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
murzikaleks [220]
3 years ago
11

What is the solution set for the quadratic equation x squared - 16 equals 0

Mathematics
2 answers:
insens350 [35]3 years ago
8 0
x^2-16=0 \\\\ (x-4)(x+4)=0 \\\\\\ \#1 \\\\ x+4=0 \\\\ \boxed{x=-4} \\\\ \#2 \\\\ x-4=0 \\\\ \boxed{x=4} \\\\\\ \boxed{\boxed{S=\{ -4;4 \}}}
LenaWriter [7]3 years ago
3 0
X is either 4 or -4 because it is the square root of 16
You might be interested in
If a farmer wants to plough a farm field on time, he must plough 120 hectares a day. For technical reasons he ploughed only 85 h
natta225 [31]

Answer:

the farmer planned to have the work done in 6 days, and the area of the farm field is 120 times 6 = 720 hectares.

6 0
2 years ago
Does the point (–9, 8) satisfy the equation y = –x + 1?
Darina [25.2K]

Answer:

1. 3x+3y=9 since it is a coinciding line.It is equivalent because all the terms are multiplied by 3 from the original equation.

2. x-4=3x+4

x=3x+8

-2x=8

x=-4

y=-4-4

y=-8

please mark me brainlyest <i cant spell it i think i spelled it wrong lol >

8 0
1 year ago
PLEASE HELP I WILL GIVE BRAINLIEST! Mason already has 11 plants in his backyard, and he can also grow 1 plant with every seed
slava [35]

Mason needs 9 more seed packets to have a total of 20 plants in his yard.

Simplified:

20-11=9

6 0
2 years ago
I need help with this pleaseee
Over [174]

Answer:5 percent

Step-by-step explanation: subtract new amount minus old amount then divide then make the decimal you get into and change to a percent

6 0
2 years ago
Drew has 50 red, green, and blue marbles. He has six more red marbles than blue marbles and four fewer green marbles than blue m
Yanka [14]
Drew has 56 Red Marbles, 56 Green Marbles, Drew has about 60 Blue Marbles. First i added 6 to Red since Red Has 6 More Marbles Than Blue, Then i added Subtracted 4 from green, which resulted in 46 Green Marbles. Finally i added 4 and 6 to get 60 Blue Marbles. I am not sure if i am correct, but i gave it a shot! ^-^
4 0
2 years ago
Other questions:
  • Point j(-2,1) and point K(4,5) form line segment JK. For the point P that partitions JK in the ratio 3:7, what is the y- coordin
    5·2 answers
  • 74. What is the slope of the line 6x – 3y = 54 ?.
    15·2 answers
  • Math i need help<br>please​
    13·2 answers
  • A student participates in a Coke versus Pepsi taste test. She correctly identifies which soda is which four times out of six tri
    10·1 answer
  • Jose's ball is stuck on the roof of his home, which is 8 feet high. He wants to use a ladder to climb up and get his ball. If he
    13·1 answer
  • Help me help me help me help me help me help me help me help me help me help me help me help There is more than one answer
    15·2 answers
  • Calculate and express your answer in Decimal from 1/2×17
    12·2 answers
  • Could someone help me with this?
    5·1 answer
  • Factor the expression: 6a + 24
    7·2 answers
  • Which of the following are mutually exclusive events?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!