Solving Linear Systems Graphically — Unit test Answers

What is the solution to the system of equations?

A charity bingo game costs $2 per round and has a $13 entry fee for an adult. It costs $3 per round and a $10 entry fee for a child. For how many rounds of bingo are the costs the same for an adult and a child?

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

Mark is solving the following system.Step 1: He multiplies equation (1) by 7 and adds it to equation (3). Step 2: He multiplies equation (3) by 2 and adds it to equation (2). Which statement explains Mark’s mistake?

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

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?

What is the solution to the following 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?

Which statement describes the system of equations?

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

A small fair charges an admission fee for children and adults. The cost for admission is $3 per adult and $2 per child. On a certain day, total admission fees were $900, and 350 people attended the fair. How many children attended the fair that day?

What is the value of x in the solution to the system of linear equations?

Which equation can pair with x + 2y = 5 to create an inconsistent system?

What is the solution to the system graphed below?

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

Lucia tried to solve the system below. Lucia’s Work What error did Lucia make?

What is the solution to the system of equations graphed on the coordinate plane?

What is the solution to the following system of equations?

A store sells the basic model of a phone for $60 and the upgraded model for $200. It costs the store $10 to buy each basic model and $50 to buy each upgraded model from the phone company. On Tuesday, the store has $1,800 in sales for these two models, and it paid the phone company $400 to buy these phones. How many upgraded models did the store sell on Tuesday?