Unit 5 Practice

Slopes of parallel lines are...

• opposite reciprocals.
• opposites.
• the same.
• always 7.

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

What is the slope of a line perpendicular to 5?

• 5

• 1/5

• -1/5

• -5

Are these lines parallel?
y = 12x + 4
y = 12x +14

• YES
• NO

Are these lines perpendicular?
y = 4x + 2
y = (-1/4)x + 12

• YES
• NO

Find the midpoint of the line segment with the given endpoints (-2,-6) and (8,8)

• (-4,8)

• (18,22)

• (3,1)

• (-5,-7)

Find the other endpoint of the line segment with the given endpoint (1,-9) and midpoint (-9,3)

• (-19,15)

• (5,-6)

• (-4,-3)

• (6,2)

Find the distance between ( 1, 3) and (5, 6) 

• 3
• 4
• 5
• 6

What is the opposite of squaring a number?

• divide
• multiply 
• fractions
• square root