Alg 2 1.6-1.8

Write the equation of the line.

• y= -1x-3
• y= -3x-1
• y=(-1/3)x-1
• y= -3x-3

What is the equation of the line passing through points (1,1) and (3,-5).

• y = -3x + 4
• y = 3x - 4 
• y = -3x - 4 
• y = 3x + 4

Write the equation of a line through the point (6, -8) with a slope of 1/2. 

• y = 1/2 x - 8
• y = 1/2 x - 11
• y = 1/2 x + 6
• y = 1/2 x - 2

What is the equation of the line in slope-intercept that passes through (-1, -2) and has a slope of -3?

• y = -3x - 3
• y = -3x - 5
• x = -3y - 5
• y = -3x + 5

The point whose coordinates are (1, -1) lies on a line whose slope is -2.  Which of the following are the coordinates of another point on this line?

• (0,4)
• (-2,5)
• (2,-2)
• (5,1)

Write an equation of the line that is PARALLEL to the line y + 4x = 2 and has the same y-intercept as the line y + 5 = x + 2

• y = 4x-5
• y = -4x-3
• y = -2x+5
• y = -4x +5

Write an equation of the line that is PARALLEL to the line y + 2x = 3 and has the same y-intercept as the line y - 1 = x + 5

• y = 2x-5
• y = -2x-3
• y = -2x+6
• y = -4x +5

A line is perpendicular to    
y = 2x - 7.
What is the slope of this line? 

• -2
• 1/2
• -1/2
• 2

Which piecewise function corresponds to this graph? (Take your time)

• f(x) = { x  if x < 4;   -x+1  if x ≥ 4
• f(x) = { x  if x ≤ 4;  -x+1  if x > 4
• f(x) = { -x+1  if x < 4;  x  if x ≥ 4
• f(x) = { -x+1  if x ≤ 4;  x if x > 4

What is f(-2)?

• 4
• 1
• 1
• DNE