Unit 8 Review

Which situation can be represented by the equation y = 32x?

• A)  An employee earns a total of y dollars at a rate of $32 per hour, x.

• A)  An employee has completed a total of 32 projects, which includes the number of projects, completed last year, x, and the number of projects completed this year, y.

• A)  An employee worked 32 hours last week, which include the hours worked during the week, y, and the hours worked on the weekend, x.

• A)  An employee earns a total of $32 after working x number of hours at a rate of y dollars per hour.

Which statement describes the relationship between x and y in the two equations below?

Equation 1:  y = x + 8

Equation 2:  y = 8x

• In equation 1 and 2, the value of y is 8 more than the value of x.

• In equation 1, the value of y is 8 more than x and in equation 2 the value of y is 8 times the value of x.

• In equation 1 and 2, the value of y is 8 times the value of x.

• In equation 1, the value of x is 8 more than y, and in equation 2, the value of x is 8 times the value of y.

Four points are graphed on the coordinate grid. Which point is best represented by the ordered pair (3, –6)?

• A

• B

• C

• D

Write an equation that best represents the relationship between the levels passed and the points earned?

Which list shows the dependent quantities in the graph?

• A

• B

• C

• D

 6) Which situation can be represented by the equation y = 15x?

• Leah spent x dollars at the store. This was fifteen times the amount of money Ryan spent, y.

•   Leah spent y dollars at the store. This was fifteen dollars more than the amount Ryan spent, x.

•   Leah spent x dollars the store. This was fifteen dollars less than the amount Ryan spent, y.

• Leah spent y dollars at the store. This was fifteen times the amount of money Ryan spent, x.

What is the value of the y-coordinate of point B?

  Which equation represents the relationship between x and y?

A coordinate grid is shown. Which ordered pair describes a point that is located 6 units to the right of the  origin and 3 units below the x-axis?

• A

• B

• C

• D

A mechanic charges a set fee per hour of labor. Yesenia went to the mechanic for a car repair and was charged a labor fee of $540 for 4 hours of work.

Which table shows the relationship between the labor fee charged by the mechanic and the number of hours he spends on a repair?

Select ONE correct answer.

• A

• B

• C

• D