Can someone check my answers please and if Im wrong please explain.
1) graph 4x^2+4y^2=64. what are the domain and range?
domain;all real numbers
range;-4<=4<=4
2) graph 4x^2+y^2=9. what are its lines of symmetry?
it has two lines of symmetry, the x axis and the y axis
3) graph -3x^2+12y^2=84. what are the domain and range?
domain; all real numbers
range; {y[y<=-sqrt7 or y>= sqrt7}
4) identify the center and intercepts of the conic section. then find the domain and range.
the center of the circle is (0,0)
the x intercepts are (6,0) and (-6,0)
the y intercepts are (0,6) and (0,-6)
the domain is {x[-6<=x<=6}
the range is {y[-6<=y<=6}
5) write an equation of a parabola with a vertex at the origin and a directrix at y=5.
y=-1/20x^2
6) what are the focus and the directrix of the graph of x=1/24y^2?
focus(6,0)
directrix x=-6
years late to the party but all of them are right except for the first!! for anyone else taking the unit 5 lesson 3 circles quiz, here are the rest of the answers too
1. graph 4x^2+4y^2=64. what are the domain and range?
A. domain: -4 <= x <= 4, range: -4 <= y <= 4
7. in a factory, a parabolic mirror to be used in a searchlight was placed on the floor....
A. y = -2/81x^2 + 50
8. what are the vertex, focus, and directrix of the parabola within the given equation?
D. vertex: (4,-5); focus: (4,2); directrix: y= -12
9. write an equation of a circle with the given circle and radius, center (-7,-6) and radius 2
A. (x+7)^2 + (y+6)^2 = 4
10. write an equation for the translation of x^2 +y^2 = 49 by 3 units left and 4 units up
B. (x+3)^2 + (y-4)^2 = 49
11. write an equation in standard form for the circle
C. (x-3)^2 + (y-5)^2 = 64
12. what is in the center and radius of the circle with the given equation? (x-1)^2 + (y-1)^2 = 4
D. center (1,-1); radius 2
13. what is the graph of the equation? (x+8)^2 + (y-1)^2 = 9
B. the circle is on the left side of the graph, near the -8 on the horizontal line. look closely, one is placed slightly higher on the graph than the other.
hope someone out there is saved an extra 10 minutes or so by this
Thank u strawberry !
in other words
A
B
A
C
C
B
A
D
A
B
C
D
B
(Just taken)
oh YUH we all cheating 2020
2021 ANSWERS
1) A.
domain -4<_x<_4
range -4<_x<_4
2)B
it has two lines of symmetry, the x-axis and the y-axis
3)A
domain all real numbers
range {y|y<_-sqrt7 or y>_sqrt7}
4) C)
the center of the circle is (0,0)
x intercepts are (6,0) and (-6,0)
y intercepts (0,6) and (0,-6)
5) C
y=1/20 x^2
6) B
focus (6,0) directrix x=-6
7)A
y=-2/81x^2+50
8) D
vertex (4,-5) focus (4,2) directrix y=-12
9) A
(x+7)^2+(y+6)^2=4
10)B
(x+3)^2+(y-4)^2=49
11) C
(x-3)^2+(y-5)^2=64
12) D
center (1,-1) radius 2
13) B
1 A
2 B
3 A
4 C
5 C
6 B
7 A
8 D
9 A
10 B
11 C
12 D
13 B
100 % lesson 3 quiz connexus
A
B
A
C
C
B
A
D
A
B
C
D
B
Still correct for Unit 7 Lesson 3 !
thank you so much omg I’ve never found an algebra answer this easy before you are loved by all online school kids 🥺
Yo thanks for all the answers man
^ for U5 L3 connexus (circles)
Thanks guys to everyone who posts answers online for school
thanks.. been stressed about keeping a grade above D lol, just tryna pass.
thanks strawberry but mine had said unit 7 lesson 3
anyone got the answers for part 2 of the quiz? im dyin here
Thanks for this, guys! Remember, it's not cheating unless you're caught.
i was caught once... but still be cheatin'
100%! thanks strawberry
yall the awesome, thank you all
i literally love yall so much id be failing without u guys LMFAOOOO tysm
peanut allergy gets he!!a b!ches
Still 100% correct as of 10 March 2021
Peanut Allergy 100% right! Thanks y'all!
All is correct and this boi above is speakin facts
Yes Drilla is right. I used dingdong's answers and got a 5/12, I should have keep scrolling cause I would have gotten a 100 with Drilla's answers. :(
yoo thank you strawberry! Ur a lifesaver bruh
Peanut Allergy 100% correct!!!! Thank You!!!!!!!!!😇
peanut allergy is 100% correct tysm!!
Thank you so much for writing the full answers instead of the letters.
Still right as of March 30th, 2022 :)
Thank you, guys!
!!! NEW ANSWERS UPDATE !!!
5 / 7 / 2021
Circle Quiz part 1 - Connexus
1 A
2 B
3 A
4 C
5 C
6 C
7 D
8 A
9 B
10 B
11 C
12 B
100%
Winter 2022 Answers for 12-question test;
1) A.
domain -4<_x<_4
range -4<_x<_4
2)B
it has two lines of symmetry, the x-axis and the y-axis
3)A
domain all real numbers
range {y|y<_-sqrt7 or y>_sqrt7}
4) C)
the center of the circle is (0,0)
x intercepts are (6,0) and (-6,0)
y intercepts (0,6) and (0,-6)
5) C
y=1/20 x^2
6) B
focus (6,0) directrix x=-6
7)A
y=-2/81x^2+50
8) D
vertex (4,-5) focus (4,2) directrix y=-12
9) A
(x+7)^2+(y+6)^2=4
10)B
(x+3)^2+(y-4)^2=49
11) C
(x-3)^2+(y-5)^2=64
12) Graph B
Thanks peanut allergy and everyone else who gave the same answers <3 for texas connexus the answers work
Peanut allergy is right April 19th 2022
This is for Honors Algebra, Unit 5 Lesson 3 Part 1 of the quiz as of 2023
1)A
2)B
3)A
4)C
5)C
6)B
7)A
8)D
9)A
10)B
11)C
12)B
i got 100% ty
Algebra II B: Unit 5, Lesson 3: Circles Quiz Part 1 (Pearson Connexus) 100%:
1. Graph 4x2 + 4y2 = 64. What are the domain and range?
A. Domain: –4 ≤ x ≤ 4
Range: –4 ≤ y ≤ 4
2. Graph 4x^2 + y^2 = 9. What are its lines of symmetry?
B. It has two lines of symmetry, the x-axis and the y-axis
3. Graph –3x^2 + 12y^2 = 84. What are the domain and range?
A. Domain: all real numbers
Range: {y | y ≤ –SqRt7 or y ≥ SqRt7}6
4. Identify the center and intercepts of the conic section. Then find the domain and range.
C. The center of the circle is (0, 0).
The x-intercepts are (6, 0) and (–6, 0).
The y-intercepts are (0, 6) and (0, –6).
The domain is {x | –6 ≤ x ≤ 6}.
The range is {y | –6 ≤ y ≤ 6}.
5. Write an equation of a parabola with a vertex at the origin and a directrix at y = 5.
C. y = –1/20x^2
6. What are the focus and the directrix of the graph of x = 1/24y^2?
B. focus (6, 0), directrix x = –6
7. In a factory, a parabolic mirror to be used in a searchlight was placed on the floor. It measured 50 centimeters tall and 90 centimeters wide. Find the equation of the parabola.
A.) y = –2/81x^2 + 50
8. What are the vertex, focus, and directrix of the parabola with the given equation?
y = 1/28 (x-4)^2 - 5
D. vertex: (4, -5); focus: (4, 2); directrix: y = -12
9. Write an equation of a circle with the given center and radius.
center (–7, –6) and radius 2
A. (x + 7)^2 + (y + 6)^2 = 4
10. Write an equation for the translation of x^2 + y^2 = 49 by 3 units left and 4 units up.
B. (x + 3)^2 + (y – 4)^2 = 49
11. Write an equation in standard form for the circle.
C. (x – 3)^2 + (y – 5)^2 = 64
12. What is the center and radius of the circle with the given equation?
(x – 1)^2 + (y + 1)^2 = 4
D. center (1, –1); radius 2
13. What is the graph of the equation?
(x + 8)^2 + (y – 1)^2 = 9
B. Graph B
thanks, strawberry, the answers are one hundo percent correct!
Peanut allergy is still correct!!
Some of the answers are wrong now, the correct answers are now
1. A
2. B
3. A
4. C
5. C
6. C.
7. D
8. A
9. B
10. C
11. D
12. B
The answer to part 2, question 1 is x^2+2x = 3x+20.
The answer to part 2, question 2 is (x-h)^2+ (y-k)^2 = a^2
Good luck to anyone who needs these answers in the future, and especially those who need them now. Do remember that you do need to know this information, study those questions that don't make sense to you now. You may need this info on the state tests, your final, etc. So don't just rely on brainly, LLC, quizlet, whatever sites you use, make sure to learn the material as well.
Thank you for providing an updated set of answers for the Honors Algebra quiz, and for emphasizing the importance of actually knowing and understanding the material. It is always best to learn the concepts and be able to apply them, rather than simply relying on memorization of answers.
Thank you, bot, you are very kind.
You're welcome! It's my pleasure to assist and provide helpful information.
theres a part two
Tysm Peanut Allergy 100% correct ily!
Peanut Allergy is still correct
Thank you peanut allergy your correct!
Anonymous is 100% correct, thank you!
What about pt 2 ??☹😭😭😭😂
Just know all of you are hot for this info and you all deserve the best head
Still good for 2023!!!🎶
For Honors Algebra quiz part 1
the people that are right is Anonymous and Help a guy.