Quick Review for Unit 2 Test

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Which situation is discrete?

• the height of a plant

• the number of people at a store

• the weight of a baby

• the amount of water flowing into a lake

Find the equation of a line in slope-intercept form with a slope of -3 and a y-intercept of 8.

My car was worth $25,000 when I bought it. It depreciates by 5% each year. Which equation models the value of the car in t years?

• It has a positive slope and positive y-intercept

• It has a negative slope and positive y-intercept

• it has a positive slope and negative y-intercept

• It has a negative slope and negative y-intercept

Which equation matches the table?