Unit Test — Unit test Answers

Michael is paid $9 per hour to work at the movie theater and $7 per hour when he helps his aunt at her bakery. Michael cannot work more than 32 hours in a week, but he wishes to earn at least $251 each week. Which weekly work schedule is within Michael’s constraints?

In their last basketball game, Becky scored twice as many points as Min. Together, they scored 42 points. How many points did Becky score?

Which ordered pair (c, d) is the solution to the given system of linear equations?

Arianna is buying plants for her garden. She buys 15 flowering plants for $96. Pink flowering plants sell for $8, and purple flowering plants sell for $5. How many pink flowering plants did Arianna buy?

Solve the system of equations below by graphing. What is the solution rounded to the nearest hundredth?

Becca graphs the equations y = –3(x – 1) and y = x – 5 to solve the equation –3(x – 1) = x – 5. Her graph is shown below.What are the solution(s) of –3(x – 1) = x – 5?

Which statement describes the solution to the system of equations?

Mark is solving an equation where one side is a quadratic expression and the other side is a linear expression. He sets the expressions equal to y and graphs the equations. What is the greatest possible number of intersections for these graphs?

Consider the solution to the system of inequalities below.Which of the following functions could be added to the system without changing the solution set?

Which graph shows the solution to the following system of inequalities?

Given that the solution set to a system of three linear equations is a line, which of the following is true about the system?

A group of children, adults, and senior citizens attended three different art exhibits that have different ticket prices for each age group. Let c represent the number of children, a represent the number of adults, and s represent the number of senior citizens. The system represents the cost of each type of ticket and the total cost of the tickets for all three exhibits. What are the numbers of children, adults, and seniors citizens that attended these three exhibits?

Which region represents the solution to the given system of inequalities?

The vertex of a parabola that opens downward is at (0, 4). The vertex of a second parabola is at (0, –4). If the parabolas intersect at two points, which statement must be true?

Which system is equivalent to ?

What is the solution to the system of equations?

Which graph can be used to find the solution(s) to 4x = –4x?

Which statement about the following system of inequalities is true?

A tennis team has 24 members. There are twice as many girls as boys on the team. How many girls are on the tennis team?

Which equation can pair with x – y = –2 to create a consistent and dependent system?