Solving and Graphing Linear Equations

Which equation best represents the line on the graph?

• y= 1/2x

• y= -1/2x

• y = 2x

• y = -2x

Convert the standard form equation into slope-intercept form.
x + y = -1

• y = x - 1

• y = 27, 239, 430

• y = -1x

• y = -x - 1

Convert the standard form equation into slope-intercept form.
5x + y = -5

• y = -5x - 5

• y = ⅕x - 5

• x = ⅕

• y = 27, 239, 430

Convert the standard form equation into slope-intercept form.
x + 5y = -25

• y = -⅕x - 5

• y = -x - 5

• x = 20

• y = 27, 239, 430

What type of line is the equation x = 8 ?

• vertical

• horizontal

• neither

What type of line is the equation y = 10 ?

• vertical

• horizontal

• neither

What type of line has a slope of 0?

• vertical

• horizontal

• neither

What type of line has an undefined slope?

• vertical

• horizontal

• neither

What is the equation of the line graphed?

• y = 0

• y = 1

• y = 2

• x = 1

Which of the following would be graphed as a horizontal line?

• y = -4

• x = 7

• y = 3x-4

• None of the above