Linear Functions Quiz

At the beginning of the summer, Jenna had saved $141.  To earn money of the summer, she is working part time at the local community center.  She will earn $32 per day of work.  If x represents the number of days she works, which of the following equations represents how much money she will have, including her savings?

• y-intercept
• independent variable

• dependent variable

• slope

Give the equation for the graph

What is the y-intercept of the line graphed below?

What type of slope does the following graph have?

• Postive
• Negative
• Zero Slope
• Undefined

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Which graph represents $y=-\frac{3}{2}x+4$  

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Find the slope.

What is the slope in the picture?

• Positive
• Negative
• Zero
• Undefined

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?