3.7 Quiz Equations of lines

In the slope intercept form of a line given as y = mx + b, the m represents the ​ (a)  

and b represents the​ (b)   .

• slope
• y-intercept
• x-intercept
• any point on the line
• quadrant

What is the slope of the line given by the equation y = -20 + 8x?

(a)  

What is the slope of the line that passes through M(1, 8), and N(-3, 2)?

• 3/2

• 5/7

• -3/2

• -5/7

What is the slope of the line?

• 3

• -3

• -1/3

• 1/3

Match the type of slope that is pictured in each graph.

Positive, negative, zero, or undefined (no slope)

• Zero Slope

• 
• Positive Slope

• 
• Undefined Slope

• 
• Negative Slope

• 

Write the equation of the line in point slope form that has a slope of 6 and contains (3, 5).

• y-3 = 6(x-5)

• y+3=6(x+5)

• y+5=6(x+3)

• y-5=6(x-3)

Use the slope formula to determine a y coordinate point of B that results in a

slope that is zero

A (2,4) B (5, ?)

• 2

• 5

• 4

• 8

Which of the following two points would produce a slope that is undefined?

• (9, 2) and (-3, 2)

• (4, -2) and (-4, 2)

• (-1, 0) and (0, 1)

• (5, 3) and (5, 7)

• y = 3x - 1

• y = 3x - 7

• y = 3x - 5

• y = 3x + 1

• 2
• 22
• -2
• -10