question

The center of a circle is located at C(-7,-4). The y-axis is tangent to the circle at (0,-4). Find the equation of the circle.

answer

D

question

What is the equation of the line that passes through (4, 2) and is parallel to 3x - 2y = -6?

answer

B

question

Given the parabola whose equation is y^2=-2/7x, find the focus and determine if the parabola opens left or right.

answer

A.

question

Triangle ABC has vertices of A(-8 ,8), B(6, 2), and C(-2, 1). Find the length of the median from angle C in triangle ABC.

answer

A.

question

A figure with vertical line symmetry is placed in the coordinate plane. Given that the points (1, 4) and (6, 4) are on the edges of the figure, which of the following points lies on the line of symmetry?

answer

C.
(3.5, 4)

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The equation of a line is y=1/4x-2. What is the equation of the line that is parallel to the first line and passes through (4, -2)?

answer

D.

question

What is the slope of a line that is perpendicular to 6x + 3y = -9?

answer

B.

question

Quadrilateral BCDE is a square. The coordinates of B are (0,3), and the coordinates of C are (3,5). Find the slopes of BC, CD,DE, and EB.

answer

D.

question

What is the best name for the figure with the following coordinates?
(4, 1), (1, 1), (3, -2), and (0, -2)

answer

D.
parallelogram

question

The endpoints of ON are located at O(1, 2) and N(3, 1). Using slope-intercept form, write the equation of line ON.

answer

B

question

The slope of a line in a blueprint must be 5/6

answer

A.
No, the rooftop does not meet the specifications, because the absolute value of the roof's slope is greater than the parameters.

question

Select the graph that represents the equation (x-2)^2+ (y+3)^2=6.25.

answer

C.

question

Two lines are parallel. The equation of the first line is y = -3x + 5. Which of the following cannot be the equation of the second line?

answer

B

question

Find the focus and directrix of the parabola with the equation y^2=18x.

answer

B.

question

A.
No, there are no perpendicular sides.

answer

A.
No, there are no perpendicular sides.