Alg MVP #1 Review

A tree is currently 𝟐 feet tall and grows 𝟏.𝟑 feet per year. Which inequality represents the time, in 𝒙 years, when the tree will have a height of at least 𝟐𝟎 feet?

A couple drives to a gas station from a movie theater at a constant rate. The graph shows the number of miles remaining, 𝒚, after 𝒙 minutes of driving.

Which equation best represents the graph?

The couple stops at the gas station to purchase a bottle of engine oil and 𝒈 gallons of gas. The bottle of engine oil costs $𝟕.𝟓𝟎, and gas costs $𝟐.𝟔𝟒 per gallon.

Which equation represents the total cost, 𝑻, the couple spends at the gas station based on the number of gallons of gas purchased?

A garden store sells potted plants and shrubs.

A softball coach is purchasing equipment for the team at a sporting goods store. Each softball glove costs $𝟑𝟎, and each batting helmet costs $𝟐𝟓. The coach spends at most $𝟔𝟎𝟎.

Which inequality represents all the possible combinations of 𝒈, the number of gloves, and 𝒉, the number of helmets, the coach can purchase?

The weight of a chimpanzee, 𝒚, in pounds, 𝒙 months after birth is modeled by the equation 𝒚=𝟏.𝟓𝒙+𝟖.

Which represents the equation when solved for 𝒙?

Mathematical Equivalence

ON

Consider the ceramic tile in the shape of a regular pentagon, where each side measures (𝟐𝒙-𝟔)inches.

If the perimeter of the ceramic tile, 𝑷, in inches, is represented by the equation 𝑷=𝟓(𝟐𝒙-𝟔), which represents the equation when solved for 𝒙?

• Both students solve the equation correctly, and each makes no mistakes.

• Both students solve the equation incorrectly, and each makes mistakes

• Only Student 1 solves the equation correctly, while Student 2 solves the equation incorrectly.

• Only Student 2 solves the equation correctly, while Student 1 solves the equation incorrectly.

Mathematical Equivalence

ON

Consider the graph of a linear equation.

Which two statements are true?

A student uses a tablet to stream a math video. The table represents the percent of battery remaining after 𝒏 minutes of streaming.

Which function best represents the situation?