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
Talja [164]
3 years ago
10

A student worked out the following problem to find

Mathematics
1 answer:
polet [3.4K]3 years ago
7 0
We have that

y=x²<span>+3x-5
</span>y=4x+1

using a graph tool
see the attached figure

the solution are the points
(-2,-7)
(3,13)

<span>the solution obtained by the student
</span>(-2,0)
(3,0)<span>
is incorrect because the values ​​of the coordinate y are incorrect
</span>the values of x are correct
x1=-2
x2=3

<span>with those values ​​of x obtained, the student had to substitute it in any of the two equations to obtain the value of y
</span>so
for x=3
y=4x+1------> 4*(3)+1-----> y=13

for x=-2
y=4x+1------> 4*(-2)+1-----> y=-7

You might be interested in
In the linear equation y=3x-4, -4 represents the slope
damaskus [11]
3 (3/1) represents the slope and -4 is the y-intercept
4 0
3 years ago
SOMEONE PLEASE HELP!!!!!
blagie [28]

Answer:

on the first triangle it is equal, 1.5 on the left of it is half of 3 on the right triangle, 5 on the left is half of 10 on the right triangle. so the answer is 8 becuase each side on the left is 2 times the side on the right

Step-by-step explanation:

hope this helps

3 0
3 years ago
I dont know how to do math 10 factors
pav-90 [236]

Answer:

10= 1 , 2 , 5 and 10

Step-by-step explanation:

Those are the factors of 10

4 0
3 years ago
An 18 foot ladder is leaned against a wall if the base of the ladder is 8 feet from the wall how high up on the wall will the la
Aloiza [94]

Answer:

16.12ft

Step-by-step explanation:

Check attachment

4 0
3 years ago
4. This box plot shows the number of marks earned by the boys in a class test. What was the lower quartile? 5.This box plot show
suter [353]

Answer:

4-lower- 18

5-upper-29

6- range-56

Step-by-step explanation:

If you look up a completed box plot you can tell where lower and upper quartiles are. Range is found by Max-Min

Hope I helped...!

4 0
2 years ago
Other questions:
  • One baseball team played 40 games throughout their entire season. If this baseball team won 14 of those games, then what percent
    12·1 answer
  • PLEASE HELP QUICK!!!
    13·1 answer
  • (√16)2 in simplest form.
    13·1 answer
  • -4.5x (-2) I need this solved please:)
    13·1 answer
  • I need help in making a graph please help me<br><br> like this<br> image
    14·1 answer
  • length and breadth of a cuboid are 13 cm and 8 cm respectively if the volume of a cube it is 40 cm find the height of the cubiod
    7·1 answer
  • Use the graph of the polynomial function. What are the zeros
    14·1 answer
  • The community of Yontsville is having a town hall meeting to discuss the damage a recent storm did to their community. It is an
    5·1 answer
  • At Lincoln High​ School, 6 students are members of both the Chess Club and the Math Club. There are 20 students in the Math​ Clu
    12·1 answer
  • Helpppppppppppppppppppppppp
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!