Writing equations from points and slope

Which variable represents y-intercept in the linear equation y=mx+b?

• y
• x
• m
• b

Which variable represents slope in the linear equation y=mx+b?

• y
• x
• m
• b

What is the slope of this equation? 
y = 3x - 4 

• 3
• -4
• 3x
• 4

What is the y-intercept of this equation? 
y = 5x + 8 

• (0, 5)
• (5, 0) 
• (0, 8) 
• (8, 0) 

What is the slope-intercept equation?

• y= - 2/3x + 3
• y=  2/3x - 3
• y= 2/4x + 3
• y= - 8x - 3

If a line passes through (0,-5) and has a slope of -8, what is the equation for the line?

• y = -5x - 8

• y = -8x + 5

• y = -8x - 5

• y = -8x

Which of the following is the equation of the line that has a slope of 3 and passes through the point (-1, 9)?

• y = -3x + 12

• y = 3x + 3

• y = 3x + 12

• y = 3x - 3

Write the equation of the line in Slope Intercept Form that passes through the point (–3, –5) and has slope m = –2

Use y = mx + b to find b, then plug in m and b to find the equation.

• y = -3x + 5

• y = -2x - 11

• y = -2x + 11

• y = -5x - 3

Write the equation of the line with slope -2 through the point (7, −1).

• y = −2x + 15

• y = −2x − 15

• y = −2x + 13

• y = −2x − 13

If a line passes through (0,8) and (2,6) what is the equation for the line?

• y = x + 8

• y = -x + 8

• y = 2x + 8

• y = 2x + 6