anari98 anari98

13-04-2020
Mathematics

contestada

y= -(x - 1)(x + 3) has how many real roots?
Answer choices:
A.2
B. Cannot be determined
C.1
D.0

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

13-04-2020

Answer:

A.2

Step-by-step explanation:

y= -(x - 1)(x + 3)

To find the roots, set y=0

0 = -(x - 1)(x + 3)

Using the zero product property

x-1 =0 x+3=0

x=1 x =-3

There are 2 real roots

Answer Link

Otras preguntas

For a chemical reaction it is usually found that the reaction rate is faster at higher temperature. The rate increases because (a) the concentrations of reacta

Solve for x: |2x + 6| − 4 = 20

A circle is inscribed in a square. A point in the figure is selected at random. Find the probability that the point will be in the shaded region.

find the midpoint between each (8, -9) and (8, 5)

The record high January temperature in Austin,Texas ,90f .The record low January temperature -2f . Find the difference between the high and low temperatures

A question for the physicists out there:During a thunderstorm, the potential difference between the thunderclouds and the ground builds up to [tex]1.5*10^6[/tex

my problem says"Write two ratios equivalent to 3:11

Find the height h of the parallelogram.

2|x − 6| + 14 = 38 wont it give me x=18 and x=6 or ?

The record high January temperature in Austin,Texas ,90f .The record low January temperature -2f . Find the difference between the high and low temperatures