5 Linear Functions

for y - 1 = 2 - x the slope is

• negative slope

• positive slope

• undefined slope

• 0 slope

for -x = 0 the slope is

• negative slope

• positive slope

• undefined slope

• 0 slope

for x + y = 0 the slope is

• negative slope

• positive slope

• undefined slope

• 0 slope

for y = 4x - 3 the slope is

• negative slope

• positive slope

• undefined slope

• 0 slope

for y = 1 the slope is

• negative slope

• positive slope

• undefined slope

• 0 slope

for x = 10 the slope is

• negative slope

• positive slope

• undefined slope

• 0 slope

Write an equation in slope-intercept form of the line.

• y = x + 3

• y = -3

• y = -3x + 1

• y = x - 3

Write an equation in slope-intercept form of the line.

• y = - 7x

• y = 2x + 7

• y = 2x - 7

• y = - 7x + 2

Write an equation in point-slope form of the line through the given point and with the given slope.

(2, −5); m = 0

• y + 5 = x − 2

• y − 5 = 0

• x = 2

• y + 5 = 0

Write an equation in point-slope form of the line through the point (−1, 2) and with slope m = 2.

• y − 2 = 2(x − 1)

• y + 2 = 2(x − 1)

• y + 2 = 2(x + 1)

• y − 2 = 2(x + 1)