compares Juliet to a snowy dove trooping with crows how does this contribute to the reverent tone of the passage? hlp pls

HELP ME, THE MIDPOINT OF AB IS M (-4,-7). If the coordinates of A are (-7,-6) what are the coordinates of B?

m = -8, y-intercept = 2

NO LINKS!!! Find the coordinates of point on the directed segment from (1,6) to (-2,-3) that divides it into a ratio of 5:1. a. (-1.5,-1.5) b. (1.5, 1.5) c. (-1

PLEASE HELP!! What process is illustrated in the figure?

I need help So for the past 2 years I feel nothing. When I mean nothing I mean NOTHING. I can't sleep. I've been staying awake and only sleeping for a few hour

Answer the questions below to test your knowledge regarding the roles of the prosecution and the defense. Which of the following is considered a responsibility