MAth10

MAth10

8th Grade

8 Qs

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MAth10

MAth10

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Jhunell Molina

Used 1+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which equation represents an equation of a circle in the standard form?

𝑥 + 𝑦 = 7

𝑥 + 𝑦 ^2 = 8

𝑥 ^2 + 4x + 2 = 0

𝑥^ 2 + 𝑦 ^2 = 25

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following represents an equation of a circle in the general form?

𝑥 ^2 + 2𝑥 − 4𝑦 + 5 = 0

𝑥 ^2 + 2𝑥 − 4𝑦 + 5 = 0

𝑥 ^2 + 𝑦 ^2 + 4x − 4y − 28 = 0

none of these

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A circle defined by 𝑥 ^2 + 𝑦^ 2 = 9 has a graph whose center is at ___________.

origin

quadrant I

quadrant II

quadrant III

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A circle with an equation defined by (𝑥 − 5) ^2 + (𝑦 + 3) ^2 = 9 has a graph whose center is located at ___________.

quadrant I

quadrant II

quadrant III

quadrant IV

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the center of the circle defined by (𝑥 + 5)^2 + (𝑦 + 3)^2 = 36?

(5,3)

(−5,3)

(−5, −3)

(5, −3)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the equation of the circle whose center is at (0,5) and has a radius of 5?

𝑥 ^2 + (𝑦 − 5) ^2 = 25

𝑥 ^2 + 𝑦 ^2 = 25

𝑥 ^2 + (𝑦 − 5) ^2 = 5

(𝑥 − 5) ^2 + 𝑦 ^2 = 25

7.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

What is the general form of the equation of a circle whose center is at (3,3) and the radius is 4?

𝑥 ^2 + 𝑦 ^2 − 6𝑥 - 6𝑦 + 2 = 0

𝑥 ^2 + 𝑦 ^2 − 10𝑥 + 10𝑦 + 16 = 0

𝑥 ^2 + 𝑦 ^2 − 6𝑥 − 7 = 0

𝑥 ^2 + 𝑦 ^2 − 6𝑥 + 7 = 0

8.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Write this in general form, (𝑥 + 2) ^2 + (𝑦 − 2) ^2 = 36

𝑥 ^2 - 𝑦^ 2 + 4𝑥 − 4𝑦 − 28 = 0

𝑥 ^2 + 𝑦^ 2 + 4𝑥 − 4𝑦 + 28 = 0

𝑥 ^2 + 𝑦^ 2 + 4𝑥 − 4𝑦 − 28 = 0

𝑥 ^2 + 𝑦^ 2 - 4𝑥 − 4𝑦 − 28 = 0