1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
8090 [49]
3 years ago
15

Y= -(x - 1)(x + 3) has how many real roots?

Mathematics
1 answer:
olchik [2.2K]3 years ago
3 0

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

You might be interested in
A 4 in. by 5 in. photo is enlarged so that its width (shorter dimension) is 5 in. What is the length of the enlarged photo? 5.25
Papessa [141]

This problem can be solve by using ration and proportion, since you want to enlarge the picture by not distorting the image, the new dimensions should be in proportion with the old one.

Let x be length of the image

(5/40 = (x/5)

X = 5(5/4)

<span>X = 6.25 in</span>

3 0
4 years ago
G(x) = -10x – 8<br> a function
wlad13 [49]

Answer:

yes that is a function and not an equation

7 0
3 years ago
If a cone has the same diameter and height as a cylinder, how many cones filled with water can the cylinder hold?
Allushta [10]

Answer:

3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find two consecutive integers whose sum is 19
Lena [83]
The answer is 9 and 10.
4 0
4 years ago
Read 2 more answers
What is the nearest tenth to 4 .86​
ra1l [238]

Answer:

4.86 is rounded to the nearest tenth is...

Step-by-step explanation:

4.9

5 0
3 years ago
Read 2 more answers
Other questions:
  • The height of a triangle is 4 4 times the base. the area is 50 50 square inches. find the base.
    6·1 answer
  • If you have two pennies, the probability of both coming up heads when flipped is _____.
    13·2 answers
  • If a central angle measures 87Á, then its arc will measure _____.
    7·2 answers
  • LASTTT ONE PLEASEE IM TRYNA GO TO BED AND WHOEVER HELPS ME HOPE YOU HAVE A WONDERFUL DAY TMR LOVE YOU!:)
    8·2 answers
  • Nora and Lila are reading the same novel for book club. Nora is on page 128 and plans to read 8 pages per day until the next clu
    12·1 answer
  • What is clustering?
    7·2 answers
  • Are these proportional? <br> Yes | No
    7·2 answers
  • Is this correct people?
    10·2 answers
  • HELP PLEASE In this polygon, all angles are right angles. What is the area of this polygon? Enter your answer in the box. ft² Po
    9·2 answers
  • A youth sports league held various fundraisers. They received $350 from a car wash, $337 from a bake sale, and $490 from a used
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!