Linear Equations

What does the "b" stand for in y=mx+b?

• slope
• x-intercept
• y-intercept

What is the slope of the line passing through the points (3,5) and (-1,7)?

• -1/2
• -1
• -2
• 1/2

What is the equation for the line that passes through the points (4,2) and (0,6)?

• y = x + 6
• y = -2x + 2
• y = -x - 6
• y = -x + 6

What letter represents the slope of a line in the equation y = mx + b?

• y
• m
• x
• b

Give the equation for the graph

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

What is the y-intercept of this graph?

• (0,1)
• (0,-2)
• (0,0)
• (0,3)

Write a linear equation in slope-intercept form give the point and slope. (-6, -11); slope = 1/2 

•  $y+6=\frac{1}{2}\left(x+6\right)$  

•  $x-2y=16$  

•  $y=\frac{1}{2}x-8$  

•  $y=\frac{1}{2}x-11$  

Write a line equation in standard form given the point and slope: (3, -8); slope = -3

• $3x+y=1$

• $y=-3x+9$

• $y+8=-3\left(x-3\right)$

• $y=-3x+1$

Write an equation in slope-intercept form given the point and slope: (-4, -7); slope = 1

• $y+7=x+4$

• $y=x-3$

• $y=x-7$

• $x-y=3$

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5   y-intercept:  (0,3) 
• slope: 3/2   y-intercept:  (0,3) 
• slope:  4  y-intercept:  (0,3/2)
• slope: 1/5   y-intercept:  (0,5)