Algebra 1 review so far

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

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26
• 3
• 58.5
• 2

Is this a direct variation?
y=2x

• yes
• no

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? 

• $394
• $440
• $472.80
• $512.20

Write an equation for this relationship.

• y=4x
• y=1/8x
• y=1/4x
• y=8x

Is this proportional?

• yes
• no

Write the equation for the table given.

• y = 1/3x
• y = 3x
• y = 1/2x

In the equation y=mx+b,
what does m represent?

• Nothing in particular
• The y-intercept
• The x-intercept
• Slope

Name the slope

• 3
• 1
• -1x
• -1

Name the y intercept

• 4
• -1
• 1
• -4