Test 7-- Comparing Key Features of Linear Equations

Organize these by Key Features

Groups:

(a) y=2x+6

,

(b) y= -x-2

,

(c) x=4

• Slope= -1/1

• 
• Y-Int= NONE

• 
• Slope= Und.

• X-Int= 4

• Slope= 2/1

• X-Int = -2

• Y-Int= -2

• Y-Int= 6

• 
• X-Int = -3

Find the difference in X-INTERCEPTS

(How far apart are they)

Write the equation of the line that contains the points

Mathematical Equivalence

ON

• I only

• II only

• I and II

• Neither

What is the difference in Y-Intercepts

Mathematical Equivalence

ON

• a

• b

• c

• d

Which of these points ARE on the line formed by the equation y=6.5x+17.5

(There can be more that one)

• (-8, -34.5)

• (6, 56.5)

• (12, 108.5)

• (54, 398.5)

• (-2,-2)

• (-4,-4)

• (2,2)

• (6,6)

Write the equation of the line that contains the points (8,11) and (4,8)