jennabnicole2002 jennabnicole2002

06-04-2020
Mathematics

contestada

1. Which of the following are solutions to x2 - 4x - 5 = 0? List all correct answers
a. -5
c. -1
b. 5
d. 1

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

06-04-2020

Answer:

c. -1

b. 5

Step-by-step explanation:

x^2 - 4x - 5 = 0

Factor

What two numbers multiply to -5 and add to -1

-5*1 = -5

-5+1 = -4

(x-5) (x+1) =0

Using the zero product property

x-5 =0 x+1 =0

x=5 x=-1

Answer Link

Otras preguntas

which equation has no solution A l4x-2l=-6B l-2-xl=9Cl3x+6l=6Dl-2x+8l=0

What is the scale factor of a triangle with a vertex of A (-6,4) that has been dilated with the center of dilation at the origin so the vertex of its image is a

What is the central idea of paines essay? How might this have impacted his audience?

Un mol de amoniaco Tiene una masa molar de 17 g y ocupa un volumen de 22.4 l qué volumen ocupa el 50 g amoniaco en condiciones normales de temperatura y presión

I need help with this question pls

The area of a rectangular field is represented by the expression 14x-3x^2+2y. The width of the field is represented by the expression 5x-7x^2+7y. How much great

The price of the box of 10 markers is $7. The price of the box of 24 markers is $14. All prices without tax, and the price of the boxes is the same. (hint: fill

1 mol super cooled liquid water transformed to solid ice at -10 oC under 1 atm pressure. a) Calculate entropy change of the system, surrounding and universe. (t

Which of the following ARE polynomials. Check all that apply

Read the excerpt from act 3, scene 1, of Julius Caesar. ANTONY. Post back with speed, and tell him [Octavius] what hath chanced. Here is a mourning Rome, a dang