Question 1

The intersection of a plane perpendicular to the cone's axis.

Accepted Answer

Circle

Answer

Parabola

Answer

Hyperbola

Answer

Ellipse

Question 2

What is the standard equation of a unit circle?

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 3

What is the general equation of a circle?

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 4

Determine the graph of $x^2+y^2+4x-6y+14=0$

Accepted Answer

Empty Set

Answer

Point

Answer

Line

Answer

Circle

Question 5

Determine the graph of $x^2+y^2+4x-6y+14=0$

Accepted Answer

Circle

Answer

Point

Answer

Empty Set

Answer

Undefined

Question 6

What is the center of the circle with an equation of $x^2+y^2+4x-6y+14=0$ ?

Accepted Answer

(-7,0)

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 7

Write the equation of a circle in standard form with a center at (2,3) and tangent to the y-axis.

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 8

What does the equation of $x^2+y^2+4x-6y+14=0$ represent?

Accepted Answer

Ellipse

Answer

Point

Answer

Circle

Answer

Empty Set

Answer

Rotated Circle

Question 9

What is the radius of a circle with the general equation of $x^2+y^2+4x-6y+14=0$

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 10

Write the standard equation of a circle concentric with $x^2+y^2+4x-6y+14=0$ and has the same circumference as $x^2+14x+y^2+10y+62=0$

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 11

Write the equation of a circle with the endpoints of its diameter is located at (3, -2) and (3, 8)

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 12

Find the values of k so that the graph of the equation $x^2+y^2+4x-6y+14=0$ is a circle.

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 13

Find the values of k such that the the graph of the equation $x^2+y^2+4x-6y+14=0$ is an empty set

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Question 14

A street with two lanes, each 10 ft wide, goes through a semicircular tunnel with radius of 12 ft. How high is the tunnel at the edge of each lane? Estimate the answer

Accepted Answer

6.63 ft

Answer

9.84 ft

Answer

5.52 ft

Answer

7.22 ft

Answer

10.2 ft

Question 15

Jomer is building a circular fountain and a concrete walkway around it. The landscape architect gave him a drawing of the design including the equation of the circular fountain and the walkway, as shown in figure on the right with distances measured in meters. What is the area of the concrete walkway in square meters?

Accepted Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

Answer

$x^2+y^2=1$

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