Unit 5 Review

Find the slope

Which equation matches the table?

• f(x) = x + 5

• f(x) = 5x

• f(x) = x - 5

• f(y) = y - 5

Which equation matches the table?

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

The amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

• $2

• $308

• $1.57

• $265

Slopes of parallel lines are...

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

Slopes of perpendicular lines are...

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

Find the slope of a line parallel to the line below.
y = 2x + 4

• 2
• -1/2
• 1/2
• -2

Find the slope of a line perpendicular to the line below.
y = 2x + 4

• 2
• -1/2
• 1/2
• -2

• The more you miss school the higher your grade will be.

• The more days that you are absent the lower your grade will be.

• There is no correlation between days absent and your grade.

What type of association does this graph have?

• positive 
• negative
• none
• all of the above