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
kodGreya [7K]
3 years ago
8

PLEASE HELP!!! I NEED THE ANSWER SOON :)

Mathematics
1 answer:
densk [106]3 years ago
4 0
y=2x \newline y= x^{2} -3

Substitue 2x for y in the second equation:

2x= x^{2} -3

Rearrange to a x^{2} +bx+c=0 form:

x^{2} -2x-3=0

Factor:

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

Zeros are x=3 and x=-1

To find y-coordinates of pts of intersection, plug these x-values into first equation to get y=-2 and y=6
You might be interested in
You have $3 and earn $7.50 for each car you wash. Write an equation in two variables that represents the total amount a
worty [1.4K]

Answer:

f(x)= 7.5x + 3

Step-by-step explanation:

you have 3 dollars just there, and you get 7.50 per car wash, so that is the x

5 0
3 years ago
Evaluate the expression below:<br> bb-a)<br> for b = 8, a = 4<br><br><br> HS Math
kondaur [170]
The answer will be 60 because 8*8=64 then subtract 4
7 0
2 years ago
Read 2 more answers
Can someone PLEASE HELP I am on a unit test
Darina [25.2K]
C and the vertex is V (6,18)
6 0
3 years ago
Mr. Cooper purchased a night stand
Vladimir [108]

Answer:

V = lwh

31050 = 36(28)w

31050 = 1008w

w = 31"

Step-by-step explanation:

This is ez lol

6 0
3 years ago
I am not sure how to do this −(−2−5x)+(−2)=18
aivan3 [116]
(2+5x)-2=18
2+5x-2=18
5x=18

x=18/5= 3.6
4 0
3 years ago
Read 2 more answers
Other questions:
  • I'm studying for a test and got stuck on this problem. I took a screenshot !! Please help. I just need part C for number 5, I ge
    9·1 answer
  • Help!! Math question
    6·2 answers
  • Alan, Bill, and Calvin are playing a game with collectible cards. At the moment, Alan has 11 less than times the number of cards
    11·1 answer
  • Help Me need help please it is due today please help ASAP
    6·2 answers
  • Can 1-9 be solved please ANSWER FAST!!!
    5·1 answer
  • Use the FOIL method to evaluate the expression
    8·1 answer
  • Liz got home from school at 4:33. She decided to bake muffins as an after-school snack. It took Liz 55 minutes to prepare and ba
    7·1 answer
  • Please help me with this
    12·1 answer
  • What is the standard form of twenty-one and six hundred thirty-four thousandths
    7·1 answer
  • During April it was recorded that there were 19 days when it rained, mostly cloudy on 6 days and sunny on 5 days inference in th
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!