Solving Systems of Linear Inequalities — Unit test Answers

Which statement describes the system of equations?

Which ordered pair is in the solution set of the system of linear inequalities?y > x – 1y < x – 1

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

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

Which statement describes the solution to the system of 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?

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

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 statement correctly explains how Andre could find the solution to the following system of linear equations using elimination?

On a coordinate plane, 2 straight lines are shown. The first solid line has a negative slope and goes through (negative 2, 3) and (0, negative 1). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 2) and (1, 0). Everything to the right of the line is shaded.

On a coordinate plane, 2 straight lines are shown. The first solid line has a positive slope and goes through (0, negative 2) and (2, 0). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 2) and (4, 0). Everything below and to the left of the line is shaded.

Which ordered pair (a, b) is the solution to the following system of equations?

What is the solution to the following system?

Which ordered pair makes both inequalities true?y –x + 4

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?

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?

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

What is the solution to the system of equations?