kaileefpalacioox6hx4 kaileefpalacioox6hx4
  • 03-07-2020
  • Mathematics
contestada

What are the zeros of f(x) = x^2 + x - 20?
A. x= -4 and x = 5
B. x= -2 and x = 10
C. x= -5 and x = 4
O D. x= -10 and x = 2

Respuesta :

kamraaa
kamraaa kamraaa
  • 03-07-2020
x² + x - 20
= (x+5)(x-4)

x + 5 = 0
x = -5

x - 4 = 0
x = 4

hence the answer is C
Answer Link

Otras preguntas

Five divided by 8765
What is the area of a square that has a side length of 4x
In succession 6, 18, 21, 63, 66, the number that follows is ...
u(x)=−5x+5 w(x)=5x-3 Find the value of u(w(5))
What legislation unified support for the suffrage movement?
Why is using kilometers a problem in space?
Help with this question
Many chemical reactions in cells take place on enzymes. The reactants bind to the enzyme until the reaction is complete. These reactants are called substrates.
A coat hanger is in the shape of isosceles triangle ABC shown in the figure. Sides AB and BC are congruent. If m=<BAC=22 degrees then m<ABC= ____ degrees
What is the common ratio of the geometric sequence: -1/12, -1/2,-3,-18...? A: -1/6 B: 1/6 C: 6 D: -6