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
Solnce55 [7]
1 year ago
15

Why x^2=16 and x^2=-16 do not have the same solution

Mathematics
1 answer:
77julia77 [94]1 year ago
7 0

Step-by-step explanation:

x^2 = 16

x = ±4

x^2 = -16

x = -

as a negative number cannot be squareroot

You might be interested in
Enter the values of h and I so that y=x2+6x+10 is in vertex form<br> Y=(x+__)^2+___
DiKsa [7]

Use\ (a+b)^2=a^2+2ab+b^2\qquad(*)\\\\y=x^2+6x+10=x^2+2(x)(3)+10=\underbrace{x^2+2(x)(3)+3^2}_{(*)}-3^2+10\\\\=(x+3)^2-9+10=(x+3)^2+1\\\\Answer:\ \boxed{y=(x+3)^2+1}

3 0
3 years ago
the ratio of boys to girls at the beach cleanup was 7:8. If there were 43 boys, how many girls were there?
faltersainse [42]
I'm pretty sure there were 48 girls at the beach clean up. 43 ÷ 7 = 6.14 (6 cause there's not gonna be floating males with missing body parts). So we multiply 6 x 8 and we get 48.
7 0
3 years ago
You want to get a Dodgers shirt for Opening Day. The shirt you want is $36. Luckily, it is marked 25% off. You will have to pay
OlgaM077 [116]

Answer:

Part A

= $9

Part B

= $3.24

Part C

= $30.24

Step-by-step explanation:

Part A

= 36÷100x25

= $9

Part B

=36÷100x9

=$3.24

Part C

=36-9

=27

Then

=27+3.25

= $30.24

6 0
2 years ago
(5 •10^16) • (2.8 • 10^-7)
Gelneren [198K]
That's 7/3 =2.3333333
7 0
2 years ago
What is the factored form of each expression?<br><br> 20x + 35y
Tasya [4]
The factored form of 20x+35y would be 5(4x+7y). If you use the distributive property of multiplication, you can see that the expression has not changed. 
5 0
3 years ago
Other questions:
  • My mother pays my brother twice as much allowance as she pays me because he cleans the bathrooms. Together we get $24 each week.
    6·1 answer
  • Directions - For the graph, identify the key components and create a system of inequalities.
    15·1 answer
  • Yolanda owns 4 rabbits. She expects the number of rabbits to double every year.
    11·1 answer
  • Select the correct answer. Joe wants to enlarge the rectangular pumpkin patch located on his farm. The pumpkin patch is currentl
    13·1 answer
  • What is 30 percent of 20 in fraction form
    9·2 answers
  • EASY I AM JUST DUMB!! WILL GIVE BRANLIEST!!! HELP ASAP!!!!
    5·2 answers
  • If f(x)=3 x -1 and g(x)=0.03x^3-x+1 an approximate solution for the equation f(x)=g(x) is
    11·1 answer
  • Which expression is equivalent to 162x^4-144x^2+32?
    11·1 answer
  • Consider the table of input and output values shown. Drag a number to each box to complete the table of values to represent a
    13·1 answer
  • The terminal side of 0 is in quadrant II and cos 0 = -5/13. What is sin 0?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!