Use a graphing calculator to graph each equation in the standard viewing window. y = 3x + 4

Describe the graph of each equation as a circle, a point, or nonexistent. If it is a circle, give the center and radius. If it is a point, give the coordinates. x²+y²+2x-6y+14=0

Give a rule for each piecewise-defined function. Also give the domain and range.

Describe the graph of each equation as a circle, a point, or nonexistent. If it is a circle, give the center and radius. If it is a point, give the coordinates. x²+y²+4x-8y+32=0

Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5. x=y⁴

Use a graphing calculator to graph each equation in the standard viewing window. 3x + 4y = 6

Find the coordinates of the other endpoint of each line segment, given its midpoint and one endpoint. See Example 5(b).

midpoint $(12,6)$, endpoint $(19,16)$

Give a rule for each piecewise-defined function. Also give the domain and range.

Find the slope and y-intercept of each line, and graph it. 4x-y =7

Describe the graph of each equation as a circle, a point, or nonexistent. If it is a circle, give the center and radius. If it is a point, give the coordinates. x²+y²+4x+4y+8=0

Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5. y=-6x+4

Find the coordinates of the other endpoint of each line segment, given its midpoint and one endpoint. See Example 5(b). midpoint (-9, 8), endpoint (-16, 9)

Use a graphing calculator to graph each equation in the standard viewing window. -2x + 5y = 10

Graph each equation. 2x +5y = 20

Give a rule for each piecewise-defined function. Also give the domain and range.

Describe the graph of each equation as a circle, a point, or nonexistent. If it is a circle, give the center and radius. If it is a point, give the coordinates. x²+y²-2x+12y-12=0

If a walkway rises 2.5 ft for every 10 ft on the horizontal, which of the following express its slope (or grade)? <Image>

A. 0.25, B. 4, C. 2.5/10, D. 25%, E. 1/4, F. 10/2.5, G. 400%, H. 2.5% 

Find the slope and y-intercept of each line, and graph it. 4y = -3x

Plot each point, and then plot the points that are symmetric to the given point with respect to the (a) x-axis, (b) y-axis, and (c) origin. (5, -3)

Graph each equation. 3y = x

Determine whether each relation defines y as a function of x. Give the domain and range. x-y<4

Find the coordinates of the other endpoint of each line segment, given its midpoint and one endpoint. See Example 5(b).

midpoint $(6a,6b)$, endpoint $(3a,5b)$

Describe the graph of each equation as a circle, a point, or nonexistent. If it is a circle, give the center and radius. If it is a point, give the coordinates. x²+y²+4x+14y=-54

Find the slope and y-intercept of each line, and graph it. x+2y = -4

Plot each point, and then plot the points that are symmetric to the given point with respect to the (a) x-axis, (b) y-axis, and (c) origin. (-4, -2)

Find the slope of the line satisfying the given conditions. through (2, -1) and (-3, -3)

Give a rule for each piecewise-defined function. Also give the domain and range.

Graph each equation. ƒ(x) = x

Find the slope of the line satisfying the given conditions. through (-3, 4) and (2, -8)

Determine whether each relation defines y as a function of x. Give the domain and range. y=-√x